Refactor tests data from custom format to PHP

FIX #14

tests/PhpSpreadsheet/Calculation/DateTimeTest.php

@@ -2,7 +2,6 @@
 
 namespace PhpSpreadsheet\Tests\Calculation;
 
-use PhpSpreadsheet\Tests\TestDataFileIterator;
 use PHPExcel\Shared\Date;
 use PHPExcel\Calculation\Functions;
 use PHPExcel\Calculation\DateTime;
@@ -32,7 +31,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerDATE()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/DATE.data');
+        return require 'data/Calculation/DateTime/DATE.php';
     }
 
     public function testDATEtoPHP()
@@ -85,7 +84,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerDATEVALUE()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/DATEVALUE.data');
+        return require 'data/Calculation/DateTime/DATEVALUE.php';
     }
 
     public function testDATEVALUEtoPHP()
@@ -122,7 +121,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerYEAR()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/YEAR.data');
+        return require 'data/Calculation/DateTime/YEAR.php';
     }
 
     /**
@@ -138,7 +137,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerMONTH()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/MONTH.data');
+        return require 'data/Calculation/DateTime/MONTH.php';
     }
 
     /**
@@ -157,7 +156,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerWEEKNUM()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/WEEKNUM.data');
+        return require 'data/Calculation/DateTime/WEEKNUM.php';
     }
 
     /**
@@ -176,7 +175,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerWEEKDAY()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/WEEKDAY.data');
+        return require 'data/Calculation/DateTime/WEEKDAY.php';
     }
 
     /**
@@ -192,7 +191,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerDAY()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/DAY.data');
+        return require 'data/Calculation/DateTime/DAY.php';
     }
 
     /**
@@ -208,7 +207,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerTIME()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/TIME.data');
+        return require 'data/Calculation/DateTime/TIME.php';
     }
 
     public function testTIMEtoPHP()
@@ -247,7 +246,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerTIMEVALUE()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/TIMEVALUE.data');
+        return require 'data/Calculation/DateTime/TIMEVALUE.php';
     }
 
     public function testTIMEVALUEtoPHP()
@@ -286,7 +285,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerHOUR()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/HOUR.data');
+        return require 'data/Calculation/DateTime/HOUR.php';
     }
 
     /**
@@ -304,7 +303,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerMINUTE()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/MINUTE.data');
+        return require 'data/Calculation/DateTime/MINUTE.php';
     }
 
     /**
@@ -322,7 +321,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerSECOND()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/SECOND.data');
+        return require 'data/Calculation/DateTime/SECOND.php';
     }
 
     /**
@@ -338,7 +337,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerNETWORKDAYS()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/NETWORKDAYS.data');
+        return require 'data/Calculation/DateTime/NETWORKDAYS.php';
     }
 
     /**
@@ -354,7 +353,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerWORKDAY()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/WORKDAY.data');
+        return require 'data/Calculation/DateTime/WORKDAY.php';
     }
 
     /**
@@ -370,7 +369,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerEDATE()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/EDATE.data');
+        return require 'data/Calculation/DateTime/EDATE.php';
     }
 
     public function testEDATEtoPHP()
@@ -407,7 +406,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerEOMONTH()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/EOMONTH.data');
+        return require 'data/Calculation/DateTime/EOMONTH.php';
     }
 
     public function testEOMONTHtoPHP()
@@ -447,7 +446,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerDATEDIF()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/DATEDIF.data');
+        return require 'data/Calculation/DateTime/DATEDIF.php';
     }
 
     /**
@@ -463,7 +462,7 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerDAYS360()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/DAYS360.data');
+        return require 'data/Calculation/DateTime/DAYS360.php';
     }
 
     /**
@@ -482,6 +481,6 @@ class DateTimeTest extends \PHPUnit_Framework_TestCase
 
     public function providerYEARFRAC()
     {
-        return new TestDataFileIterator('rawTestData/Calculation/DateTime/YEARFRAC.data');
+        return require 'data/Calculation/DateTime/YEARFRAC.php';
     }
 }

tests/PhpSpreadsheet/Calculation/EngineeringTest.php

@@ -37,7 +37,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerBESSELI()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/BESSELI.data');
+        return require 'data/Calculation/Engineering/BESSELI.php';
     }
 
     /**
@@ -53,7 +53,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerBESSELJ()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/BESSELJ.data');
+        return require 'data/Calculation/Engineering/BESSELJ.php';
     }
 
     /**
@@ -69,7 +69,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerBESSELK()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/BESSELK.data');
+        return require 'data/Calculation/Engineering/BESSELK.php';
     }
 
     /**
@@ -85,7 +85,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerBESSELY()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/BESSELY.data');
+        return require 'data/Calculation/Engineering/BESSELY.php';
     }
 
     /**
@@ -101,7 +101,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerCOMPLEX()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/COMPLEX.data');
+        return require 'data/Calculation/Engineering/COMPLEX.php';
     }
 
     /**
@@ -117,7 +117,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMAGINARY()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMAGINARY.data');
+        return require 'data/Calculation/Engineering/IMAGINARY.php';
     }
 
     /**
@@ -133,7 +133,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMREAL()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMREAL.data');
+        return require 'data/Calculation/Engineering/IMREAL.php';
     }
 
     /**
@@ -149,7 +149,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMABS()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMABS.data');
+        return require 'data/Calculation/Engineering/IMABS.php';
     }
 
     /**
@@ -166,7 +166,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMARGUMENT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMARGUMENT.data');
+        return require 'data/Calculation/Engineering/IMARGUMENT.php';
     }
 
     /**
@@ -182,7 +182,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMCONJUGATE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMCONJUGATE.data');
+        return require 'data/Calculation/Engineering/IMCONJUGATE.php';
     }
 
     /**
@@ -198,7 +198,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMCOS()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMCOS.data');
+        return require 'data/Calculation/Engineering/IMCOS.php';
     }
 
     /**
@@ -217,7 +217,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMDIV()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMDIV.data');
+        return require 'data/Calculation/Engineering/IMDIV.php';
     }
 
     /**
@@ -233,7 +233,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMEXP()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMEXP.data');
+        return require 'data/Calculation/Engineering/IMEXP.php';
     }
 
     /**
@@ -249,7 +249,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMLN()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMLN.data');
+        return require 'data/Calculation/Engineering/IMLN.php';
     }
 
     /**
@@ -265,7 +265,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMLOG2()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMLOG2.data');
+        return require 'data/Calculation/Engineering/IMLOG2.php';
     }
 
     /**
@@ -281,7 +281,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMLOG10()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMLOG10.data');
+        return require 'data/Calculation/Engineering/IMLOG10.php';
     }
 
     /**
@@ -300,7 +300,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMPOWER()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMPOWER.data');
+        return require 'data/Calculation/Engineering/IMPOWER.php';
     }
 
     /**
@@ -316,7 +316,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMPRODUCT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMPRODUCT.data');
+        return require 'data/Calculation/Engineering/IMPRODUCT.php';
     }
 
     /**
@@ -332,7 +332,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMSIN()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMSIN.data');
+        return require 'data/Calculation/Engineering/IMSIN.php';
     }
 
     /**
@@ -348,7 +348,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMSQRT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMSQRT.data');
+        return require 'data/Calculation/Engineering/IMSQRT.php';
     }
 
     /**
@@ -367,7 +367,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMSUB()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMSUB.data');
+        return require 'data/Calculation/Engineering/IMSUB.php';
     }
 
     /**
@@ -384,7 +384,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerIMSUM()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/IMSUM.data');
+        return require 'data/Calculation/Engineering/IMSUM.php';
     }
 
     /**
@@ -400,7 +400,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerERF()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/ERF.data');
+        return require 'data/Calculation/Engineering/ERF.php';
     }
 
     /**
@@ -416,7 +416,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerERFC()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/ERFC.data');
+        return require 'data/Calculation/Engineering/ERFC.php';
     }
 
     /**
@@ -432,7 +432,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerBIN2DEC()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/BIN2DEC.data');
+        return require 'data/Calculation/Engineering/BIN2DEC.php';
     }
 
     /**
@@ -448,7 +448,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerBIN2HEX()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/BIN2HEX.data');
+        return require 'data/Calculation/Engineering/BIN2HEX.php';
     }
 
     /**
@@ -464,7 +464,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerBIN2OCT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/BIN2OCT.data');
+        return require 'data/Calculation/Engineering/BIN2OCT.php';
     }
 
     /**
@@ -480,7 +480,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerDEC2BIN()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/DEC2BIN.data');
+        return require 'data/Calculation/Engineering/DEC2BIN.php';
     }
 
     /**
@@ -496,7 +496,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerDEC2HEX()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/DEC2HEX.data');
+        return require 'data/Calculation/Engineering/DEC2HEX.php';
     }
 
     /**
@@ -512,7 +512,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerDEC2OCT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/DEC2OCT.data');
+        return require 'data/Calculation/Engineering/DEC2OCT.php';
     }
 
     /**
@@ -528,7 +528,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerHEX2BIN()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/HEX2BIN.data');
+        return require 'data/Calculation/Engineering/HEX2BIN.php';
     }
 
     /**
@@ -544,7 +544,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerHEX2DEC()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/HEX2DEC.data');
+        return require 'data/Calculation/Engineering/HEX2DEC.php';
     }
 
     /**
@@ -560,7 +560,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerHEX2OCT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/HEX2OCT.data');
+        return require 'data/Calculation/Engineering/HEX2OCT.php';
     }
 
     /**
@@ -576,7 +576,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerOCT2BIN()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/OCT2BIN.data');
+        return require 'data/Calculation/Engineering/OCT2BIN.php';
     }
 
     /**
@@ -592,7 +592,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerOCT2DEC()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/OCT2DEC.data');
+        return require 'data/Calculation/Engineering/OCT2DEC.php';
     }
 
     /**
@@ -608,7 +608,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerOCT2HEX()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/OCT2HEX.data');
+        return require 'data/Calculation/Engineering/OCT2HEX.php';
     }
 
     /**
@@ -624,7 +624,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerDELTA()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/DELTA.data');
+        return require 'data/Calculation/Engineering/DELTA.php';
     }
 
     /**
@@ -640,7 +640,7 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerGESTEP()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/GESTEP.data');
+        return require 'data/Calculation/Engineering/GESTEP.php';
     }
 
     public function testGetConversionGroups()
@@ -680,6 +680,6 @@ class EngineeringTest extends \PHPUnit_Framework_TestCase
 
     public function providerCONVERTUOM()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Engineering/CONVERTUOM.data');
+        return require 'data/Calculation/Engineering/CONVERTUOM.php';
     }
 }

tests/PhpSpreadsheet/Calculation/FinancialTest.php

@@ -27,7 +27,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerACCRINT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/ACCRINT.data');
+        return require 'data/Calculation/Financial/ACCRINT.php';
     }
 
     /**
@@ -43,7 +43,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerACCRINTM()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/ACCRINTM.data');
+        return require 'data/Calculation/Financial/ACCRINTM.php';
     }
 
     /**
@@ -59,7 +59,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerAMORDEGRC()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/AMORDEGRC.data');
+        return require 'data/Calculation/Financial/AMORDEGRC.php';
     }
 
     /**
@@ -75,7 +75,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerAMORLINC()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/AMORLINC.data');
+        return require 'data/Calculation/Financial/AMORLINC.php';
     }
 
     /**
@@ -91,7 +91,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerCOUPDAYBS()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/COUPDAYBS.data');
+        return require 'data/Calculation/Financial/COUPDAYBS.php';
     }
 
     /**
@@ -107,7 +107,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerCOUPDAYS()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/COUPDAYS.data');
+        return require 'data/Calculation/Financial/COUPDAYS.php';
     }
 
     /**
@@ -123,7 +123,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerCOUPDAYSNC()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/COUPDAYSNC.data');
+        return require 'data/Calculation/Financial/COUPDAYSNC.php';
     }
 
     /**
@@ -139,7 +139,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerCOUPNCD()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/COUPNCD.data');
+        return require 'data/Calculation/Financial/COUPNCD.php';
     }
 
     /**
@@ -155,7 +155,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerCOUPNUM()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/COUPNUM.data');
+        return require 'data/Calculation/Financial/COUPNUM.php';
     }
 
     /**
@@ -171,7 +171,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerCOUPPCD()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/COUPPCD.data');
+        return require 'data/Calculation/Financial/COUPPCD.php';
     }
 
     /**
@@ -187,7 +187,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerCUMIPMT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/CUMIPMT.data');
+        return require 'data/Calculation/Financial/CUMIPMT.php';
     }
 
     /**
@@ -203,7 +203,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerCUMPRINC()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/CUMPRINC.data');
+        return require 'data/Calculation/Financial/CUMPRINC.php';
     }
 
     /**
@@ -219,7 +219,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerDB()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/DB.data');
+        return require 'data/Calculation/Financial/DB.php';
     }
 
     /**
@@ -235,7 +235,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerDDB()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/DDB.data');
+        return require 'data/Calculation/Financial/DDB.php';
     }
 
     /**
@@ -251,7 +251,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerDISC()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/DISC.data');
+        return require 'data/Calculation/Financial/DISC.php';
     }
 
     /**
@@ -267,7 +267,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerDOLLARDE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/DOLLARDE.data');
+        return require 'data/Calculation/Financial/DOLLARDE.php';
     }
 
     /**
@@ -283,7 +283,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerDOLLARFR()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/DOLLARFR.data');
+        return require 'data/Calculation/Financial/DOLLARFR.php';
     }
 
     /**
@@ -299,7 +299,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerEFFECT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/EFFECT.data');
+        return require 'data/Calculation/Financial/EFFECT.php';
     }
 
     /**
@@ -315,7 +315,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerFV()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/FV.data');
+        return require 'data/Calculation/Financial/FV.php';
     }
 
     /**
@@ -331,7 +331,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerFVSCHEDULE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/FVSCHEDULE.data');
+        return require 'data/Calculation/Financial/FVSCHEDULE.php';
     }
 
     /**
@@ -347,7 +347,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerINTRATE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/INTRATE.data');
+        return require 'data/Calculation/Financial/INTRATE.php';
     }
 
     /**
@@ -363,7 +363,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerIPMT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/IPMT.data');
+        return require 'data/Calculation/Financial/IPMT.php';
     }
 
     /**
@@ -379,7 +379,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerIRR()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/IRR.data');
+        return require 'data/Calculation/Financial/IRR.php';
     }
 
     /**
@@ -395,7 +395,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerISPMT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/ISPMT.data');
+        return require 'data/Calculation/Financial/ISPMT.php';
     }
 
     /**
@@ -411,7 +411,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerMIRR()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/MIRR.data');
+        return require 'data/Calculation/Financial/MIRR.php';
     }
 
     /**
@@ -427,7 +427,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerNOMINAL()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/NOMINAL.data');
+        return require 'data/Calculation/Financial/NOMINAL.php';
     }
 
     /**
@@ -443,7 +443,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerNPER()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/NPER.data');
+        return require 'data/Calculation/Financial/NPER.php';
     }
 
     /**
@@ -459,7 +459,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerNPV()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/NPV.data');
+        return require 'data/Calculation/Financial/NPV.php';
     }
 
     /**
@@ -478,7 +478,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerPRICE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/PRICE.data');
+        return require 'data/Calculation/Financial/PRICE.php';
     }
 
     /**
@@ -497,7 +497,7 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerRATE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/RATE.data');
+        return require 'data/Calculation/Financial/RATE.php';
     }
 
     /**
@@ -516,6 +516,6 @@ class FinancialTest extends \PHPUnit_Framework_TestCase
 
     public function providerXIRR()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Financial/XIRR.data');
+        return require 'data/Calculation/Financial/XIRR.php';
     }
 }

tests/PhpSpreadsheet/Calculation/FunctionsTest.php

@@ -73,7 +73,7 @@ class FunctionsTest extends \PHPUnit_Framework_TestCase
 
     public function providerIsBlank()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Functions/IS_BLANK.data');
+        return require 'data/Calculation/Functions/IS_BLANK.php';
     }
 
     /**
@@ -89,7 +89,7 @@ class FunctionsTest extends \PHPUnit_Framework_TestCase
 
     public function providerIsErr()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Functions/IS_ERR.data');
+        return require 'data/Calculation/Functions/IS_ERR.php';
     }
 
     /**
@@ -105,7 +105,7 @@ class FunctionsTest extends \PHPUnit_Framework_TestCase
 
     public function providerIsError()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Functions/IS_ERROR.data');
+        return require 'data/Calculation/Functions/IS_ERROR.php';
     }
 
     /**
@@ -121,7 +121,7 @@ class FunctionsTest extends \PHPUnit_Framework_TestCase
 
     public function providerErrorType()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Functions/ERROR_TYPE.data');
+        return require 'data/Calculation/Functions/ERROR_TYPE.php';
     }
 
     /**
@@ -137,7 +137,7 @@ class FunctionsTest extends \PHPUnit_Framework_TestCase
 
     public function providerIsLogical()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Functions/IS_LOGICAL.data');
+        return require 'data/Calculation/Functions/IS_LOGICAL.php';
     }
 
     /**
@@ -153,7 +153,7 @@ class FunctionsTest extends \PHPUnit_Framework_TestCase
 
     public function providerIsNa()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Functions/IS_NA.data');
+        return require 'data/Calculation/Functions/IS_NA.php';
     }
 
     /**
@@ -169,7 +169,7 @@ class FunctionsTest extends \PHPUnit_Framework_TestCase
 
     public function providerIsNumber()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Functions/IS_NUMBER.data');
+        return require 'data/Calculation/Functions/IS_NUMBER.php';
     }
 
     /**
@@ -185,7 +185,7 @@ class FunctionsTest extends \PHPUnit_Framework_TestCase
 
     public function providerIsText()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Functions/IS_TEXT.data');
+        return require 'data/Calculation/Functions/IS_TEXT.php';
     }
 
     /**
@@ -201,7 +201,7 @@ class FunctionsTest extends \PHPUnit_Framework_TestCase
 
     public function providerIsNonText()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Functions/IS_NONTEXT.data');
+        return require 'data/Calculation/Functions/IS_NONTEXT.php';
     }
 
     /**
@@ -217,7 +217,7 @@ class FunctionsTest extends \PHPUnit_Framework_TestCase
 
     public function providerIsEven()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Functions/IS_EVEN.data');
+        return require 'data/Calculation/Functions/IS_EVEN.php';
     }
 
     /**
@@ -233,7 +233,7 @@ class FunctionsTest extends \PHPUnit_Framework_TestCase
 
     public function providerIsOdd()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Functions/IS_ODD.data');
+        return require 'data/Calculation/Functions/IS_ODD.php';
     }
 
     /**
@@ -249,7 +249,7 @@ class FunctionsTest extends \PHPUnit_Framework_TestCase
 
     public function providerTYPE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Functions/TYPE.data');
+        return require 'data/Calculation/Functions/TYPE.php';
     }
 
     /**
@@ -265,6 +265,6 @@ class FunctionsTest extends \PHPUnit_Framework_TestCase
 
     public function providerN()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Functions/N.data');
+        return require 'data/Calculation/Functions/N.php';
     }
 }

tests/PhpSpreadsheet/Calculation/LogicalTest.php

@@ -38,7 +38,7 @@ class LogicalTest extends \PHPUnit_Framework_TestCase
 
     public function providerAND()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Logical/AND.data');
+        return require 'data/Calculation/Logical/AND.php';
     }
 
     /**
@@ -54,7 +54,7 @@ class LogicalTest extends \PHPUnit_Framework_TestCase
 
     public function providerOR()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Logical/OR.data');
+        return require 'data/Calculation/Logical/OR.php';
     }
 
     /**
@@ -70,7 +70,7 @@ class LogicalTest extends \PHPUnit_Framework_TestCase
 
     public function providerNOT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Logical/NOT.data');
+        return require 'data/Calculation/Logical/NOT.php';
     }
 
     /**
@@ -86,7 +86,7 @@ class LogicalTest extends \PHPUnit_Framework_TestCase
 
     public function providerIF()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Logical/IF.data');
+        return require 'data/Calculation/Logical/IF.php';
     }
 
     /**
@@ -102,6 +102,6 @@ class LogicalTest extends \PHPUnit_Framework_TestCase
 
     public function providerIFERROR()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/Logical/IFERROR.data');
+        return require 'data/Calculation/Logical/IFERROR.php';
     }
 }

tests/PhpSpreadsheet/Calculation/LookupRefTest.php

@@ -31,7 +31,7 @@ class LookupRefTest extends \PHPUnit_Framework_TestCase
 
     public function providerHLOOKUP()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/LookupRef/HLOOKUP.data');
+        return require 'data/Calculation/LookupRef/HLOOKUP.php';
     }
 
     /**
@@ -48,6 +48,6 @@ class LookupRefTest extends \PHPUnit_Framework_TestCase
 
     public function providerVLOOKUP()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/LookupRef/VLOOKUP.data');
+        return require 'data/Calculation/LookupRef/VLOOKUP.php';
     }
 }

tests/PhpSpreadsheet/Calculation/MathTrigTest.php

@@ -27,7 +27,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerATAN2()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/ATAN2.data');
+        return require 'data/Calculation/MathTrig/ATAN2.php';
     }
 
     /**
@@ -43,7 +43,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerCEILING()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/CEILING.data');
+        return require 'data/Calculation/MathTrig/CEILING.php';
     }
 
     /**
@@ -59,7 +59,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerCOMBIN()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/COMBIN.data');
+        return require 'data/Calculation/MathTrig/COMBIN.php';
     }
 
     /**
@@ -75,7 +75,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerEVEN()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/EVEN.data');
+        return require 'data/Calculation/MathTrig/EVEN.php';
     }
 
     /**
@@ -91,7 +91,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerODD()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/ODD.data');
+        return require 'data/Calculation/MathTrig/ODD.php';
     }
 
     /**
@@ -107,7 +107,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerFACT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/FACT.data');
+        return require 'data/Calculation/MathTrig/FACT.php';
     }
 
     /**
@@ -123,7 +123,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerFACTDOUBLE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/FACTDOUBLE.data');
+        return require 'data/Calculation/MathTrig/FACTDOUBLE.php';
     }
 
     /**
@@ -139,7 +139,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerFLOOR()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/FLOOR.data');
+        return require 'data/Calculation/MathTrig/FLOOR.php';
     }
 
     /**
@@ -155,7 +155,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerGCD()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/GCD.data');
+        return require 'data/Calculation/MathTrig/GCD.php';
     }
 
     /**
@@ -171,7 +171,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerLCM()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/LCM.data');
+        return require 'data/Calculation/MathTrig/LCM.php';
     }
 
     /**
@@ -187,7 +187,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerINT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/INT.data');
+        return require 'data/Calculation/MathTrig/INT.php';
     }
 
     /**
@@ -203,7 +203,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerSIGN()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/SIGN.data');
+        return require 'data/Calculation/MathTrig/SIGN.php';
     }
 
     /**
@@ -219,7 +219,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerPOWER()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/POWER.data');
+        return require 'data/Calculation/MathTrig/POWER.php';
     }
 
     /**
@@ -235,7 +235,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerLOG()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/LOG.data');
+        return require 'data/Calculation/MathTrig/LOG.php';
     }
 
     /**
@@ -251,7 +251,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerMOD()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/MOD.data');
+        return require 'data/Calculation/MathTrig/MOD.php';
     }
 
     /**
@@ -270,7 +270,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerMDETERM()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/MDETERM.data');
+        return require 'data/Calculation/MathTrig/MDETERM.php';
     }
 
     /**
@@ -289,7 +289,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerMINVERSE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/MINVERSE.data');
+        return require 'data/Calculation/MathTrig/MINVERSE.php';
     }
 
     /**
@@ -308,7 +308,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerMMULT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/MMULT.data');
+        return require 'data/Calculation/MathTrig/MMULT.php';
     }
 
     /**
@@ -324,7 +324,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerMULTINOMIAL()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/MULTINOMIAL.data');
+        return require 'data/Calculation/MathTrig/MULTINOMIAL.php';
     }
 
     /**
@@ -342,7 +342,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerMROUND()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/MROUND.data');
+        return require 'data/Calculation/MathTrig/MROUND.php';
     }
 
     /**
@@ -358,7 +358,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerPRODUCT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/PRODUCT.data');
+        return require 'data/Calculation/MathTrig/PRODUCT.php';
     }
 
     /**
@@ -374,7 +374,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerQUOTIENT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/QUOTIENT.data');
+        return require 'data/Calculation/MathTrig/QUOTIENT.php';
     }
 
     /**
@@ -390,7 +390,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerROUNDUP()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/ROUNDUP.data');
+        return require 'data/Calculation/MathTrig/ROUNDUP.php';
     }
 
     /**
@@ -406,7 +406,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerROUNDDOWN()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/ROUNDDOWN.data');
+        return require 'data/Calculation/MathTrig/ROUNDDOWN.php';
     }
 
     /**
@@ -422,7 +422,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerSERIESSUM()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/SERIESSUM.data');
+        return require 'data/Calculation/MathTrig/SERIESSUM.php';
     }
 
     /**
@@ -438,7 +438,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerSUMSQ()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/SUMSQ.data');
+        return require 'data/Calculation/MathTrig/SUMSQ.php';
     }
 
     /**
@@ -454,7 +454,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerTRUNC()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/TRUNC.data');
+        return require 'data/Calculation/MathTrig/TRUNC.php';
     }
 
     /**
@@ -470,7 +470,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerROMAN()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/ROMAN.data');
+        return require 'data/Calculation/MathTrig/ROMAN.php';
     }
 
     /**
@@ -486,7 +486,7 @@ class MathTrigTest extends \PHPUnit_Framework_TestCase
 
     public function providerSQRTPI()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/MathTrig/SQRTPI.data');
+        return require 'data/Calculation/MathTrig/SQRTPI.php';
     }
 
     /**

tests/PhpSpreadsheet/Calculation/TextDataTest.php

@@ -27,7 +27,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerCHAR()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/CHAR.data');
+        return require 'data/Calculation/TextData/CHAR.php';
     }
 
     /**
@@ -43,7 +43,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerCODE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/CODE.data');
+        return require 'data/Calculation/TextData/CODE.php';
     }
 
     /**
@@ -59,7 +59,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerCONCATENATE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/CONCATENATE.data');
+        return require 'data/Calculation/TextData/CONCATENATE.php';
     }
 
     /**
@@ -75,7 +75,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerLEFT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/LEFT.data');
+        return require 'data/Calculation/TextData/LEFT.php';
     }
 
     /**
@@ -91,7 +91,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerMID()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/MID.data');
+        return require 'data/Calculation/TextData/MID.php';
     }
 
     /**
@@ -107,7 +107,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerRIGHT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/RIGHT.data');
+        return require 'data/Calculation/TextData/RIGHT.php';
     }
 
     /**
@@ -123,7 +123,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerLOWER()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/LOWER.data');
+        return require 'data/Calculation/TextData/LOWER.php';
     }
 
     /**
@@ -139,7 +139,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerUPPER()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/UPPER.data');
+        return require 'data/Calculation/TextData/UPPER.php';
     }
 
     /**
@@ -155,7 +155,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerPROPER()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/PROPER.data');
+        return require 'data/Calculation/TextData/PROPER.php';
     }
 
     /**
@@ -171,7 +171,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerLEN()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/LEN.data');
+        return require 'data/Calculation/TextData/LEN.php';
     }
 
     /**
@@ -187,7 +187,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerSEARCH()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/SEARCH.data');
+        return require 'data/Calculation/TextData/SEARCH.php';
     }
 
     /**
@@ -203,7 +203,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerFIND()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/FIND.data');
+        return require 'data/Calculation/TextData/FIND.php';
     }
 
     /**
@@ -219,7 +219,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerREPLACE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/REPLACE.data');
+        return require 'data/Calculation/TextData/REPLACE.php';
     }
 
     /**
@@ -235,7 +235,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerSUBSTITUTE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/SUBSTITUTE.data');
+        return require 'data/Calculation/TextData/SUBSTITUTE.php';
     }
 
     /**
@@ -251,7 +251,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerTRIM()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/TRIM.data');
+        return require 'data/Calculation/TextData/TRIM.php';
     }
 
     /**
@@ -267,7 +267,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerCLEAN()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/CLEAN.data');
+        return require 'data/Calculation/TextData/CLEAN.php';
     }
 
     /**
@@ -283,7 +283,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerDOLLAR()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/DOLLAR.data');
+        return require 'data/Calculation/TextData/DOLLAR.php';
     }
 
     /**
@@ -299,7 +299,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerFIXED()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/FIXED.data');
+        return require 'data/Calculation/TextData/FIXED.php';
     }
 
     /**
@@ -315,7 +315,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/T.data');
+        return require 'data/Calculation/TextData/T.php';
     }
 
     /**
@@ -336,7 +336,7 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerTEXT()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/TEXT.data');
+        return require 'data/Calculation/TextData/TEXT.php';
     }
 
     /**
@@ -356,6 +356,6 @@ class TextDataTest extends \PHPUnit_Framework_TestCase
 
     public function providerVALUE()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Calculation/TextData/VALUE.data');
+        return require 'data/Calculation/TextData/VALUE.php';
     }
 }

tests/PhpSpreadsheet/CalculationTest.php

@@ -28,6 +28,6 @@ class CalculationTest extends \PHPUnit_Framework_TestCase
 
     public function providerBinaryComparisonOperation()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/CalculationBinaryComparisonOperation.data');
+        return require 'data/CalculationBinaryComparisonOperation.php';
     }
 }

tests/PhpSpreadsheet/Cell/DefaultValueBinderTest.php

@@ -72,7 +72,7 @@ class DefaultValueBinderTest extends \PHPUnit_Framework_TestCase
 
     public function providerDataTypeForValue()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIteratorJson('rawTestData/Cell/DefaultValueBinder.json');
+        return require 'data/Cell/DefaultValueBinder.php';
     }
 
     public function testDataTypeForRichTextObject()

tests/PhpSpreadsheet/CellTest.php

@@ -20,7 +20,7 @@ class CellTest extends \PHPUnit_Framework_TestCase
 
     public function providerColumnString()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/ColumnString.data');
+        return require 'data/ColumnString.php';
     }
 
     public function testColumnIndexFromStringTooLong()
@@ -62,7 +62,7 @@ class CellTest extends \PHPUnit_Framework_TestCase
 
     public function providerColumnIndex()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/ColumnIndex.data');
+        return require 'data/ColumnIndex.php';
     }
 
     /**
@@ -78,7 +78,7 @@ class CellTest extends \PHPUnit_Framework_TestCase
 
     public function providerCoordinates()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/CellCoordinates.data');
+        return require 'data/CellCoordinates.php';
     }
 
     public function testCoordinateFromStringWithRangeAddress()
@@ -133,7 +133,7 @@ class CellTest extends \PHPUnit_Framework_TestCase
 
     public function providerAbsoluteCoordinates()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/CellAbsoluteCoordinate.data');
+        return require 'data/CellAbsoluteCoordinate.php';
     }
 
     public function testAbsoluteCoordinateFromStringWithRangeAddress()
@@ -162,7 +162,7 @@ class CellTest extends \PHPUnit_Framework_TestCase
 
     public function providerAbsoluteReferences()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/CellAbsoluteReference.data');
+        return require 'data/CellAbsoluteReference.php';
     }
 
     public function testAbsoluteReferenceFromStringWithRangeAddress()
@@ -197,7 +197,7 @@ class CellTest extends \PHPUnit_Framework_TestCase
 
     public function providerSplitRange()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/CellSplitRange.data');
+        return require 'data/CellSplitRange.php';
     }
 
     /**
@@ -213,7 +213,7 @@ class CellTest extends \PHPUnit_Framework_TestCase
 
     public function providerBuildRange()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/CellBuildRange.data');
+        return require 'data/CellBuildRange.php';
     }
 
     public function testBuildRangeInvalid()
@@ -242,7 +242,7 @@ class CellTest extends \PHPUnit_Framework_TestCase
 
     public function providerRangeBoundaries()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/CellRangeBoundaries.data');
+        return require 'data/CellRangeBoundaries.php';
     }
 
     /**
@@ -258,7 +258,7 @@ class CellTest extends \PHPUnit_Framework_TestCase
 
     public function providerRangeDimension()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/CellRangeDimension.data');
+        return require 'data/CellRangeDimension.php';
     }
 
     /**
@@ -274,7 +274,7 @@ class CellTest extends \PHPUnit_Framework_TestCase
 
     public function providerGetRangeBoundaries()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/CellGetRangeBoundaries.data');
+        return require 'data/CellGetRangeBoundaries.php';
     }
 
     /**
@@ -290,6 +290,6 @@ class CellTest extends \PHPUnit_Framework_TestCase
 
     public function providerExtractAllCellReferencesInRange()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/CellExtractAllCellReferencesInRange.data');
+        return require 'data/CellExtractAllCellReferencesInRange.php';
     }
 }

tests/PhpSpreadsheet/Reader/XEEValidatorTest.php

@@ -21,7 +21,7 @@ class XEEValidatorTest extends \PHPUnit_Framework_TestCase
     public function providerInvalidXML()
     {
         $tests = [];
-        foreach (glob('rawTestData/Reader/XEETestInvalid*.xml') as $file) {
+        foreach (glob('data/Reader/XEETestInvalid*.xml') as $file) {
             $tests[] = [realpath($file), true];
         }
         return $tests;
@@ -40,7 +40,7 @@ class XEEValidatorTest extends \PHPUnit_Framework_TestCase
     public function providerValidXML()
     {
         $tests = array();
-        foreach (glob('rawTestData/Reader/XEETestValid*.xml') as $file) {
+        foreach (glob('data/Reader/XEETestValid*.xml') as $file) {
             $tests[] = [realpath($file), file_get_contents($file)];
         }
         return $tests;

tests/PhpSpreadsheet/Shared/CodePageTest.php

@@ -20,7 +20,7 @@ class CodePageTest extends \PHPUnit_Framework_TestCase
 
     public function providerCodePage()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Shared/CodePage.data');
+        return require 'data/Shared/CodePage.php';
     }
 
     public function testNumberToNameWithInvalidCodePage()

tests/PhpSpreadsheet/Shared/DateTest.php

@@ -44,7 +44,7 @@ class DateTest extends \PHPUnit_Framework_TestCase
 
     public function providerDateTimeExcelToTimestamp1900()
     {
-        return include 'rawTestData/Shared/Date/ExcelToTimestamp1900.php';
+        return require 'data/Shared/Date/ExcelToTimestamp1900.php';
     }
 
     /**
@@ -65,7 +65,7 @@ class DateTest extends \PHPUnit_Framework_TestCase
 
     public function providerDateTimeTimestampToExcel1900()
     {
-        return include 'rawTestData/Shared/Date/TimestampToExcel1900.php';
+        return require 'data/Shared/Date/TimestampToExcel1900.php';
     }
 
     /**
@@ -86,7 +86,7 @@ class DateTest extends \PHPUnit_Framework_TestCase
 
     public function providerDateTimeDateTimeToExcel()
     {
-        return include 'rawTestData/Shared/Date/DateTimeToExcel.php';
+        return require 'data/Shared/Date/DateTimeToExcel.php';
     }
 
     /**
@@ -107,7 +107,7 @@ class DateTest extends \PHPUnit_Framework_TestCase
 
     public function providerDateTimeFormattedPHPToExcel1900()
     {
-        return include 'rawTestData/Shared/Date/FormattedPHPToExcel1900.php';
+        return require 'data/Shared/Date/FormattedPHPToExcel1900.php';
     }
 
     /**
@@ -128,7 +128,7 @@ class DateTest extends \PHPUnit_Framework_TestCase
 
     public function providerDateTimeExcelToTimestamp1904()
     {
-        return include 'rawTestData/Shared/Date/ExcelToTimestamp1904.php';
+        return require 'data/Shared/Date/ExcelToTimestamp1904.php';
     }
 
     /**
@@ -149,7 +149,7 @@ class DateTest extends \PHPUnit_Framework_TestCase
 
     public function providerDateTimeTimestampToExcel1904()
     {
-        return include 'rawTestData/Shared/Date/TimestampToExcel1904.php';
+        return require 'data/Shared/Date/TimestampToExcel1904.php';
     }
 
     /**
@@ -165,7 +165,7 @@ class DateTest extends \PHPUnit_Framework_TestCase
 
     public function providerIsDateTimeFormatCode()
     {
-        return include 'rawTestData/Shared/Date/FormatCodes.php';
+        return require 'data/Shared/Date/FormatCodes.php';
     }
 
     /**
@@ -186,6 +186,6 @@ class DateTest extends \PHPUnit_Framework_TestCase
 
     public function providerDateTimeExcelToTimestamp1900Timezone()
     {
-        return include 'rawTestData/Shared/Date/ExcelToTimestamp1900Timezone.php';
+        return require 'data/Shared/Date/ExcelToTimestamp1900Timezone.php';
     }
 }

tests/PhpSpreadsheet/Shared/FontTest.php

@@ -48,7 +48,7 @@ class FontTest extends \PHPUnit_Framework_TestCase
 
     public function providerFontSizeToPixels()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Shared/FontSizeToPixels.data');
+        return require 'data/Shared/FontSizeToPixels.php';
     }
 
     /**
@@ -64,7 +64,7 @@ class FontTest extends \PHPUnit_Framework_TestCase
 
     public function providerInchSizeToPixels()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Shared/InchSizeToPixels.data');
+        return require 'data/Shared/InchSizeToPixels.php';
     }
 
     /**
@@ -80,6 +80,6 @@ class FontTest extends \PHPUnit_Framework_TestCase
 
     public function providerCentimeterSizeToPixels()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Shared/CentimeterSizeToPixels.data');
+        return require 'data/Shared/CentimeterSizeToPixels.php';
     }
 }

tests/PhpSpreadsheet/Shared/PasswordHasherTest.php

@@ -20,6 +20,6 @@ class PasswordHasherTest extends \PHPUnit_Framework_TestCase
 
     public function providerHashPassword()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Shared/PasswordHashes.data');
+        return require 'data/Shared/PasswordHashes.php';
     }
 }

tests/PhpSpreadsheet/Style/ColorTest.php

@@ -19,7 +19,7 @@ class ColorTest extends \PHPUnit_Framework_TestCase
 
     public function providerColorGetRed()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Style/ColorGetRed.data');
+        return require 'data/Style/ColorGetRed.php';
     }
 
     /**
@@ -35,7 +35,7 @@ class ColorTest extends \PHPUnit_Framework_TestCase
 
     public function providerColorGetGreen()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Style/ColorGetGreen.data');
+        return require 'data/Style/ColorGetGreen.php';
     }
 
     /**
@@ -51,7 +51,7 @@ class ColorTest extends \PHPUnit_Framework_TestCase
 
     public function providerColorGetBlue()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Style/ColorGetBlue.data');
+        return require 'data/Style/ColorGetBlue.php';
     }
 
     /**
@@ -66,6 +66,6 @@ class ColorTest extends \PHPUnit_Framework_TestCase
 
     public function providerColorChangeBrightness()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIteratorJson('rawTestData/Style/ColorChangeBrightness.json');
+        return require 'data/Style/ColorChangeBrightness.php';
     }
 }

tests/PhpSpreadsheet/Style/NumberFormatDateTest.php

@@ -29,6 +29,6 @@ class NumberFormatDateTest extends \PHPUnit_Framework_TestCase
 
     public function providerNumberFormat()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Style/NumberFormatDates.data');
+        return require 'data/Style/NumberFormatDates.php';
     }
 }

tests/PhpSpreadsheet/Style/NumberFormatTest.php

@@ -27,6 +27,6 @@ class NumberFormatTest extends \PHPUnit_Framework_TestCase
 
     public function providerNumberFormat()
     {
-        return new \PhpSpreadsheet\Tests\TestDataFileIterator('rawTestData/Style/NumberFormat.data');
+        return require 'data/Style/NumberFormat.php';
     }
 }

tests/PhpSpreadsheet/TestDataFileIterator.php

@@ -1,138 +0,0 @@
-<?php
-
-namespace PhpSpreadsheet\Tests;
-
-class TestDataFileIterator implements \Iterator
-{
-    protected $file;
-    protected $key = 0;
-    protected $current;
-
-    public function __construct($file)
-    {
-        $this->file = fopen($file, 'r');
-    }
-
-    public function __destruct()
-    {
-        fclose($this->file);
-    }
-
-    public function rewind()
-    {
-        rewind($this->file);
-        $this->current = $this->_parseNextDataset();
-        $this->key = 0;
-    }
-
-    public function valid()
-    {
-        return !feof($this->file);
-    }
-
-    public function key()
-    {
-        return $this->key;
-    }
-
-    public function current()
-    {
-        return $this->current;
-    }
-
-    public function next()
-    {
-        $this->current = $this->_parseNextDataset();
-        $this->key++;
-    }
-
-    private function _parseNextDataset()
-    {
-        //    Read a line of test data from the file
-        do {
-            //    Only take lines that contain test data and that aren't commented out
-            $testDataRow = trim(fgets($this->file));
-        } while (($testDataRow > '') && ($testDataRow{0} === '#'));
-
-        //    Discard any comments at the end of the line
-        list($testData) = explode('//', $testDataRow);
-
-        //    Split data into an array of individual values and a result
-        $dataSet = $this->_getcsv($testData, ',', "'");
-        foreach ($dataSet as &$dataValue) {
-            $dataValue = $this->_parseDataValue($dataValue);
-        }
-        unset($dataValue);
-
-        return $dataSet;
-    }
-
-    private function _getcsv($input, $delimiter, $enclosure)
-    {
-        if (function_exists('str_getcsv')) {
-            return str_getcsv($input, $delimiter, $enclosure);
-        }
-
-        $temp = fopen('php://memory', 'rw');
-        fwrite($temp, $input);
-        rewind($temp);
-        $data = fgetcsv($temp, strlen($input), $delimiter, $enclosure);
-        fclose($temp);
-
-        if ($data === false) {
-            $data = array(null);
-        }
-
-        return $data;
-    }
-
-    private function _parseDataValue($dataValue)
-    {
-        //    discard any white space
-        $dataValue = trim($dataValue);
-        //    test for the required datatype and convert accordingly
-        if (!is_numeric($dataValue)) {
-            if ($dataValue == '') {
-                $dataValue = null;
-            } elseif ($dataValue == '""') {
-                $dataValue = '';
-            } elseif (($dataValue[0] == '"') && ($dataValue[strlen($dataValue)-1] == '"')) {
-                $dataValue = substr($dataValue, 1, -1);
-            } elseif (($dataValue[0] == '{') && ($dataValue[strlen($dataValue)-1] == '}')) {
-                $dataValue = explode(';', substr($dataValue, 1, -1));
-                foreach ($dataValue as &$dataRow) {
-                    if (strpos($dataRow, '|') !== false) {
-                        $dataRow = explode('|', $dataRow);
-                        foreach ($dataRow as &$dataCell) {
-                            $dataCell = $this->_parseDataValue($dataCell);
-                        }
-                        unset($dataCell);
-                    } else {
-                        $dataRow = $this->_parseDataValue($dataRow);
-                    }
-                }
-                unset($dataRow);
-            } else {
-                switch (strtoupper($dataValue)) {
-                    case 'NULL':
-                        $dataValue = null;
-                        break;
-                    case 'TRUE':
-                        $dataValue = true;
-                        break;
-                    case 'FALSE':
-                        $dataValue = false;
-                        break;
-                }
-            }
-        } else {
-            if (strpos($dataValue, '.') !== false) {
-                $dataValue = (float) $dataValue;
-            } else {
-                $dataValue = (int) $dataValue;
-            }
-        }
-
-        return $dataValue;
-    }
-}

tests/PhpSpreadsheet/TestDataFileIteratorJson.php

@@ -1,65 +0,0 @@
-<?php
-
-namespace PhpSpreadsheet\Tests;
-
-class TestDataFileIteratorJson implements \Iterator
-{
-    protected $file;
-    protected $key = 0;
-    protected $current;
-
-    public function __construct($file)
-    {
-        $this->file = fopen($file, 'r');
-    }
-
-    public function __destruct()
-    {
-        fclose($this->file);
-    }
-
-    public function rewind()
-    {
-        rewind($this->file);
-        $this->current = $this->_parseNextDataset();
-        $this->key = 0;
-    }
-
-    public function valid()
-    {
-        return !feof($this->file);
-    }
-
-    public function key()
-    {
-        return $this->key;
-    }
-
-    public function current()
-    {
-        return $this->current;
-    }
-
-    public function next()
-    {
-        $this->current = $this->_parseNextDataset();
-        $this->key++;
-    }
-
-    private function _parseNextDataset()
-    {
-        //    Read a line of test data from the file
-        do {
-            //    Only take lines that contain test data and that aren't commented out
-            $testDataRow = trim(fgets($this->file));
-        } while (($testDataRow > '') && ($testDataRow{0} === '#'));
-
-        //    Discard any comments at the end of the line
-        list($testData) = explode('//', $testDataRow);
-
-        //    Split data into an array of individual values and a result
-        $dataSet = json_decode(trim($testData));
-
-        return $dataSet;
-    }
-}

tests/data/Calculation/DateTime/DATE.php

@@ -0,0 +1,489 @@
+<?php
+
+//  Year, Month, Day, Result, Comments
+
+return [
+    [
+        18,
+        11,
+        11,
+        6890,
+    ],
+    // Excel 1900 Calendar Base Date
+    [
+        1900,
+        1,
+        1,
+        1,
+    ],
+    // Day before Excel mythical 1900 leap day
+    [
+        1900,
+        2,
+        28,
+        59,
+    ],
+    // Excel mythical 1900 leap day
+    [
+        1900,
+        2,
+        29,
+        60,
+    ],
+    // Day after Excel mythical 1900 leap day
+    [
+        1900,
+        3,
+        1,
+        61,
+    ],
+    // Day after Excel mythical 1900 leap day
+    [
+        1901,
+        12,
+        13,
+        713,
+    ],
+    // PHP 32-bit Earliest Date
+    [
+        1901,
+        12,
+        14,
+        714,
+    ],
+    [
+        1903,
+        12,
+        31,
+        1461,
+    ],
+    // Excel 1904 Calendar Base Date
+    [
+        1904,
+        1,
+        1,
+        1462,
+    ],
+    [
+        1904,
+        1,
+        2,
+        1463,
+    ],
+    [
+        1960,
+        12,
+        19,
+        22269,
+    ],
+    // PHP Base Date
+    [
+        1970,
+        1,
+        1,
+        25569,
+    ],
+    [
+        1982,
+        12,
+        7,
+        30292,
+    ],
+    [
+        2008,
+        6,
+        12,
+        39611,
+    ],
+    // PHP 32-bit Latest Date
+    [
+        2038,
+        1,
+        19,
+        50424,
+    ],
+    // Day after PHP 32-bit Latest Date
+    [
+        2038,
+        1,
+        20,
+        50425,
+    ],
+    [
+        2008,
+        1,
+        1,
+        39448,
+    ],
+    [
+        2008,
+        1,
+        null,
+        39447,
+    ],
+    [
+        2008,
+        1,
+        -1,
+        39446,
+    ],
+    [
+        2008,
+        1,
+        -30,
+        39417,
+    ],
+    [
+        2008,
+        1,
+        -31,
+        39416,
+    ],
+    [
+        2008,
+        1,
+        -365,
+        39082,
+    ],
+    [
+        2008,
+        3,
+        1,
+        39508,
+    ],
+    [
+        2008,
+        3,
+        null,
+        39507,
+    ],
+    [
+        2008,
+        3,
+        -1,
+        39506,
+    ],
+    [
+        2008,
+        3,
+        -365,
+        39142,
+    ],
+    [
+        2008,
+        null,
+        1,
+        39417,
+    ],
+    [
+        2008,
+        -1,
+        1,
+        39387,
+    ],
+    [
+        2008,
+        -11,
+        1,
+        39083,
+    ],
+    [
+        2008,
+        -12,
+        1,
+        39052,
+    ],
+    [
+        2008,
+        -13,
+        1,
+        39022,
+    ],
+    [
+        2008,
+        -13,
+        30,
+        39051,
+    ],
+    [
+        2008,
+        -13,
+        null,
+        39021,
+    ],
+    [
+        2008,
+        -13,
+        -30,
+        38991,
+    ],
+    [
+        2008,
+        -13,
+        -31,
+        38990,
+    ],
+    [
+        2008,
+        13,
+        1,
+        39814,
+    ],
+    [
+        2007,
+        15,
+        null,
+        39507,
+    ],
+    [
+        2008,
+        26,
+        1,
+        40210,
+    ],
+    [
+        2008,
+        26,
+        -10,
+        40199,
+    ],
+    [
+        2008,
+        -26,
+        61,
+        38686,
+    ],
+    [
+        2010,
+        -15,
+        -50,
+        39641,
+    ],
+    [
+        2010,
+        -15,
+        50,
+        39741,
+    ],
+    [
+        2010,
+        15,
+        -50,
+        40552,
+    ],
+    [
+        2010,
+        15,
+        50,
+        40652,
+    ],
+    [
+        2010,
+        1.5,
+        1,
+        40179,
+    ],
+    [
+        2010,
+        1.5,
+        0,
+        40178,
+    ],
+    [
+        2010,
+        0,
+        1.5,
+        40148,
+    ],
+    [
+        2010,
+        1,
+        1.5,
+        40179,
+    ],
+    [
+        2012,
+        6,
+        15,
+        41075,
+    ],
+    [
+        2012,
+        6,
+        null,
+        41060,
+    ],
+    [
+        2012,
+        null,
+        15,
+        40892,
+    ],
+    [
+        null,
+        6,
+        15,
+        167,
+    ],
+    [
+        10,
+        6,
+        15,
+        3819,
+    ],
+    [
+        10,
+        null,
+        null,
+        3622,
+    ],
+    [
+        null,
+        10,
+        null,
+        274,
+    ],
+    [
+        null,
+        null,
+        10,
+        '#NUM!',
+    ],
+    [
+        -20,
+        null,
+        null,
+        '#NUM!',
+    ],
+    [
+        -20,
+        6,
+        15,
+        '#NUM!',
+    ],
+    // Excel Maximum Date
+    [
+        9999,
+        12,
+        31,
+        2958465,
+    ],
+    // Exceeded Excel Maximum Date
+    [
+        10000,
+        1,
+        1,
+        '#NUM!',
+    ],
+    [
+        2008,
+        8,
+        10,
+        39670,
+    ],
+    [
+        2008,
+        12,
+        31,
+        39813,
+    ],
+    [
+        2008,
+        8,
+        32,
+        39692,
+    ],
+    [
+        2008,
+        13,
+        31,
+        39844,
+    ],
+    [
+        2009,
+        1,
+        0,
+        39813,
+    ],
+    [
+        2009,
+        1,
+        -1,
+        39812,
+    ],
+    [
+        2009,
+        0,
+        0,
+        39782,
+    ],
+    [
+        2009,
+        0,
+        -1,
+        39781,
+    ],
+    [
+        2009,
+        -1,
+        0,
+        39752,
+    ],
+    [
+        2009,
+        -1,
+        -1,
+        39751,
+    ],
+    [
+        2010,
+        0,
+        -1,
+        40146,
+    ],
+    [
+        2010,
+        5,
+        31,
+        40329,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        2010,
+        1,
+        '21st',
+        40199,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        2010,
+        'March',
+        '21st',
+        40258,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        2010,
+        'March',
+        21,
+        40258,
+    ],
+    [
+        'ABC',
+        1,
+        21,
+        '#VALUE!',
+    ],
+    [
+        2010,
+        'DEF',
+        21,
+        '#VALUE!',
+    ],
+    [
+        2010,
+        3,
+        'GHI',
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/DateTime/DATEDIF.php

@@ -0,0 +1,580 @@
+<?php
+
+return [
+    [
+        'ABC',
+        '2007-1-10',
+        'Y',
+        '#VALUE!',
+    ],
+    [
+        '2007-1-1',
+        'DEF',
+        'Y',
+        '#VALUE!',
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        'XYZ',
+        '#VALUE!',
+    ],
+    [
+        '2007-1-10',
+        '2007-1-1',
+        'Y',
+        '#NUM!',
+    ],
+    [
+        '2007-12-31',
+        '2008-1-10',
+        'Y',
+        0,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        'Y',
+        0,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        'M',
+        0,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        'D',
+        9,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        'YM',
+        0,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        'YD',
+        9,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        'MD',
+        9,
+    ],
+    [
+        '2007-1-1',
+        '2007-12-31',
+        'Y',
+        0,
+    ],
+    [
+        '2007-1-1',
+        '2007-12-31',
+        'M',
+        11,
+    ],
+    [
+        '2007-1-1',
+        '2007-12-31',
+        'D',
+        364,
+    ],
+    [
+        '2007-1-1',
+        '2007-12-31',
+        'YM',
+        11,
+    ],
+    [
+        '2007-1-1',
+        '2007-12-31',
+        'YD',
+        364,
+    ],
+    [
+        '2007-1-1',
+        '2007-12-31',
+        'MD',
+        30,
+    ],
+    [
+        '2007-1-1',
+        '2008-7-1',
+        'Y',
+        1,
+    ],
+    [
+        '2007-1-1',
+        '2008-7-1',
+        'M',
+        18,
+    ],
+    [
+        '2007-1-1',
+        '2008-7-1',
+        'D',
+        547,
+    ],
+    [
+        '2007-1-1',
+        '2008-7-1',
+        'YM',
+        6,
+    ],
+    [
+        '2007-1-1',
+        '2008-7-1',
+        'YD',
+        181,
+    ],
+    [
+        '2007-1-1',
+        '2008-7-1',
+        'MD',
+        0,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-31',
+        'Y',
+        0,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-31',
+        'M',
+        0,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-31',
+        'D',
+        30,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-31',
+        'YM',
+        0,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-31',
+        'YD',
+        30,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-31',
+        'MD',
+        30,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-1',
+        'Y',
+        0,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-1',
+        'M',
+        1,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-1',
+        'D',
+        31,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-1',
+        'YM',
+        1,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-1',
+        'YD',
+        31,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-1',
+        'MD',
+        0,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-28',
+        'Y',
+        0,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-28',
+        'M',
+        1,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-28',
+        'D',
+        58,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-28',
+        'YM',
+        1,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-28',
+        'YD',
+        58,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-28',
+        'MD',
+        27,
+    ],
+    [
+        '2007-1-31',
+        '2007-2-1',
+        'Y',
+        0,
+    ],
+    [
+        '2007-1-31',
+        '2007-2-1',
+        'M',
+        0,
+    ],
+    [
+        '2007-1-31',
+        '2007-2-1',
+        'D',
+        1,
+    ],
+    [
+        '2007-1-31',
+        '2007-2-1',
+        'YM',
+        0,
+    ],
+    [
+        '2007-1-31',
+        '2007-2-1',
+        'YD',
+        1,
+    ],
+    [
+        '2007-1-31',
+        '2007-2-1',
+        'MD',
+        1,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-1',
+        'Y',
+        0,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-1',
+        'M',
+        1,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-1',
+        'D',
+        29,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-1',
+        'YM',
+        1,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-1',
+        'YD',
+        29,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-1',
+        'MD',
+        -2,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-31',
+        'Y',
+        0,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-31',
+        'M',
+        2,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-31',
+        'D',
+        59,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-31',
+        'YM',
+        2,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-31',
+        'YD',
+        59,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-31',
+        'MD',
+        0,
+    ],
+    [
+        '2008-1-1',
+        '2008-9-1',
+        'Y',
+        0,
+    ],
+    [
+        '2008-1-1',
+        '2008-9-1',
+        'M',
+        8,
+    ],
+    [
+        '2008-1-1',
+        '2008-9-1',
+        'D',
+        244,
+    ],
+    [
+        '2008-1-1',
+        '2008-9-1',
+        'YM',
+        8,
+    ],
+    [
+        '2008-1-1',
+        '2008-9-1',
+        'YD',
+        244,
+    ],
+    [
+        '2008-1-1',
+        '2008-9-1',
+        'MD',
+        0,
+    ],
+    [
+        '2007-2-1',
+        '2008-4-1',
+        'Y',
+        1,
+    ],
+    [
+        '2007-2-1',
+        '2008-4-1',
+        'M',
+        14,
+    ],
+    [
+        '2007-2-1',
+        '2008-4-1',
+        'D',
+        425,
+    ],
+    [
+        '2007-2-1',
+        '2008-4-1',
+        'YM',
+        2,
+    ],
+    [
+        '2007-2-1',
+        '2008-4-1',
+        'YD',
+        59,
+    ],
+    [
+        '2007-2-1',
+        '2008-4-1',
+        'MD',
+        0,
+    ],
+    [
+        '1960-12-19',
+        '2008-6-28',
+        'Y',
+        47,
+    ],
+    [
+        '1960-12-19',
+        '2008-6-28',
+        'M',
+        570,
+    ],
+    [
+        '1960-12-19',
+        '2008-6-28',
+        'D',
+        17358,
+    ],
+    [
+        '1960-12-19',
+        '2008-6-28',
+        'YM',
+        6,
+    ],
+    [
+        '1960-12-19',
+        '2008-6-28',
+        'YD',
+        191,
+    ],
+    [
+        '1960-12-19',
+        '2008-6-28',
+        'MD',
+        9,
+    ],
+    [
+        '1982-12-7',
+        '2008-6-28',
+        'Y',
+        25,
+    ],
+    [
+        '1982-12-7',
+        '2008-6-28',
+        'M',
+        306,
+    ],
+    [
+        '1982-12-7',
+        '2008-6-28',
+        'D',
+        9335,
+    ],
+    [
+        '1982-12-7',
+        '2008-6-28',
+        'YM',
+        6,
+    ],
+    [
+        '1982-12-7',
+        '2008-6-28',
+        'YD',
+        203,
+    ],
+    [
+        '1982-12-7',
+        '2008-6-28',
+        'MD',
+        21,
+    ],
+    [
+        '2007-12-25',
+        '2010-3-17',
+        'Y',
+        2,
+    ],
+    [
+        '2007-12-25',
+        '2010-3-17',
+        'M',
+        26,
+    ],
+    [
+        '2007-12-25',
+        '2010-3-17',
+        'D',
+        813,
+    ],
+    [
+        '2007-12-25',
+        '2010-3-17',
+        'YM',
+        2,
+    ],
+    [
+        '2007-12-25',
+        '2010-3-17',
+        'YD',
+        82,
+    ],
+    [
+        '2007-12-25',
+        '2010-3-17',
+        'MD',
+        20,
+    ],
+    [
+        '19-12-1960',
+        '26-01-2012',
+        'Y',
+        51,
+    ],
+    [
+        '19-12-1960',
+        '26-01-2012',
+        'M',
+        613,
+    ],
+    [
+        '19-12-1960',
+        '26-01-2012',
+        'D',
+        18665,
+    ],
+    [
+        '19-12-1960',
+        '26-01-2012',
+        'YM',
+        1,
+    ],
+    [
+        '19-12-1960',
+        '26-01-2012',
+        'YD',
+        38,
+    ],
+    [
+        '19-12-1960',
+        '26-01-2012',
+        'MD',
+        7,
+    ],
+    [
+        '19-12-1960',
+        '12-12-2012',
+        'Y',
+        50,
+    ],
+];

tests/data/Calculation/DateTime/DATEVALUE.php

@@ -0,0 +1,293 @@
+<?php
+
+//  Date String, Result
+
+return [
+    [
+        '25-Dec-1899',
+        '#VALUE!',
+    ],
+    [
+        '31-Dec-1899',
+        '#VALUE!',
+    ],
+    [
+        '1-Jan-1900',
+        1,
+    ],
+    [
+        '1900/2/28',
+        59,
+    ],
+    [
+        '29-02-1900',
+        '#VALUE!',
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        '29th February 1900',
+        '#VALUE!',
+    ],
+    [
+        '1900/3/1',
+        61,
+    ],
+    [
+        '13-12-1901',
+        713,
+    ],
+    [
+        '14-12-1901',
+        714,
+    ],
+    [
+        '1903/12/31',
+        1461,
+    ],
+    [
+        '1-Jan-1904',
+        1462,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        '2nd-Jan-1904',
+        1463,
+    ],
+    [
+        '19-12-1960',
+        22269,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        '1st January 1970',
+        25569,
+    ],
+    [
+        '7-Dec-1982',
+        30292,
+    ],
+    [
+        '1-1-2008',
+        39448,
+    ],
+    [
+        '2038-01-19',
+        50424,
+    ],
+    [
+        '2-6-2008',
+        39601,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        'December 25th 2008',
+        39807,
+    ],
+    [
+        '1 Jan-2008',
+        39448,
+    ],
+    // MS Excel success or failure dependent on country settings
+    [
+        '12-31-2008',
+        39813,
+    ],
+    // PHPExcel tries to handle both US and UK formats, irrespective of country settings
+    [
+        '31-12-2008',
+        39813,
+    ],
+    // MS Excel success or failure dependent on country settings
+    [
+        '8/22/2008',
+        39682,
+    ],
+    // PHPExcel tries to handle both US and UK formats, irrespective of country settings
+    [
+        '22/8/2008',
+        39682,
+    ],
+    [
+        '22/8/08',
+        39682,
+    ],
+    [
+        '22-AUG-2008',
+        39682,
+    ],
+    [
+        '2008/02/23',
+        39501,
+    ],
+    [
+        '6-7-2008',
+        39635,
+    ],
+    // MS Excel success or failure dependent on country settings
+    [
+        '28-2-2007',
+        39141,
+    ],
+    // PHPExcel tries to handle both US and UK formats, irrespective of country settings
+    [
+        '2-28-2007',
+        39141,
+    ],
+    // Should fail because it's an invalid date, but PHPExcel currently adjusts to 1-3-2007 - FIX NEEDED
+    [
+        '29-2-2007',
+        '#VALUE!',
+    ],
+    [
+        '1/1/1999',
+        36161,
+    ],
+    [
+        '1954-07-20',
+        19925,
+    ],
+    [
+        '22 August 98',
+        36029,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        '1st March 2007',
+        39142,
+    ],
+    [
+        'The 1st day of March 2007',
+        '#VALUE!',
+    ],
+    // 01/01 of the current year
+    [
+        '1 Jan',
+        42370,
+    ],
+    // 31/12 of the current year
+    [
+        '31/12',
+        42735,
+    ],
+    // Excel reads as 1st December 1931, not 31st December in current year
+    [
+        '12/31',
+        11658,
+    ],
+    // 05/07 of the current year
+    [
+        '5-JUL',
+        42556,
+    ],
+    // 05/07 of the current year
+    [
+        '5 Jul',
+        42556,
+    ],
+    [
+        '12/2008',
+        39783,
+    ],
+    [
+        '10/32',
+        11963,
+    ],
+    [
+        11,
+        '#VALUE!',
+    ],
+    [
+        true,
+        '#VALUE!',
+    ],
+    [
+        false,
+        '#VALUE!',
+    ],
+    [
+        1,
+        '#VALUE!',
+    ],
+    [
+        12345,
+        '#VALUE!',
+    ],
+    [
+        12,
+        '#VALUE!',
+    ],
+    [
+        '12-Feb-2010',
+        40221,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        'Feb-12-2010',
+        40221,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        'February-12-2010',
+        40221,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        'February 12 2010',
+        40221,
+    ],
+    [
+        '18 Feb 2010',
+        40227,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        '17th 3rd 2010',
+        40254,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        'Feb 18th 2010',
+        40227,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        '1st Feb 2010',
+        40210,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        '1st-Feb-2010',
+        40210,
+    ],
+    [
+        '1me Fev 2010',
+        '#VALUE!',
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        'February 1st 2010',
+        40210,
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        '2nd Feb 2010',
+        40211,
+    ],
+    [
+        'Second Feb 2010',
+        '#VALUE!',
+    ],
+    [
+        'First August 2010',
+        '#VALUE!',
+    ],
+    // MS Excel will fail with a #VALUE return, but PHPExcel can parse this date
+    [
+        '1st August 2010',
+        40391,
+    ],
+    [
+        '15:30:25',
+        0,
+    ],
+];

tests/data/Calculation/DateTime/DAY.php

@@ -0,0 +1,34 @@
+<?php
+
+//  Date Value, Result
+
+return [
+    [
+        22269,
+        19,
+    ],
+    [
+        30348,
+        1,
+    ],
+    [
+        30843,
+        10,
+    ],
+    [
+        '11-Nov-1918',
+        11,
+    ],
+    [
+        '28-Feb-1904',
+        28,
+    ],
+    [
+        'Invalid',
+        '#VALUE!',
+    ],
+    [
+        -1,
+        '#NUM!',
+    ],
+];

tests/data/Calculation/DateTime/DAYS360.php

@@ -0,0 +1,208 @@
+<?php
+
+return [
+    [
+        'ABC',
+        '2007-1-10',
+        false,
+        '#VALUE!',
+    ],
+    [
+        '2007-1-1',
+        'DEF',
+        true,
+        '#VALUE!',
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        'XYZ',
+        '#VALUE!',
+    ],
+    [
+        '2007-1-10',
+        '2007-1-1',
+        'Y',
+        '#VALUE!',
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        false,
+        9,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        true,
+        9,
+    ],
+    [
+        '2007-1-1',
+        '2007-12-31',
+        false,
+        360,
+    ],
+    [
+        '2007-1-1',
+        '2007-12-31',
+        true,
+        359,
+    ],
+    [
+        '2007-1-1',
+        '2008-7-1',
+        false,
+        540,
+    ],
+    [
+        '2007-1-1',
+        '2008-7-1',
+        true,
+        540,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-31',
+        false,
+        30,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-31',
+        true,
+        29,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-1',
+        false,
+        30,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-1',
+        true,
+        30,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-28',
+        false,
+        57,
+    ],
+    [
+        '2007-1-1',
+        '2007-2-28',
+        true,
+        57,
+    ],
+    [
+        '2007-1-31',
+        '2007-2-1',
+        false,
+        1,
+    ],
+    [
+        '2007-1-31',
+        '2007-2-1',
+        true,
+        1,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-1',
+        false,
+        31,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-1',
+        true,
+        31,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-31',
+        false,
+        60,
+    ],
+    [
+        '2007-1-31',
+        '2007-3-31',
+        true,
+        60,
+    ],
+    [
+        '2008-1-1',
+        '2008-9-1',
+        false,
+        240,
+    ],
+    [
+        '2008-1-1',
+        '2008-9-1',
+        true,
+        240,
+    ],
+    [
+        '2007-2-1',
+        '2008-4-1',
+        false,
+        420,
+    ],
+    [
+        '2007-2-1',
+        '2008-4-1',
+        true,
+        420,
+    ],
+    [
+        '1960-12-19',
+        '2008-6-28',
+        false,
+        17109,
+    ],
+    [
+        '1960-12-19',
+        '2008-6-28',
+        true,
+        17109,
+    ],
+    [
+        '1982-12-7',
+        '2008-6-28',
+        false,
+        9201,
+    ],
+    [
+        '1982-12-7',
+        '2008-6-28',
+        true,
+        9201,
+    ],
+    [
+        '2000-2-28',
+        '2000-3-31',
+        false,
+        33,
+    ],
+    [
+        '2000-2-28',
+        '2000-3-31',
+        true,
+        32,
+    ],
+    [
+        '2000-2-29',
+        '2000-3-31',
+        false,
+        30,
+    ],
+    [
+        '2000-2-29',
+        '2000-3-31',
+        true,
+        31,
+    ],
+];

tests/data/Calculation/DateTime/EDATE.php

@@ -0,0 +1,79 @@
+<?php
+
+return [
+    [
+        '15-Jan-2008',
+        1,
+        39493,
+    ],
+    [
+        '15-Jan-2008',
+        -1,
+        39431,
+    ],
+    [
+        '15-Jan-2008',
+        2,
+        39522,
+    ],
+    [
+        '31-Mar-2007',
+        1,
+        39202,
+    ],
+    [
+        '31-Mar-2007',
+        -1,
+        39141,
+    ],
+    [
+        '31-Mar-2008',
+        -1,
+        39507,
+    ],
+    [
+        '31-Mar-2008',
+        -4,
+        39416,
+    ],
+    [
+        '29-Feb-2008',
+        -12,
+        39141,
+    ],
+    [
+        '15-Mar-2007',
+        3,
+        39248,
+    ],
+    [
+        22269.0,
+        0,
+        22269,
+    ],
+    [
+        22269.0,
+        2,
+        22331,
+    ],
+    [
+        22269.0,
+        110,
+        25618,
+    ],
+    [
+        22269.0,
+        -110,
+        18920,
+    ],
+    [
+        '15-Mar-2007',
+        'ABC',
+        '#VALUE!',
+    ],
+    [
+        'Invalid',
+        12,
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/DateTime/EOMONTH.php

@@ -0,0 +1,89 @@
+<?php
+
+return [
+    [
+        '15-Jan-2008',
+        1,
+        39507,
+    ],
+    [
+        '15-Jan-2008',
+        -1,
+        39447,
+    ],
+    [
+        '15-Jan-2008',
+        2,
+        39538,
+    ],
+    [
+        '31-Mar-2007',
+        1,
+        39202,
+    ],
+    [
+        '31-Mar-2007',
+        -1,
+        39141,
+    ],
+    [
+        '31-Mar-2008',
+        -1,
+        39507,
+    ],
+    [
+        '31-Mar-2008',
+        -4,
+        39416,
+    ],
+    [
+        '29-Feb-2008',
+        -12,
+        39141,
+    ],
+    [
+        '15-Mar-2007',
+        3,
+        39263,
+    ],
+    [
+        22269.0,
+        0,
+        22281,
+    ],
+    [
+        22269.0,
+        2,
+        22340,
+    ],
+    [
+        22269.0,
+        110,
+        25627,
+    ],
+    [
+        22269.0,
+        -110,
+        18932,
+    ],
+    [
+        22269.0,
+        3,
+        22371,
+    ],
+    [
+        22269.0,
+        3.75,
+        22371,
+    ],
+    [
+        '15-Mar-2007',
+        'ABC',
+        '#VALUE!',
+    ],
+    [
+        'Invalid',
+        12,
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/DateTime/HOUR.php

@@ -0,0 +1,52 @@
+<?php
+
+return [
+    [
+        0.25,
+        6,
+    ],
+    [
+        0.75,
+        18,
+    ],
+    [
+        0.5,
+        12,
+    ],
+    [
+        0.59999999999999998,
+        14,
+    ],
+    [
+        '11-Nov-1918 11:11',
+        11,
+    ],
+    [
+        '11:59 PM',
+        23,
+    ],
+    [
+        '23:59:59',
+        23,
+    ],
+    [
+        3600,
+        0,
+    ],
+    [
+        -3600,
+        '#NUM!',
+    ],
+    [
+        7200,
+        0,
+    ],
+    [
+        65535,
+        0,
+    ],
+    [
+        '1 O\'Clock',
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/DateTime/MINUTE.php

@@ -0,0 +1,52 @@
+<?php
+
+return [
+    [
+        0.20000000000000001,
+        48,
+    ],
+    [
+        0.40000000000000002,
+        36,
+    ],
+    [
+        0.59999999999999998,
+        24,
+    ],
+    [
+        0.80000000000000004,
+        12,
+    ],
+    [
+        '11-Nov-1918 11:15',
+        15,
+    ],
+    [
+        '11:59 PM',
+        59,
+    ],
+    [
+        '23:59:59',
+        59,
+    ],
+    [
+        3600,
+        0,
+    ],
+    [
+        -3600,
+        '#NUM!',
+    ],
+    [
+        12500,
+        0,
+    ],
+    [
+        65535,
+        0,
+    ],
+    [
+        'Half past 1 O\'Clock',
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/DateTime/MONTH.php

@@ -0,0 +1,52 @@
+<?php
+
+return [
+    [
+        null,
+        1,
+    ],
+    [
+        0,
+        1,
+    ],
+    [
+        22269.0,
+        12,
+    ],
+    [
+        30348.0,
+        2,
+    ],
+    [
+        30843.0,
+        6,
+    ],
+    [
+        '11-Nov-1918',
+        11,
+    ],
+    [
+        '28-Feb-1904',
+        2,
+    ],
+    [
+        '01 Jul 2003',
+        7,
+    ],
+    [
+        38094,
+        4,
+    ],
+    [
+        'Dec 2003',
+        12,
+    ],
+    [
+        -10,
+        '#NUM!',
+    ],
+    [
+        'ABCD',
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/DateTime/NETWORKDAYS.php

@@ -0,0 +1,103 @@
+<?php
+
+return [
+    [
+        '1-Jan-2007',
+        '10-Jan-2007',
+        8,
+    ],
+    [
+        '18-Jun-2008',
+        '20-Jun-2008',
+        3,
+    ],
+    [
+        '16-Jun-2008',
+        '20-Jun-2008',
+        5,
+    ],
+    [
+        '14-Jun-2008',
+        '20-Jun-2008',
+        5,
+    ],
+    [
+        '20-Jun-2008',
+        '20-Jun-2008',
+        1,
+    ],
+    [
+        '21-Jun-2008',
+        '21-Jun-2008',
+        0,
+    ],
+    [
+        '20-Jun-2008',
+        '20-Jun-2008',
+        '20-Jun-2008',
+        0,
+    ],
+    [
+        '20-Jun-2008',
+        '20-Jun-2008',
+        '20-Jun-2008',
+        '20-Jun-2008',
+        0,
+    ],
+    [
+        '14-Jun-2008',
+        '25-Jun-2008',
+        8,
+    ],
+    [
+        '19-Dec-1960',
+        '10-Jan-1961',
+        17,
+    ],
+    [
+        '10-Jan-1961',
+        '19-Dec-1960',
+        -17,
+    ],
+    [
+        '19-Dec-1960',
+        '10-Jan-1961',
+        '25-Dec-1960',
+        '26-Dec-1960',
+        '01-Jan-1961',
+        16,
+    ],
+    [
+        '10-Jan-1961',
+        '19-Dec-1960',
+        '25-Dec-1960',
+        '26-Dec-1960',
+        '01-Jan-1961',
+        -16,
+    ],
+    [
+        '1-Jan-2007',
+        '31-Mar-2007',
+        65,
+    ],
+    [
+        '1-Jan-2007',
+        '31-Jan-2007',
+        23,
+    ],
+    [
+        '1-Jan-2007',
+        '1-Feb-2007',
+        24,
+    ],
+    [
+        '1-Jan-2007',
+        '28-Feb-2007',
+        43,
+    ],
+    [
+        '31-Jan-2007',
+        '1-Feb-2007',
+        2,
+    ],
+];

tests/data/Calculation/DateTime/SECOND.php

@@ -0,0 +1,52 @@
+<?php
+
+return [
+    [
+        0.2339930556,
+        57,
+    ],
+    [
+        0.4202893519,
+        13,
+    ],
+    [
+        0.60789351849999995,
+        22,
+    ],
+    [
+        0.80221064809999998,
+        11,
+    ],
+    [
+        '11-Nov-1918 11:15:35',
+        35,
+    ],
+    [
+        '11:59 PM',
+        0,
+    ],
+    [
+        '23:59:59',
+        59,
+    ],
+    [
+        3600,
+        0,
+    ],
+    [
+        -3601,
+        '#NUM!',
+    ],
+    [
+        12500,
+        0,
+    ],
+    [
+        65535,
+        0,
+    ],
+    [
+        'Half past 1 O\'Clock',
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/DateTime/TIME.php

@@ -0,0 +1,136 @@
+<?php
+
+return [
+    [
+        18,
+        11,
+        11,
+        0.75776620370400005,
+    ],
+    [
+        6,
+        15,
+        5,
+        0.26047453703700002,
+    ],
+    [
+        12,
+        30,
+        10,
+        0.52094907407400004,
+    ],
+    [
+        18,
+        45,
+        25,
+        0.78153935185199996,
+    ],
+    [
+        15,
+        32,
+        50,
+        0.64780092592600003,
+    ],
+    [
+        12,
+        null,
+        61,
+        0.50070601851899998,
+    ],
+    [
+        11,
+        null,
+        -1,
+        0.45832175925899998,
+    ],
+    [
+        10,
+        null,
+        -67,
+        0.41589120370400001,
+    ],
+    [
+        13,
+        62,
+        5,
+        0.58478009259300001,
+    ],
+    [
+        9,
+        -80,
+        17,
+        0.31964120370400001,
+    ],
+    [
+        8,
+        -162,
+        null,
+        0.22083333333300001,
+    ],
+    [
+        2,
+        -120,
+        -1,
+        '#NUM!',
+    ],
+    [
+        2,
+        -120,
+        null,
+        0.0,
+    ],
+    [
+        2,
+        -120,
+        1,
+        1.1574074E-5,
+    ],
+    [
+        36,
+        1,
+        2,
+        0.50071759259299997,
+    ],
+    [
+        -1,
+        2,
+        3,
+        '#NUM!',
+    ],
+    [
+        -1,
+        61,
+        29,
+        0.001030092593,
+    ],
+    [
+        -1,
+        61,
+        -60,
+        0.0,
+    ],
+    [
+        'A',
+        null,
+        null,
+        '#VALUE!',
+    ],
+    [
+        11,
+        59,
+        0,
+        0.49930555555599998,
+    ],
+    [
+        12,
+        0,
+        0,
+        0.5,
+    ],
+    [
+        16,
+        48,
+        10,
+        0.70011574074100003,
+    ],
+];

tests/data/Calculation/DateTime/TIMEVALUE.php

@@ -0,0 +1,56 @@
+<?php
+
+return [
+    [
+        '12:00:00 am',
+        0,
+    ],
+    [
+        '12:01:02 am',
+        0.00071759299999999999,
+    ],
+    [
+        '12:03 pm',
+        0.50208333299999997,
+    ],
+    [
+        '12:7:11 pm',
+        0.50498842600000005,
+    ],
+    [
+        '4:13:39',
+        0.176145833,
+    ],
+    [
+        '6:20:17 pm',
+        0.76408564800000001,
+    ],
+    [
+        '18:33:27',
+        0.773229167,
+    ],
+    [
+        '31/12/2007 03:27:15',
+        0.14392361100000001,
+    ],
+    [
+        '9:44:55 pm',
+        0.90619212999999998,
+    ],
+    [
+        12,
+        '#VALUE!',
+    ],
+    [
+        '13:01',
+        0.54236111099999995,
+    ],
+    [
+        '33:45',
+        0.40625,
+    ],
+    [
+        '13:01PM',
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/DateTime/WEEKDAY.php

@@ -0,0 +1,130 @@
+<?php
+
+return [
+    [
+        '24-Oct-1968',
+        5,
+    ],
+    [
+        '24-Oct-1968',
+        2,
+        4,
+    ],
+    [
+        '24-Oct-1968',
+        3,
+        3,
+    ],
+    [
+        '2000-06-14',
+        4,
+    ],
+    [
+        '2000-06-14',
+        2,
+        3,
+    ],
+    [
+        '2000-06-14',
+        3,
+        2,
+    ],
+    [
+        '1996-07-24',
+        4,
+    ],
+    [
+        '1996-07-24',
+        2,
+        3,
+    ],
+    [
+        '1996-07-24',
+        3,
+        2,
+    ],
+    [
+        '1996-07-27',
+        7,
+    ],
+    [
+        '1996-07-27',
+        2,
+        6,
+    ],
+    [
+        '1996-07-27',
+        3,
+        5,
+    ],
+    [
+        '1977-7-31',
+        1,
+    ],
+    [
+        '1977-7-31',
+        2,
+        7,
+    ],
+    [
+        '1977-7-31',
+        3,
+        6,
+    ],
+    [
+        '1977-8-1',
+        2,
+    ],
+    [
+        '1977-8-1',
+        2,
+        1,
+    ],
+    [
+        '1977-8-1',
+        3,
+        0,
+    ],
+    [
+        '1900-2-5',
+        2,
+        7,
+    ],
+    [
+        '1900-2-1',
+        1,
+    ],
+    [
+        38093,
+        6,
+    ],
+    [
+        38093,
+        2,
+        5,
+    ],
+    [
+        38093,
+        3,
+        4,
+    ],
+    [
+        '3/7/1977',
+        'A',
+        '#VALUE!',
+    ],
+    [
+        '3/7/1977',
+        0,
+        '#NUM!',
+    ],
+    [
+        'Invalid',
+        1,
+        '#VALUE!',
+    ],
+    [
+        -1,
+        '#NUM!',
+    ],
+];

tests/data/Calculation/DateTime/WEEKNUM.php

@@ -0,0 +1,37 @@
+<?php
+
+return [
+    [
+        '21-Dec-2000',
+        1,
+        52,
+    ],
+    [
+        '1995-01-01',
+        1,
+        1,
+    ],
+    [
+        '3/7/1977',
+        27,
+    ],
+    [
+        '3/7/1977',
+        'A',
+        '#VALUE!',
+    ],
+    [
+        '3/7/1977',
+        0,
+        '#NUM!',
+    ],
+    [
+        'Invalid',
+        1,
+        '#VALUE!',
+    ],
+    [
+        -1,
+        '#NUM!',
+    ],
+];

tests/data/Calculation/DateTime/WORKDAY.php

@@ -0,0 +1,92 @@
+<?php
+
+return [
+    [
+        '1-Jan-2007',
+        'ABC',
+        '#VALUE!',
+    ],
+    [
+        '1-Jan-2007',
+        9,
+        39094,
+    ],
+    [
+        '18-Jun-2008',
+        2,
+        39619,
+    ],
+    [
+        '16-Jun-2008',
+        4,
+        39619,
+    ],
+    [
+        '14-Jun-2008',
+        6,
+        39622,
+    ],
+    [
+        '14-Jun-2008',
+        11,
+        39629,
+    ],
+    [
+        '14-Jun-2008',
+        -2,
+        39611,
+    ],
+    [
+        '14-Jun-2008',
+        -6,
+        39605,
+    ],
+    [
+        '19-Dec-2008',
+        10,
+        39815,
+    ],
+    [
+        '19-Dec-2008',
+        10,
+        '25-Dec-2008',
+        '26-Dec-2008',
+        '01-Jan-2009',
+        39820,
+    ],
+    [
+        '19-Dec-2008',
+        10,
+        [
+            [
+                '25-Dec-2008',
+                '26-Dec-2008',
+                '01-Jan-2009',
+            ],
+        ],
+        39820,
+    ],
+    [
+        39820,
+        -10,
+        [
+            [
+                '25-Dec-2008',
+                '26-Dec-2008',
+                '01-Jan-2009',
+            ],
+        ],
+        39801,
+    ],
+    [
+        '5-Apr-2012',
+        3,
+        [
+            [
+                '6-Apr-2012',
+                '9-Apr-2012',
+            ],
+        ],
+        41010,
+    ],
+];

tests/data/Calculation/DateTime/YEAR.php

@@ -0,0 +1,48 @@
+<?php
+
+return [
+    [
+        null,
+        1900,
+    ],
+    [
+        1,
+        1900,
+    ],
+    [
+        33333.330000000002,
+        1991,
+    ],
+    [
+        22269.0,
+        1960,
+    ],
+    [
+        30348.0,
+        1983,
+    ],
+    [
+        30843.0,
+        1984,
+    ],
+    [
+        '01 Jan 2525',
+        2525,
+    ],
+    [
+        '11-Nov-1918',
+        1918,
+    ],
+    [
+        '28-Feb-1904',
+        1904,
+    ],
+    [
+        -10,
+        '#NUM!',
+    ],
+    [
+        'ABCD',
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/DateTime/YEARFRAC.php

@@ -0,0 +1,394 @@
+<?php
+
+return [
+    [
+        '2007-1-1',
+        '2007-1-10',
+        0,
+        0.025000000000000001,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        1,
+        0.024657534246580001,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        2,
+        0.025000000000000001,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        3,
+        0.024657534246580001,
+    ],
+    [
+        '2007-1-1',
+        '2007-1-10',
+        4,
+        0.025000000000000001,
+    ],
+    [
+        '2007-1-1',
+        '2007-12-31',
+        0,
+        1.0,
+    ],
+    [
+        '2007-1-1',
+        '2007-12-31',
+        1,
+        0.99726027397259998,
+    ],
+    [
+        '2007-1-1',
+        '2007-12-31',
+        2,
+        1.01111111111111,
+    ],
+    [
+        '2007-1-1',
+        '2007-12-31',
+        3,
+        0.99726027397259998,
+    ],
+    [
+        '2007-1-1',
+        '2007-12-31',
+        4,
+        0.99722222222222001,
+    ],
+    [
+        '2007-1-1',
+        '2008-7-1',
+        0,
+        1.5,
+    ],
+    [
+        '2007-1-1',
+        '2008-7-1',
+        1,
+        1.49658002735978,
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+    [
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+        '2008-7-1',
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+    [
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+    [
+        '2007-1-31',
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+    [
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+    [
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+        '2008-6-28',
+        4,
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+    ],
+];

tests/data/Calculation/Engineering/BESSELI.php

@@ -0,0 +1,279 @@
+<?php
+
+return [
+    [
+        1.5,
+        -1,
+        '#NUM!',
+    ],
+    [
+        -1,
+        6,
+        2.249E-5,
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+        2,
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+        'XYZ',
+        '#VALUE!',
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+    [
+        'ABC',
+        3,
+        '#VALUE!',
+    ],
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+        1,
+        -1030.9147225199999,
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+    [
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+        0,
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+        -1,
+        '#NUM!',
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+    [
+        true,
+        1,
+        '#VALUE!',
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+    [
+        1,
+        true,
+        '#VALUE!',
+    ],
+    [
+        21,
+        2,
+        104777847.71856035,
+    ],
+];

tests/data/Calculation/Engineering/BESSELJ.php

@@ -0,0 +1,169 @@
+<?php
+
+return [
+    [
+        1.5,
+        -1,
+        '#NUM!',
+    ],
+    [
+        0,
+        1,
+        0.0,
+    ],
+    [
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+        1,
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+    [
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+    [
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+        'XYZ',
+        '#VALUE!',
+    ],
+    [
+        'ABC',
+        3,
+        '#VALUE!',
+    ],
+    [
+        -3.5,
+        1,
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+    [
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+        1,
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+        1,
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+        2,
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+        2,
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+        1.8999999999999999,
+        2,
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+        0.035000000000000003,
+        2,
+        0.00015311,
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+    [
+        3.5,
+        2,
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+    [
+        4,
+        2,
+        0.36412814999999998,
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+    [
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+        8.8999999999999995E-7,
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+    [
+        0.69999999999999996,
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+    [
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+    [
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+    [
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+    [
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+        2.4680000000000001E-5,
+    ],
+    [
+        3,
+        9,
+        8.4400000000000005E-5,
+    ],
+];

tests/data/Calculation/Engineering/BESSELK.php

@@ -0,0 +1,194 @@
+<?php
+
+return [
+    [
+        1.5,
+        -1,
+        '#NUM!',
+    ],
+    [
+        0,
+        2,
+        '#NUM!',
+    ],
+    [
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+        3,
+        7990.0124327800004,
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+    [
+        1,
+        0,
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+    [
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+        2,
+        '#NUM!',
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+    [
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+        1,
+        0.27738780000000002,
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+    [
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+        2,
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+    [
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+    [
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+        9,
+        397.95880105999998,
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+    [
+        3.5,
+        2,
+        0.032307120000000002,
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+    [
+        1.5,
+        'XYZ',
+        '#VALUE!',
+    ],
+    [
+        'ABC',
+        3,
+        '#VALUE!',
+    ],
+    [
+        -3.5,
+        1,
+        '#NUM!',
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+    [
+        -0.73499999999999999,
+        1,
+        '#NUM!',
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+    [
+        0,
+        1,
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+    [
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+        1,
+        28.50197,
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+    [
+        1.5,
+        1,
+        0.27738780000000002,
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+        1,
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+    [
+        3.5,
+        1,
+        0.022239390000000001,
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+    [
+        -9,
+        2,
+        '#NUM!',
+    ],
+    [
+        -0.73499999999999999,
+        2,
+        '#NUM!',
+    ],
+    [
+        0,
+        2,
+        '#NUM!',
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+        2,
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+    [
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+    ],
+];

tests/data/Calculation/Engineering/BESSELY.php

@@ -0,0 +1,119 @@
+<?php
+
+return [
+    [
+        1.5,
+        -1,
+        '#NUM!',
+    ],
+    [
+        2.5,
+        0,
+        0.49807035999999999,
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+    [
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+    [
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+        'XYZ',
+        '#VALUE!',
+    ],
+    [
+        'ABC',
+        3,
+        '#VALUE!',
+    ],
+    [
+        -3.5,
+        1,
+        '#NUM!',
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+    [
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+        '#NUM!',
+    ],
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+        1,
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+        1,
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+        1,
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+    [
+        3.5,
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+    ],
+    [
+        -9,
+        2,
+        '#NUM!',
+    ],
+    [
+        -0.73499999999999999,
+        2,
+        '#NUM!',
+    ],
+    [
+        0,
+        2,
+        '#NUM!',
+    ],
+    [
+        0.90000000000000002,
+        2,
+        -1.9459096,
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+    [
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+    ],
+    [
+        4,
+        5,
+        -0.79585141999999998,
+    ],
+];

tests/data/Calculation/Engineering/BIN2DEC.php

@@ -0,0 +1,49 @@
+<?php
+
+return [
+    [
+        '10110010',
+        '178',
+    ],
+    [
+        '1100100',
+        '100',
+    ],
+    // Too large
+    [
+        '111001010101',
+        '#NUM!',
+    ],
+    [
+        '101',
+        '5',
+    ],
+    [
+        '10',
+        '2',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    // Invalid binary number
+    [
+        '21',
+        '#NUM!',
+    ],
+    // Non string
+    [
+        true,
+        '#VALUE!',
+    ],
+    // 2's Complement
+    [
+        '1110010101',
+        '-107',
+    ],
+    // 2's Complement
+    [
+        '1111111111',
+        '-1',
+    ],
+];

tests/data/Calculation/Engineering/BIN2HEX.php

@@ -0,0 +1,73 @@
+<?php
+
+return [
+    [
+        '10110010',
+        'B2',
+    ],
+    // Too large
+    [
+        '111001010101',
+        '#NUM!',
+    ],
+    // Leading places
+    [
+        '11111011',
+        4,
+        '00FB',
+    ],
+    // Leading places as a float
+    [
+        '11111011',
+        3.75,
+        '0FB',
+    ],
+    // Leading places negative
+    [
+        '11111011',
+        -1,
+        '#NUM!',
+    ],
+    // Leading places non-numeric
+    [
+        '11111011',
+        'ABC',
+        '#VALUE!',
+    ],
+    [
+        '1110',
+        'E',
+    ],
+    [
+        '101',
+        '5',
+    ],
+    [
+        '10',
+        '2',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    // Invalid binary number
+    [
+        '21',
+        '#NUM!',
+    ],
+    // Non string
+    [
+        true,
+        '#VALUE!',
+    ],
+    // 2's Complement
+    [
+        '1110010101',
+        'FFFFFFFF95',
+    ],
+    // 2's Complement
+    [
+        '1111111111',
+        'FFFFFFFFFF',
+    ],
+];

tests/data/Calculation/Engineering/BIN2OCT.php

@@ -0,0 +1,77 @@
+<?php
+
+return [
+    [
+        '1100100',
+        '144',
+    ],
+    [
+        '10110010',
+        '262',
+    ],
+    // Too large
+    [
+        '111001010101',
+        '#NUM!',
+    ],
+    // Leading places
+    [
+        '1001',
+        3,
+        '011',
+    ],
+    // Leading places as a float
+    [
+        '1001',
+        4.75,
+        '0011',
+    ],
+    // Leading places negative
+    [
+        '1001',
+        -1,
+        '#NUM!',
+    ],
+    // Leading places non-numeric
+    [
+        '1001',
+        'ABC',
+        '#VALUE!',
+    ],
+    [
+        '00000010',
+        '2',
+    ],
+    [
+        '00000101',
+        '5',
+    ],
+    [
+        '00001101',
+        '15',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    // Invalid binary number
+    [
+        '21',
+        '#NUM!',
+    ],
+    // Non string
+    [
+        true,
+        '#VALUE!',
+    ],
+    // 2's Complement
+    [
+        '1110010101',
+        '7777777625',
+    ],
+    // 2's Complement
+    [
+        '1111111111',
+        '7777777777',
+    ],
+];

tests/data/Calculation/Engineering/CONVERTUOM.php

@@ -0,0 +1,148 @@
+<?php
+
+return [
+    [
+        1.0,
+        'lbm',
+        'kg',
+        0.45359230974880999,
+    ],
+    [
+        123.45,
+        'kg',
+        'kg',
+        123.45,
+    ],
+    [
+        68,
+        'F',
+        'C',
+        20,
+    ],
+    [
+        20,
+        'C',
+        'F',
+        68,
+    ],
+    [
+        68,
+        'F',
+        'K',
+        293.14999999999998,
+    ],
+    [
+        293.14999999999998,
+        'K',
+        'F',
+        68,
+    ],
+    [
+        22,
+        'C',
+        'K',
+        295.14999999999998,
+    ],
+    [
+        295.64999999999998,
+        'K',
+        'C',
+        22.5,
+    ],
+    [
+        2.5,
+        'ft',
+        'sec',
+        '#N/A',
+    ],
+    [
+        12345,
+        'm',
+        'km',
+        12.345000000000001,
+    ],
+    [
+        12.345000000000001,
+        'km',
+        'm',
+        12345,
+    ],
+    [
+        1,
+        'km',
+        'mi',
+        0.62137119223732995,
+    ],
+    [
+        'three',
+        'ft',
+        'yds',
+        '#VALUE!',
+    ],
+    [
+        123.45,
+        'K',
+        'kel',
+        123.45,
+    ],
+    [
+        123.45,
+        'C',
+        'cel',
+        123.45,
+    ],
+    [
+        123.45,
+        'F',
+        'fah',
+        123.45,
+    ],
+    [
+        1,
+        'ft',
+        'day',
+        '#N/A',
+    ],
+    [
+        123.45,
+        'm',
+        'm',
+        123.45,
+    ],
+    [
+        234.56,
+        'km',
+        'km',
+        234.56,
+    ],
+    [
+        234.56,
+        'kpt',
+        'lt',
+        '#N/A',
+    ],
+    [
+        234.56,
+        'sm',
+        'm',
+        '#N/A',
+    ],
+    [
+        234.56,
+        'lt',
+        'kpt',
+        '#N/A',
+    ],
+    [
+        234.56,
+        'm',
+        'sm',
+        '#N/A',
+    ],
+    [
+        12.345000000000001,
+        'km',
+        'mm',
+        12345000,
+    ],
+];

tests/data/Calculation/Engineering/DEC2BIN.php

@@ -0,0 +1,91 @@
+<?php
+
+return [
+    [
+        357,
+        '101100101',
+    ],
+    // Too large
+    [
+        512,
+        '#NUM!',
+    ],
+    // Too small
+    [
+        -513,
+        '#NUM!',
+    ],
+    [
+        9,
+        4,
+        '1001',
+    ],
+    [
+        9,
+        8,
+        '00001001',
+    ],
+    // Leading places as a float
+    [
+        9,
+        6.75,
+        '001001',
+    ],
+    // Leading places negative
+    [
+        9,
+        -1,
+        '#NUM!',
+    ],
+    // Leading places non-numeric
+    [
+        9,
+        'ABC',
+        '#VALUE!',
+    ],
+    [
+        246,
+        '11110110',
+    ],
+    [
+        12345,
+        '#NUM!',
+    ],
+    [
+        123456789,
+        '#NUM!',
+    ],
+    [
+        123.45,
+        '1111011',
+    ],
+    [
+        0,
+        '0',
+    ],
+    // Invalid decimal
+    [
+        '3579A',
+        '#VALUE!',
+    ],
+    // Non string
+    [
+        true,
+        '#VALUE!',
+    ],
+    // 2's Complement
+    [
+        -100,
+        '1110011100',
+    ],
+    // 2's Complement
+    [
+        -107,
+        '1110010101',
+    ],
+    // 2's Complement
+    [
+        -512,
+        '1000000000',
+    ],
+];

tests/data/Calculation/Engineering/DEC2HEX.php

@@ -0,0 +1,75 @@
+<?php
+
+return [
+    [
+        '357',
+        '165',
+    ],
+    [
+        '1357',
+        '54D',
+    ],
+    [
+        '246',
+        'F6',
+    ],
+    [
+        '12345',
+        '3039',
+    ],
+    [
+        '123456789',
+        '75BCD15',
+    ],
+    [
+        '100',
+        4,
+        '0064',
+    ],
+    // Leading places as a float
+    [
+        '100',
+        5.75,
+        '00064',
+    ],
+    // Leading places negative
+    [
+        '100',
+        -1,
+        '#NUM!',
+    ],
+    // Leading places non-numeric
+    [
+        '100',
+        'ABC',
+        '#VALUE!',
+    ],
+    [
+        '123.45',
+        '7B',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    // Invalid decimal
+    [
+        '3579A',
+        '#VALUE!',
+    ],
+    // Non string
+    [
+        true,
+        '#VALUE!',
+    ],
+    // 2's Complement
+    [
+        '-54',
+        'FFFFFFFFCA',
+    ],
+    // 2's Complement
+    [
+        '-107',
+        'FFFFFFFF95',
+    ],
+];

tests/data/Calculation/Engineering/DEC2OCT.php

@@ -0,0 +1,57 @@
+<?php
+
+return [
+    [
+        '357',
+        '545',
+    ],
+    [
+        '1357',
+        '2515',
+    ],
+    [
+        '246',
+        '366',
+    ],
+    [
+        '12345',
+        '30071',
+    ],
+    [
+        '123456789',
+        '726746425',
+    ],
+    [
+        '123.45',
+        '173',
+    ],
+    [
+        '58',
+        3,
+        '072',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    // Invalid decimal
+    [
+        '3579A',
+        '#VALUE!',
+    ],
+    // Non string
+    [
+        true,
+        '#VALUE!',
+    ],
+    // 2's Complement
+    [
+        '-100',
+        '7777777634',
+    ],
+    // 2's Complement
+    [
+        '-107',
+        '7777777625',
+    ],
+];

tests/data/Calculation/Engineering/DELTA.php

@@ -0,0 +1,129 @@
+<?php
+
+return [
+    [
+        -1.5,
+        -1.5,
+        1,
+    ],
+    [
+        -0.75,
+        -1.5,
+        0,
+    ],
+    [
+        0,
+        -1.5,
+        0,
+    ],
+    [
+        0.75,
+        -1.5,
+        0,
+    ],
+    [
+        1.5,
+        -1.5,
+        0,
+    ],
+    [
+        -1.5,
+        -0.75,
+        0,
+    ],
+    [
+        -0.75,
+        -0.75,
+        1,
+    ],
+    [
+        0,
+        -0.75,
+        0,
+    ],
+    [
+        0.75,
+        -0.75,
+        0,
+    ],
+    [
+        1.5,
+        -0.75,
+        0,
+    ],
+    [
+        -1.5,
+        0,
+        0,
+    ],
+    [
+        -0.75,
+        0,
+        0,
+    ],
+    [
+        0,
+        0,
+        1,
+    ],
+    [
+        0.75,
+        0,
+        0,
+    ],
+    [
+        1.5,
+        0,
+        0,
+    ],
+    [
+        -1.5,
+        0.75,
+        0,
+    ],
+    [
+        -0.75,
+        0.75,
+        0,
+    ],
+    [
+        0,
+        0.75,
+        0,
+    ],
+    [
+        0.75,
+        0.75,
+        1,
+    ],
+    [
+        1.5,
+        0.75,
+        0,
+    ],
+    [
+        -1.5,
+        1.5,
+        0,
+    ],
+    [
+        -0.75,
+        1.5,
+        0,
+    ],
+    [
+        0,
+        1.5,
+        0,
+    ],
+    [
+        0.75,
+        1.5,
+        0,
+    ],
+    [
+        1.5,
+        1.5,
+        1,
+    ],
+];

tests/data/Calculation/Engineering/ERF.php

@@ -0,0 +1,581 @@
+<?php
+
+//  lower, bound, upper bound, Result
+
+return [
+    [
+        0,
+        0.0,
+    ],
+    [
+        0.01,
+        0.0112834155558496,
+    ],
+    [
+        0.050000000000000003,
+        0.056371977797016602,
+    ],
+    [
+        0.10000000000000001,
+        0.11246291601828499,
+    ],
+    [
+        0.125,
+        0.140316204801334,
+    ],
+    [
+        0.14999999999999999,
+        0.167995971427363,
+    ],
+    [
+        0.20000000000000001,
+        0.222702589210478,
+    ],
+    [
+        0.25,
+        0.27632639016823701,
+    ],
+    [
+        0.29999999999999999,
+        0.328626759459127,
+    ],
+    [
+        0.34999999999999998,
+        0.37938205356230997,
+    ],
+    [
+        0.40000000000000002,
+        0.42839235504666801,
+    ],
+    [
+        0.45000000000000001,
+        0.475481719786924,
+    ],
+    [
+        0.5,
+        0.52049987781304696,
+    ],
+    [
+        0.59999999999999998,
+        0.60385609084792602,
+    ],
+    [
+        0.69999999999999996,
+        0.67780119383741799,
+    ],
+    [
+        0.80000000000000004,
+        0.74210096470766096,
+    ],
+    [
+        0.90000000000000002,
+        0.79690821242283205,
+    ],
+    [
+        1,
+        0.84270079294971501,
+    ],
+    [
+        1.1000000000000001,
+        0.88020506957408196,
+    ],
+    [
+        1.2,
+        0.910313978229635,
+    ],
+    [
+        1.3,
+        0.93400794494065198,
+    ],
+    [
+        1.3999999999999999,
+        0.95228511976264896,
+    ],
+    [
+        1.5,
+        0.96610514647531098,
+    ],
+    [
+        1.75,
+        0.98667167121918198,
+    ],
+    [
+        2,
+        0.99532226501895305,
+    ],
+    [
+        2.5,
+        0.99959304798255499,
+    ],
+    [
+        3,
+        0.99997790950300103,
+    ],
+    [
+        3.5,
+        0.99999925690162805,
+    ],
+    [
+        4,
+        0.99999998458274197,
+    ],
+    [
+        4.5,
+        0.99999999980338405,
+    ],
+    [
+        5,
+        0.99999999999846301,
+    ],
+    [
+        5.5,
+        0.99999999999999301,
+    ],
+    [
+        6,
+        1.0,
+    ],
+    [
+        32,
+        1.0,
+    ],
+    [
+        -0.10000000000000001,
+        -0.11246291601828499,
+    ],
+    [
+        -1,
+        -0.84270079294971501,
+    ],
+    [
+        true,
+        '#VALUE!',
+    ],
+    [
+        false,
+        '#VALUE!',
+    ],
+    [
+        '2',
+        0.99532226501895305,
+    ],
+    [
+        'TWO',
+        '#VALUE!',
+    ],
+    [
+        -1.5,
+        -1.5,
+        0.0,
+    ],
+    [
+        -0.75,
+        -1.5,
+        -0.25494951282179601,
+    ],
+    [
+        0,
+        -1.5,
+        -0.96610514647531098,
+    ],
+    [
+        0.75,
+        -1.5,
+        -1.67726078012883,
+    ],
+    [
+        1.5,
+        -1.5,
+        -1.93221029295062,
+    ],
+    [
+        2.25,
+        -1.5,
+        -1.96464242988863,
+    ],
+    [
+        3,
+        -1.5,
+        -1.96608305597831,
+    ],
+    [
+        3.75,
+        -1.5,
+        -1.96610503274805,
+    ],
+    [
+        4.5,
+        -1.5,
+        -1.96610514627869,
+    ],
+    [
+        -1.5,
+        -0.75,
+        0.25494951282179601,
+    ],
+    [
+        -0.75,
+        -0.75,
+        0.0,
+    ],
+    [
+        0,
+        -0.75,
+        -0.71115563365351497,
+    ],
+    [
+        0.75,
+        -0.75,
+        -1.4223112673070299,
+    ],
+    [
+        1.5,
+        -0.75,
+        -1.67726078012883,
+    ],
+    [
+        2.25,
+        -0.75,
+        -1.70969291706683,
+    ],
+    [
+        3,
+        -0.75,
+        -1.71113354315652,
+    ],
+    [
+        3.75,
+        -0.75,
+        -1.71115551992626,
+    ],
+    [
+        4.5,
+        -0.75,
+        -1.7111556334569,
+    ],
+    [
+        -1.5,
+        0,
+        0.96610514647531098,
+    ],
+    [
+        -0.75,
+        0,
+        0.71115563365351497,
+    ],
+    [
+        0,
+        0,
+        0.0,
+    ],
+    [
+        0.75,
+        0,
+        -0.71115563365351497,
+    ],
+    [
+        1.5,
+        0,
+        -0.96610514647531098,
+    ],
+    [
+        2.25,
+        0,
+        -0.99853728341331904,
+    ],
+    [
+        3,
+        0,
+        -0.99997790950300103,
+    ],
+    [
+        3.75,
+        0,
+        -0.99999988627274305,
+    ],
+    [
+        4.5,
+        0,
+        -0.99999999980338405,
+    ],
+    [
+        -1.5,
+        0.75,
+        1.67726078012883,
+    ],
+    [
+        -0.75,
+        0.75,
+        1.4223112673070299,
+    ],
+    [
+        0,
+        0.75,
+        0.71115563365351497,
+    ],
+    [
+        0.75,
+        0.75,
+        0.0,
+    ],
+    [
+        1.5,
+        0.75,
+        -0.25494951282179601,
+    ],
+    [
+        2.25,
+        0.75,
+        -0.28738164975980401,
+    ],
+    [
+        3,
+        0.75,
+        -0.288822275849486,
+    ],
+    [
+        3.75,
+        0.75,
+        -0.28884425261922803,
+    ],
+    [
+        4.5,
+        0.75,
+        -0.28884436614986903,
+    ],
+    [
+        -1.5,
+        1.5,
+        1.93221029295062,
+    ],
+    [
+        -0.75,
+        1.5,
+        1.67726078012883,
+    ],
+    [
+        0,
+        1.5,
+        0.96610514647531098,
+    ],
+    [
+        0.75,
+        1.5,
+        0.25494951282179601,
+    ],
+    [
+        1.5,
+        1.5,
+        0.0,
+    ],
+    [
+        2.25,
+        1.5,
+        -0.032432136938008102,
+    ],
+    [
+        3,
+        1.5,
+        -0.0338727630276906,
+    ],
+    [
+        3.75,
+        1.5,
+        -0.033894739797432599,
+    ],
+    [
+        4.5,
+        1.5,
+        -0.033894853328073203,
+    ],
+    [
+        -1.5,
+        2.25,
+        1.96464242988863,
+    ],
+    [
+        -0.75,
+        2.25,
+        1.70969291706683,
+    ],
+    [
+        0,
+        2.25,
+        0.99853728341331904,
+    ],
+    [
+        0.75,
+        2.25,
+        0.28738164975980401,
+    ],
+    [
+        1.5,
+        2.25,
+        0.032432136938008102,
+    ],
+    [
+        2.25,
+        2.25,
+        0.0,
+    ],
+    [
+        3,
+        2.25,
+        -0.0014406260896824999,
+    ],
+    [
+        3.75,
+        2.25,
+        -0.0014626028594246,
+    ],
+    [
+        4.5,
+        2.25,
+        -0.0014627163900651,
+    ],
+    [
+        -1.5,
+        3,
+        1.96608305597831,
+    ],
+    [
+        -0.75,
+        3,
+        1.71113354315652,
+    ],
+    [
+        0,
+        3,
+        0.99997790950300103,
+    ],
+    [
+        0.75,
+        3,
+        0.288822275849486,
+    ],
+    [
+        1.5,
+        3,
+        0.0338727630276906,
+    ],
+    [
+        2.25,
+        3,
+        0.0014406260896824999,
+    ],
+    [
+        3,
+        3,
+        0.0,
+    ],
+    [
+        3.75,
+        3,
+        -2.1976769741999999E-5,
+    ],
+    [
+        4.5,
+        3,
+        -2.2090300382599999E-5,
+    ],
+    [
+        -1.5,
+        3.75,
+        1.96610503274805,
+    ],
+    [
+        -0.75,
+        3.75,
+        1.71115551992626,
+    ],
+    [
+        0,
+        3.75,
+        0.99999988627274305,
+    ],
+    [
+        0.75,
+        3.75,
+        0.28884425261922803,
+    ],
+    [
+        1.5,
+        3.75,
+        0.033894739797432599,
+    ],
+    [
+        2.25,
+        3.75,
+        0.0014626028594246,
+    ],
+    [
+        3,
+        3.75,
+        2.1976769741999999E-5,
+    ],
+    [
+        3.75,
+        3.75,
+        0.0,
+    ],
+    [
+        4.5,
+        3.75,
+        -1.135306406E-7,
+    ],
+    [
+        -1.5,
+        4.5,
+        1.96610514627869,
+    ],
+    [
+        -0.75,
+        4.5,
+        1.7111556334569,
+    ],
+    [
+        0,
+        4.5,
+        0.99999999980338405,
+    ],
+    [
+        0.75,
+        4.5,
+        0.28884436614986903,
+    ],
+    [
+        1.5,
+        4.5,
+        0.033894853328073203,
+    ],
+    [
+        2.25,
+        4.5,
+        0.0014627163900651,
+    ],
+    [
+        3,
+        4.5,
+        2.2090300382599999E-5,
+    ],
+    [
+        3.75,
+        4.5,
+        1.135306406E-7,
+    ],
+    [
+        4.5,
+        4.5,
+        0.0,
+    ],
+    [
+        5,
+        -1,
+        -1.84270079294818,
+    ],
+    [
+        -5,
+        1,
+        1.84270079294818,
+    ],
+];

tests/data/Calculation/Engineering/ERFC.php

@@ -0,0 +1,166 @@
+<?php
+
+//  x value, Result
+
+return [
+    [
+        0,
+        1.0,
+    ],
+    [
+        0.01,
+        0.98871658444415,
+    ],
+    [
+        0.050000000000000003,
+        0.94362802220298303,
+    ],
+    [
+        0.10000000000000001,
+        0.88753708398171505,
+    ],
+    [
+        0.125,
+        0.859683795198666,
+    ],
+    [
+        0.14999999999999999,
+        0.832004028572636,
+    ],
+    [
+        0.20000000000000001,
+        0.77729741078952197,
+    ],
+    [
+        0.25,
+        0.72367360983176299,
+    ],
+    [
+        0.29999999999999999,
+        0.671373240540873,
+    ],
+    [
+        0.34999999999999998,
+        0.62061794643768997,
+    ],
+    [
+        0.40000000000000002,
+        0.57160764495333205,
+    ],
+    [
+        0.45000000000000001,
+        0.524518280213076,
+    ],
+    [
+        0.5,
+        0.47950012218695298,
+    ],
+    [
+        0.59999999999999998,
+        0.39614390915207398,
+    ],
+    [
+        0.69999999999999996,
+        0.32219880616258201,
+    ],
+    [
+        0.80000000000000004,
+        0.25789903529233899,
+    ],
+    [
+        0.90000000000000002,
+        0.203091787577168,
+    ],
+    [
+        1,
+        0.15729920705028499,
+    ],
+    [
+        1.1000000000000001,
+        0.119794930425918,
+    ],
+    [
+        1.2,
+        0.089686021770364596,
+    ],
+    [
+        1.3,
+        0.065992055059347507,
+    ],
+    [
+        1.3999999999999999,
+        0.047714880237351202,
+    ],
+    [
+        1.5,
+        0.033894853524689302,
+    ],
+    [
+        1.75,
+        0.0133283287808176,
+    ],
+    [
+        2,
+        0.0046777349810473001,
+    ],
+    [
+        2.5,
+        0.00040695201744500001,
+    ],
+    [
+        3,
+        2.20904969986E-5,
+    ],
+    [
+        3.5,
+        7.4309837229999996E-7,
+    ],
+    [
+        4,
+        1.54172579E-8,
+    ],
+    [
+        4.5,
+        1.9661600000000001E-10,
+    ],
+    [
+        5,
+        1.5375000000000001E-12,
+    ],
+    [
+        5.5,
+        7.4000000000000003E-15,
+    ],
+    [
+        6,
+        0.0,
+    ],
+    [
+        32,
+        0.0,
+    ],
+    [
+        -0.10000000000000001,
+        1.1124629160182899,
+    ],
+    [
+        -1,
+        1.8427007929497099,
+    ],
+    [
+        true,
+        '#VALUE!',
+    ],
+    [
+        false,
+        '#VALUE!',
+    ],
+    [
+        '2',
+        0.0046777349810473001,
+    ],
+    [
+        'TWO',
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/Engineering/GESTEP.php

@@ -0,0 +1,409 @@
+<?php
+
+return [
+    [
+        -1.5,
+        -1.5,
+        1,
+    ],
+    [
+        -0.75,
+        -1.5,
+        1,
+    ],
+    [
+        0,
+        -1.5,
+        1,
+    ],
+    [
+        0.75,
+        -1.5,
+        1,
+    ],
+    [
+        1.5,
+        -1.5,
+        1,
+    ],
+    [
+        2.25,
+        -1.5,
+        1,
+    ],
+    [
+        3,
+        -1.5,
+        1,
+    ],
+    [
+        3.75,
+        -1.5,
+        1,
+    ],
+    [
+        4.5,
+        -1.5,
+        1,
+    ],
+    [
+        -1.5,
+        -0.75,
+        0,
+    ],
+    [
+        -0.75,
+        -0.75,
+        1,
+    ],
+    [
+        0,
+        -0.75,
+        1,
+    ],
+    [
+        0.75,
+        -0.75,
+        1,
+    ],
+    [
+        1.5,
+        -0.75,
+        1,
+    ],
+    [
+        2.25,
+        -0.75,
+        1,
+    ],
+    [
+        3,
+        -0.75,
+        1,
+    ],
+    [
+        3.75,
+        -0.75,
+        1,
+    ],
+    [
+        4.5,
+        -0.75,
+        1,
+    ],
+    [
+        -1.5,
+        0,
+        0,
+    ],
+    [
+        -0.75,
+        0,
+        0,
+    ],
+    [
+        0,
+        0,
+        1,
+    ],
+    [
+        0.75,
+        0,
+        1,
+    ],
+    [
+        1.5,
+        0,
+        1,
+    ],
+    [
+        2.25,
+        0,
+        1,
+    ],
+    [
+        3,
+        0,
+        1,
+    ],
+    [
+        3.75,
+        0,
+        1,
+    ],
+    [
+        4.5,
+        0,
+        1,
+    ],
+    [
+        -1.5,
+        0.75,
+        0,
+    ],
+    [
+        -0.75,
+        0.75,
+        0,
+    ],
+    [
+        0,
+        0.75,
+        0,
+    ],
+    [
+        0.75,
+        0.75,
+        1,
+    ],
+    [
+        1.5,
+        0.75,
+        1,
+    ],
+    [
+        2.25,
+        0.75,
+        1,
+    ],
+    [
+        3,
+        0.75,
+        1,
+    ],
+    [
+        3.75,
+        0.75,
+        1,
+    ],
+    [
+        4.5,
+        0.75,
+        1,
+    ],
+    [
+        -1.5,
+        1.5,
+        0,
+    ],
+    [
+        -0.75,
+        1.5,
+        0,
+    ],
+    [
+        0,
+        1.5,
+        0,
+    ],
+    [
+        0.75,
+        1.5,
+        0,
+    ],
+    [
+        1.5,
+        1.5,
+        1,
+    ],
+    [
+        2.25,
+        1.5,
+        1,
+    ],
+    [
+        3,
+        1.5,
+        1,
+    ],
+    [
+        3.75,
+        1.5,
+        1,
+    ],
+    [
+        4.5,
+        1.5,
+        1,
+    ],
+    [
+        -1.5,
+        2.25,
+        0,
+    ],
+    [
+        -0.75,
+        2.25,
+        0,
+    ],
+    [
+        0,
+        2.25,
+        0,
+    ],
+    [
+        0.75,
+        2.25,
+        0,
+    ],
+    [
+        1.5,
+        2.25,
+        0,
+    ],
+    [
+        2.25,
+        2.25,
+        1,
+    ],
+    [
+        3,
+        2.25,
+        1,
+    ],
+    [
+        3.75,
+        2.25,
+        1,
+    ],
+    [
+        4.5,
+        2.25,
+        1,
+    ],
+    [
+        -1.5,
+        3,
+        0,
+    ],
+    [
+        -0.75,
+        3,
+        0,
+    ],
+    [
+        0,
+        3,
+        0,
+    ],
+    [
+        0.75,
+        3,
+        0,
+    ],
+    [
+        1.5,
+        3,
+        0,
+    ],
+    [
+        2.25,
+        3,
+        0,
+    ],
+    [
+        3,
+        3,
+        1,
+    ],
+    [
+        3.75,
+        3,
+        1,
+    ],
+    [
+        4.5,
+        3,
+        1,
+    ],
+    [
+        -1.5,
+        3.75,
+        0,
+    ],
+    [
+        -0.75,
+        3.75,
+        0,
+    ],
+    [
+        0,
+        3.75,
+        0,
+    ],
+    [
+        0.75,
+        3.75,
+        0,
+    ],
+    [
+        1.5,
+        3.75,
+        0,
+    ],
+    [
+        2.25,
+        3.75,
+        0,
+    ],
+    [
+        3,
+        3.75,
+        0,
+    ],
+    [
+        3.75,
+        3.75,
+        1,
+    ],
+    [
+        4.5,
+        3.75,
+        1,
+    ],
+    [
+        -1.5,
+        4.5,
+        0,
+    ],
+    [
+        -0.75,
+        4.5,
+        0,
+    ],
+    [
+        0,
+        4.5,
+        0,
+    ],
+    [
+        0.75,
+        4.5,
+        0,
+    ],
+    [
+        1.5,
+        4.5,
+        0,
+    ],
+    [
+        2.25,
+        4.5,
+        0,
+    ],
+    [
+        3,
+        4.5,
+        0,
+    ],
+    [
+        3.75,
+        4.5,
+        0,
+    ],
+    [
+        4.5,
+        4.5,
+        1,
+    ],
+];

tests/data/Calculation/Engineering/HEX2BIN.php

@@ -0,0 +1,71 @@
+<?php
+
+return [
+    [
+        'FF',
+        '11111111',
+    ],
+    [
+        '1FF',
+        '111111111',
+    ],
+    [
+        '200',
+        '#NUM!',
+    ],
+    // 2's Complement
+    [
+        'FFFFFFFE00',
+        '1000000000',
+    ],
+    // 2's Complement
+    [
+        'FFFFFFFDFF',
+        '#NUM!',
+    ],
+    [
+        '01AB',
+        '110101011',
+    ],
+    [
+        'ABCD',
+        '#NUM!',
+    ],
+    [
+        'F6',
+        '11110110',
+    ],
+    [
+        'F',
+        8,
+        '00001111',
+    ],
+    [
+        'B7',
+        '10110111',
+    ],
+    [
+        '12345',
+        '#NUM!',
+    ],
+    [
+        '123456789',
+        '#NUM!',
+    ],
+    [
+        '123.45',
+        '#NUM!',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    [
+        'G3579A',
+        '#NUM!',
+    ],
+    [
+        true,
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/Engineering/HEX2DEC.php

@@ -0,0 +1,67 @@
+<?php
+
+return [
+    [
+        '01AB',
+        '427',
+    ],
+    [
+        'ABCD',
+        '43981',
+    ],
+    [
+        'F6',
+        '246',
+    ],
+    [
+        '12345',
+        '74565',
+    ],
+    [
+        '123456789',
+        '4886718345',
+    ],
+    [
+        '123.45',
+        '#NUM!',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    [
+        'G3579A',
+        '#NUM!',
+    ],
+    [
+        true,
+        '#VALUE!',
+    ],
+    [
+        '-107',
+        '#NUM!',
+    ],
+    [
+        'A5',
+        '165',
+    ],
+    [
+        '3DA408B9',
+        '1034160313',
+    ],
+    // 2's Complement
+    [
+        'FFFFFFFF5B',
+        '-165',
+    ],
+    // 2's Complement
+    [
+        'FFFFFFFFFF',
+        '-1',
+    ],
+    // Too large
+    [
+        '1FFFFFFFFFF',
+        '#NUM!',
+    ],
+];

tests/data/Calculation/Engineering/HEX2OCT.php

@@ -0,0 +1,58 @@
+<?php
+
+return [
+    [
+        '01AB',
+        '653',
+    ],
+    [
+        'ABCD',
+        '125715',
+    ],
+    [
+        'F6',
+        '366',
+    ],
+    [
+        '3B4E',
+        '35516',
+    ],
+    [
+        'F',
+        3,
+        '017',
+    ],
+    [
+        '12345',
+        '221505',
+    ],
+    [
+        '123456789',
+        '#NUM!',
+    ],
+    [
+        '123.45',
+        '#NUM!',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    [
+        'G3579A',
+        '#NUM!',
+    ],
+    [
+        true,
+        '#VALUE!',
+    ],
+    [
+        '-107',
+        '#NUM!',
+    ],
+    // 2's Complement
+    [
+        'FFFFFFFF00',
+        '7777777400',
+    ],
+];

tests/data/Calculation/Engineering/IMABS.php

@@ -0,0 +1,112 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        13.58029822942,
+    ],
+    [
+        '1.234E-5+6.78E9i',
+        6780000000.0,
+    ],
+    [
+        '3.5+2.5i',
+        4.3011626335209998,
+    ],
+    [
+        '3.5+i',
+        3.6400549446400001,
+    ],
+    [
+        '3.5',
+        3.5,
+    ],
+    [
+        '3.5-i',
+        3.6400549446400001,
+    ],
+    [
+        '3.5-2.5i',
+        4.3011626335209998,
+    ],
+    [
+        '1+2.5i',
+        2.6925824035670001,
+    ],
+    [
+        '1+i',
+        1.4142135623730001,
+    ],
+    [
+        '1',
+        1,
+    ],
+    [
+        '1-i',
+        1.4142135623730001,
+    ],
+    [
+        '1-2.5i',
+        2.6925824035670001,
+    ],
+    [
+        '2.5i',
+        2.5,
+    ],
+    [
+        'i',
+        1,
+    ],
+    [
+        '0',
+        0,
+    ],
+    [
+        '-i',
+        1,
+    ],
+    [
+        '-2.5i',
+        2.5,
+    ],
+    [
+        '-1+2.5i',
+        2.6925824035670001,
+    ],
+    [
+        '-1+i',
+        1.4142135623730001,
+    ],
+    [
+        '-1',
+        1,
+    ],
+    [
+        '-1-i',
+        1.4142135623730001,
+    ],
+    [
+        '-1-2.5i',
+        2.6925824035670001,
+    ],
+    [
+        '-3.5+2.5i',
+        4.3011626335209998,
+    ],
+    [
+        '-3.5+i',
+        3.6400549446400001,
+    ],
+    [
+        '-3.5',
+        3.5,
+    ],
+    [
+        '-3.5-i',
+        3.6400549446400001,
+    ],
+    [
+        '-3.5-2.5i',
+        4.3011626335209998,
+    ],
+];

tests/data/Calculation/Engineering/IMAGINARY.php

@@ -0,0 +1,124 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        5.6699999999999999,
+    ],
+    [
+        '1.234E-5+6.78E9i',
+        6780000000.0,
+    ],
+    [
+        '3.5+2.5i',
+        2.5,
+    ],
+    [
+        '3.5+i',
+        1,
+    ],
+    [
+        '3.5',
+        0,
+    ],
+    [
+        '3.5-i',
+        -1,
+    ],
+    [
+        '3.5-2.5i',
+        -2.5,
+    ],
+    [
+        '1+2.5i',
+        2.5,
+    ],
+    [
+        '1+i',
+        1,
+    ],
+    [
+        '1',
+        0,
+    ],
+    [
+        1,
+        0,
+    ],
+    [
+        '1-i',
+        -1,
+    ],
+    [
+        '1-2.5i',
+        -2.5,
+    ],
+    [
+        '2.5i',
+        2.5,
+    ],
+    [
+        'i',
+        1,
+    ],
+    [
+        '0',
+        0,
+    ],
+    [
+        0,
+        0,
+    ],
+    [
+        0.0,
+        0,
+    ],
+    [
+        '-i',
+        -1,
+    ],
+    [
+        '-2.5i',
+        -2.5,
+    ],
+    [
+        '-1+2.5i',
+        2.5,
+    ],
+    [
+        '-1+i',
+        1,
+    ],
+    [
+        '-1',
+        0,
+    ],
+    [
+        '-1-i',
+        -1,
+    ],
+    [
+        '-1-2.5i',
+        -2.5,
+    ],
+    [
+        '-3.5+2.5i',
+        2.5,
+    ],
+    [
+        '-3.5+i',
+        1,
+    ],
+    [
+        '-3.5',
+        0,
+    ],
+    [
+        '-3.5-i',
+        -1,
+    ],
+    [
+        '-3.5-2.5i',
+        -2.5,
+    ],
+];

tests/data/Calculation/Engineering/IMARGUMENT.php

@@ -0,0 +1,108 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        0.43071059555000002,
+    ],
+    [
+        '3.5+2.5i',
+        0.620249485983,
+    ],
+    [
+        '3.5+i',
+        0.27829965900499998,
+    ],
+    [
+        '3.5',
+        0,
+    ],
+    [
+        '3.5-i',
+        -0.27829965900499998,
+    ],
+    [
+        '3.5-2.5i',
+        -0.620249485983,
+    ],
+    [
+        '1+2.5i',
+        1.1902899496829999,
+    ],
+    [
+        '1+i',
+        0.78539816339699997,
+    ],
+    [
+        '1',
+        0,
+    ],
+    [
+        '1-i',
+        -0.78539816339699997,
+    ],
+    [
+        '1-2.5i',
+        -1.1902899496829999,
+    ],
+    [
+        '2.5i',
+        1.570796326795,
+    ],
+    [
+        'i',
+        1.570796326795,
+    ],
+    [
+        '0',
+        '#DIV/0!',
+    ],
+    [
+        '-i',
+        -1.570796326795,
+    ],
+    [
+        '-2.5i',
+        -1.570796326795,
+    ],
+    [
+        '-1+2.5i',
+        1.9513027039069999,
+    ],
+    [
+        '-1+i',
+        2.3561944901919998,
+    ],
+    [
+        '-1',
+        3.1415926535900001,
+    ],
+    [
+        '-1-i',
+        -2.3561944901919998,
+    ],
+    [
+        '-1-2.5i',
+        -1.9513027039069999,
+    ],
+    [
+        '-3.5+2.5i',
+        2.5213431676070002,
+    ],
+    [
+        '-3.5+i',
+        2.8632929945850001,
+    ],
+    [
+        '-3.5',
+        3.1415926535900001,
+    ],
+    [
+        '-3.5-i',
+        -2.8632929945850001,
+    ],
+    [
+        '-3.5-2.5i',
+        -2.5213431676070002,
+    ],
+];

tests/data/Calculation/Engineering/IMCONJUGATE.php

@@ -0,0 +1,108 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        '12.34-5.67j',
+    ],
+    [
+        '3.5+2.5i',
+        '3.5-2.5i',
+    ],
+    [
+        '3.5+i',
+        '3.5-i',
+    ],
+    [
+        '3.5',
+        '3.5',
+    ],
+    [
+        '3.5-i',
+        '3.5+i',
+    ],
+    [
+        '3.5-2.5i',
+        '3.5+2.5i',
+    ],
+    [
+        '1+2.5i',
+        '1-2.5i',
+    ],
+    [
+        '1+i',
+        '1-i',
+    ],
+    [
+        '1',
+        '1',
+    ],
+    [
+        '1-i',
+        '1+i',
+    ],
+    [
+        '1-2.5i',
+        '1+2.5i',
+    ],
+    [
+        '2.5i',
+        '-2.5i',
+    ],
+    [
+        'i',
+        '-i',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    [
+        '-i',
+        'i',
+    ],
+    [
+        '-2.5i',
+        '2.5i',
+    ],
+    [
+        '-1+2.5i',
+        '-1-2.5i',
+    ],
+    [
+        '-1+i',
+        '-1-i',
+    ],
+    [
+        '-1',
+        '-1',
+    ],
+    [
+        '-1-i',
+        '-1+i',
+    ],
+    [
+        '-1-2.5i',
+        '-1+2.5i',
+    ],
+    [
+        '-3.5+2.5i',
+        '-3.5-2.5i',
+    ],
+    [
+        '-3.5+i',
+        '-3.5-i',
+    ],
+    [
+        '-3.5',
+        '-3.5',
+    ],
+    [
+        '-3.5-i',
+        '-3.5+i',
+    ],
+    [
+        '-3.5-2.5i',
+        '-3.5+2.5i',
+    ],
+];

tests/data/Calculation/Engineering/IMCOS.php

@@ -0,0 +1,112 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        '141.319179436356+32.547610312508j',
+    ],
+    [
+        '3.5+2.5i',
+        '-5.74262349163406+2.12231025604134i',
+    ],
+    [
+        '3.5+i',
+        '-1.44502817950166+0.412240867891067i',
+    ],
+    [
+        '3.5',
+        '-0.936456687290796',
+    ],
+    [
+        '3.5-i',
+        '-1.44502817950166-0.412240867891067i',
+    ],
+    [
+        '3.5-2.5i',
+        '-5.74262349163406-2.12231025604134i',
+    ],
+    [
+        '1+2.5i',
+        '3.31329014611322-5.0910715229497i',
+    ],
+    [
+        '1+i',
+        '0.833730025131149-0.988897705762865i',
+    ],
+    [
+        '1',
+        '0.54030230586814',
+    ],
+    [
+        '1-i',
+        '0.833730025131149+0.988897705762865i',
+    ],
+    [
+        '1-2.5i',
+        '3.31329014611322+5.0910715229497i',
+    ],
+    [
+        '2.5i',
+        '6.13228947966369',
+    ],
+    [
+        'i',
+        '1.54308063481524',
+    ],
+    [
+        '0',
+        '1',
+    ],
+    [
+        '-i',
+        '1.54308063481524',
+    ],
+    [
+        '-2.5i',
+        '6.13228947966369',
+    ],
+    [
+        '-1+2.5i',
+        '3.31329014611322+5.0910715229497i',
+    ],
+    [
+        '-1+i',
+        '0.833730025131149+0.988897705762865i',
+    ],
+    [
+        '-1',
+        '0.54030230586814',
+    ],
+    [
+        '-1-i',
+        '0.833730025131149-0.988897705762865i',
+    ],
+    [
+        '-1-2.5i',
+        '3.31329014611322-5.0910715229497i',
+    ],
+    [
+        '-3.5+2.5i',
+        '-5.74262349163406-2.12231025604134i',
+    ],
+    [
+        '-3.5+i',
+        '-1.44502817950166-0.412240867891067i',
+    ],
+    [
+        '-3.5',
+        '-0.936456687290796',
+    ],
+    [
+        '-3.5-i',
+        '-1.44502817950166+0.412240867891067i',
+    ],
+    [
+        '-3.5-2.5i',
+        '-5.74262349163406+2.12231025604134i',
+    ],
+    [
+        '3',
+        '-0.989992496600445',
+    ],
+];

tests/data/Calculation/Engineering/IMDIV.php

@@ -0,0 +1,104 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        '123.45+67.89i',
+        '#NUM!',
+    ],
+    [
+        '12.34+5.67j',
+        '123.45+67.89j',
+        '0.0961415519586104-0.00694248653276682j',
+    ],
+    [
+        '-12.34+5.67i',
+        '-123.45+67.89i',
+        '0.0961415519586104+0.00694248653276682i',
+    ],
+    [
+        '-12.34-5.67i',
+        '-123.45+67.89i',
+        '0.0573549954111941+0.0774712890924744i',
+    ],
+    [
+        '-12.34+5.67i',
+        '-123.45-67.89i',
+        '0.0573549954111941-0.0774712890924744i',
+    ],
+    [
+        '-12.34-5.67i',
+        '-123.45-67.89i',
+        '0.0961415519586104-0.00694248653276682i',
+    ],
+    [
+        '12.34+5.67i',
+        '-123.45+67.89i',
+        '-0.0573549954111941-0.0774712890924744i',
+    ],
+    [
+        '12.34-5.67i',
+        '-123.45+67.89i',
+        '-0.0961415519586104-0.00694248653276682i',
+    ],
+    [
+        '12.34+5.67i',
+        '-123.45-67.89i',
+        '-0.0961415519586104+0.00694248653276682i',
+    ],
+    [
+        '12.34-5.67i',
+        '-123.45-67.89i',
+        '-0.0573549954111941+0.0774712890924744i',
+    ],
+    [
+        '-12.34+5.67i',
+        '123.45+67.89i',
+        '-0.0573549954111941+0.0774712890924744i',
+    ],
+    [
+        '-12.34-5.67i',
+        '123.45+67.89i',
+        '-0.0961415519586104+0.00694248653276682i',
+    ],
+    [
+        '-12.34+5.67i',
+        '123.45-67.89i',
+        '-0.0961415519586104-0.00694248653276682i',
+    ],
+    [
+        '-12.34-5.67i',
+        '123.45-67.89i',
+        '-0.0573549954111941-0.0774712890924744i',
+    ],
+    [
+        '-12.34-5.67i',
+        '123.45-67.89',
+        '#NUM!',
+    ],
+    [
+        '-12.34-5.67j',
+        '123.45-67.89',
+        '#NUM!',
+    ],
+    [
+        '-12.34-5.67',
+        '123.45-67.89j',
+        '#NUM!',
+    ],
+    [
+        '-12.34-5.67i',
+        '-12.34-5.67i',
+        '1',
+    ],
+    [
+        '-12.34',
+        '123.45-67.89i',
+        '-0.0767482736849023-0.0422068878126206i',
+    ],
+    [
+        '-12.34-5.67i',
+        '-12.34',
+        '1+0.459481361426256i',
+    ],
+];

tests/data/Calculation/Engineering/IMEXP.php

@@ -0,0 +1,112 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        '187004.11273906-131589.323796073j',
+    ],
+    [
+        '-12.34E-5+6.78E9i',
+        '0.519482808316086+0.85433649244115i',
+    ],
+    [
+        '3.5+2.5i',
+        '-26.5302329126575+19.8186755366902i',
+    ],
+    [
+        '3.5+i',
+        '17.8923550531471+27.8656919720394i',
+    ],
+    [
+        '3.5',
+        '33.1154519586923',
+    ],
+    [
+        '3.5-i',
+        '17.8923550531471-27.8656919720394i',
+    ],
+    [
+        '3.5-2.5i',
+        '-26.5302329126575-19.8186755366902i',
+    ],
+    [
+        '1+2.5i',
+        '-2.17773413212721+1.62681595415671i',
+    ],
+    [
+        '1+i',
+        '1.46869393991589+2.28735528717884i',
+    ],
+    [
+        '1',
+        '2.71828182845905',
+    ],
+    [
+        '1-i',
+        '1.46869393991589-2.28735528717884i',
+    ],
+    [
+        '1-2.5i',
+        '-2.17773413212721-1.62681595415671i',
+    ],
+    [
+        '2.5i',
+        '-0.801143615546934+0.598472144103957i',
+    ],
+    [
+        'i',
+        '0.54030230586814+0.841470984807897i',
+    ],
+    [
+        '0',
+        '1',
+    ],
+    [
+        '-i',
+        '0.54030230586814-0.841470984807897i',
+    ],
+    [
+        '-2.5i',
+        '-0.801143615546934-0.598472144103957i',
+    ],
+    [
+        '-1+2.5i',
+        '-0.294724265585475+0.220165597929638i',
+    ],
+    [
+        '-1+i',
+        '0.198766110346413+0.309559875653112i',
+    ],
+    [
+        '-1',
+        '0.367879441171442',
+    ],
+    [
+        '-1-i',
+        '0.198766110346413-0.309559875653112i',
+    ],
+    [
+        '-1-2.5i',
+        '-0.294724265585475-0.220165597929638i',
+    ],
+    [
+        '-3.5+2.5i',
+        '-0.0241924409350133+0.0180722928030842i',
+    ],
+    [
+        '-3.5+i',
+        '0.016315715894263+0.025410221967i',
+    ],
+    [
+        '-3.5',
+        '0.0301973834223185',
+    ],
+    [
+        '-3.5-i',
+        '0.016315715894263-0.025410221967i',
+    ],
+    [
+        '-3.5-2.5i',
+        '-0.0241924409350133-0.0180722928030842i',
+    ],
+];

tests/data/Calculation/Engineering/IMLN.php

@@ -0,0 +1,112 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        '2.60862008281875+0.430710595550204j',
+    ],
+    [
+        '-1.234E-5+6.78E9i',
+        '22.6372429388987+1.5707963267949i',
+    ],
+    [
+        '3.5+2.5i',
+        '1.45888536604214+0.620249485982821i',
+    ],
+    [
+        '3.5+i',
+        '1.29199877621612+0.278299659005111i',
+    ],
+    [
+        '3.5',
+        '1.25276296849537',
+    ],
+    [
+        '3.5-i',
+        '1.29199877621612-0.278299659005111i',
+    ],
+    [
+        '3.5-2.5i',
+        '1.45888536604214-0.620249485982821i',
+    ],
+    [
+        '1+2.5i',
+        '0.990500734433292+1.19028994968253i',
+    ],
+    [
+        '1+i',
+        '0.346573590279973+0.785398163397448i',
+    ],
+    [
+        '1',
+        '0',
+    ],
+    [
+        '1-i',
+        '0.346573590279973-0.785398163397448i',
+    ],
+    [
+        '1-2.5i',
+        '0.990500734433292-1.19028994968253i',
+    ],
+    [
+        '2.5i',
+        '0.916290731874155+1.5707963267949i',
+    ],
+    [
+        'i',
+        '1.5707963267949i',
+    ],
+    [
+        '0',
+        '#NUM!',
+    ],
+    [
+        '-i',
+        '-1.5707963267949i',
+    ],
+    [
+        '-2.5i',
+        '0.916290731874155-1.5707963267949i',
+    ],
+    [
+        '-1+2.5i',
+        '0.990500734433292+1.95130270390726i',
+    ],
+    [
+        '-1+i',
+        '0.346573590279973+2.35619449019234i',
+    ],
+    [
+        '-1',
+        '3.14159265358979i',
+    ],
+    [
+        '-1-i',
+        '0.346573590279973-2.35619449019234i',
+    ],
+    [
+        '-1-2.5i',
+        '0.990500734433292-1.95130270390726i',
+    ],
+    [
+        '-3.5+2.5i',
+        '1.45888536604214+2.52134316760697i',
+    ],
+    [
+        '-3.5+i',
+        '1.29199877621612+2.86329299458468i',
+    ],
+    [
+        '-3.5',
+        '1.25276296849537+3.14159265358979i',
+    ],
+    [
+        '-3.5-i',
+        '1.29199877621612-2.86329299458468i',
+    ],
+    [
+        '-3.5-2.5i',
+        '1.45888536604214-2.52134316760697i',
+    ],
+];

tests/data/Calculation/Engineering/IMLOG10.php

@@ -0,0 +1,112 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        '1.13290930735019+0.187055234944717j',
+    ],
+    [
+        '-12.34E-5+6.78E9i',
+        '9.83122969386706+0.682188176920927i',
+    ],
+    [
+        '3.5+2.5i',
+        '0.633585864201507+0.269370929165668i',
+    ],
+    [
+        '3.5+i',
+        '0.561107939136413+0.120864006221476i',
+    ],
+    [
+        '3.5',
+        '0.544068044350276',
+    ],
+    [
+        '3.5-i',
+        '0.561107939136413-0.120864006221476i',
+    ],
+    [
+        '3.5-2.5i',
+        '0.633585864201507-0.269370929165668i',
+    ],
+    [
+        '1+2.5i',
+        '0.430169003285497+0.516936357012023i',
+    ],
+    [
+        '1+i',
+        '0.150514997831991+0.34109408846046i',
+    ],
+    [
+        '1',
+        '0',
+    ],
+    [
+        '1-i',
+        '0.150514997831991-0.34109408846046i',
+    ],
+    [
+        '1-2.5i',
+        '0.430169003285497-0.516936357012023i',
+    ],
+    [
+        '2.5i',
+        '0.397940008672038+0.68218817692092i',
+    ],
+    [
+        'i',
+        '0.68218817692092i',
+    ],
+    [
+        '0',
+        '#NUM!',
+    ],
+    [
+        '-i',
+        '-0.68218817692092i',
+    ],
+    [
+        '-2.5i',
+        '0.397940008672038-0.68218817692092i',
+    ],
+    [
+        '-1+2.5i',
+        '0.430169003285497+0.847439996829817i',
+    ],
+    [
+        '-1+i',
+        '0.150514997831991+1.02328226538138i',
+    ],
+    [
+        '-1',
+        '1.36437635384184i',
+    ],
+    [
+        '-1-i',
+        '0.150514997831991-1.02328226538138i',
+    ],
+    [
+        '-1-2.5i',
+        '0.430169003285497-0.847439996829817i',
+    ],
+    [
+        '-3.5+2.5i',
+        '0.633585864201507+1.09500542467617i',
+    ],
+    [
+        '-3.5+i',
+        '0.561107939136413+1.24351234762036i',
+    ],
+    [
+        '-3.5',
+        '0.544068044350276+1.36437635384184i',
+    ],
+    [
+        '-3.5-i',
+        '0.561107939136413-1.24351234762036i',
+    ],
+    [
+        '-3.5-2.5i',
+        '0.633585864201507-1.09500542467617i',
+    ],
+];

tests/data/Calculation/Engineering/IMLOG2.php

@@ -0,0 +1,112 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        '3.76344325733562+0.621384040306436j',
+    ],
+    [
+        '-12.34E-5+6.78E9i',
+        '32.6586381298614+2.26618007108803i',
+    ],
+    [
+        '3.5+2.5i',
+        '2.10472668297646+0.894830857610216i',
+    ],
+    [
+        '3.5+i',
+        '1.86396022742506+0.401501537958665i',
+    ],
+    [
+        '3.5',
+        '1.80735492219671',
+    ],
+    [
+        '3.5-i',
+        '1.86396022742506-0.401501537958665i',
+    ],
+    [
+        '3.5-2.5i',
+        '2.10472668297646-0.894830857610216i',
+    ],
+    [
+        '1+2.5i',
+        '1.42899049767377+1.71722540775913i',
+    ],
+    [
+        '1+i',
+        '0.500000000038482+1.13309003554401i',
+    ],
+    [
+        '1',
+        '0',
+    ],
+    [
+        '1-i',
+        '0.500000000038482-1.13309003554401i',
+    ],
+    [
+        '1-2.5i',
+        '1.42899049767377-1.71722540775913i',
+    ],
+    [
+        '2.5i',
+        '1.3219280949891+2.26618007108801i',
+    ],
+    [
+        'i',
+        '2.26618007108801i',
+    ],
+    [
+        '0',
+        '#NUM!',
+    ],
+    [
+        '-i',
+        '-2.26618007108801i',
+    ],
+    [
+        '-2.5i',
+        '1.3219280949891-2.26618007108801i',
+    ],
+    [
+        '-1+2.5i',
+        '1.42899049767377+2.81513473441689i',
+    ],
+    [
+        '-1+i',
+        '0.500000000038482+3.39927010663201i',
+    ],
+    [
+        '-1',
+        '4.53236014217602i',
+    ],
+    [
+        '-1-i',
+        '0.500000000038482-3.39927010663201i',
+    ],
+    [
+        '-1-2.5i',
+        '1.42899049767377-2.81513473441689i',
+    ],
+    [
+        '-3.5+2.5i',
+        '2.10472668297646+3.63752928456581i',
+    ],
+    [
+        '-3.5+i',
+        '1.86396022742506+4.13085860421736i',
+    ],
+    [
+        '-3.5',
+        '1.80735492219671+4.53236014217602i',
+    ],
+    [
+        '-3.5-i',
+        '1.86396022742506-4.13085860421736i',
+    ],
+    [
+        '-3.5-2.5i',
+        '2.10472668297646-3.63752928456581i',
+    ],
+];

tests/data/Calculation/Engineering/IMPOWER.php

@@ -0,0 +1,94 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        2,
+        '120.1267+139.9356j',
+    ],
+    [
+        '12.34+5.67j',
+        3,
+        '688.928626+2407.923693j',
+    ],
+    [
+        '12.34+5.67j',
+        -1,
+        '6.69108496973016E-002-3.07442883131037E-002j',
+    ],
+    [
+        '12.34+5.67j',
+        -2,
+        '3.53185054333564E-003-4.11425290873718E-003j',
+    ],
+    [
+        '12.34+5.67j',
+        0.5,
+        '3.60002071031685+0.787495469644252j',
+    ],
+    [
+        '12.34+5.67j',
+        -0.25,
+        '0.517904976730581-5.59833234375533E-002j',
+    ],
+    [
+        '12.34+5.67j',
+        0,
+        '1',
+    ],
+    [
+        '-i',
+        2,
+        '-1-1.34451369308841E-014i',
+    ],
+    [
+        '1-i',
+        2,
+        '1.22460635382238E-016-2i',
+    ],
+    [
+        '2.5i',
+        2,
+        '-6.25+8.40321058180257E-014i',
+    ],
+    [
+        '2.5i',
+        '2.5',
+        '-6.98771242968685-6.98771242968684i',
+    ],
+    [
+        '2.5i',
+        '2.5i',
+        '#VALUE!',
+    ],
+    [
+        '2.5',
+        '2.5',
+        9.8821176880261898,
+    ],
+    [
+        '2',
+        '2',
+        4,
+    ],
+    [
+        '-12.34-5.67i',
+        '-12.34',
+        '-4.69972844488573E-15+9.35464904349343E-15i',
+    ],
+    [
+        '12.34-5.67i',
+        '-12.34',
+        '5.93343000067521E-15-8.62503997728057E-15i',
+    ],
+    [
+        '-12.34-5.67i',
+        '12.34',
+        '-42881944468901.9-85355046682682.3i',
+    ],
+    [
+        '12.34-5.67i',
+        '12.34',
+        '54138663282971.3+78697841733874.3i',
+    ],
+];

tests/data/Calculation/Engineering/IMPRODUCT.php

@@ -0,0 +1,80 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        '123.45+67.89i',
+        '#NUM!',
+    ],
+    [
+        '12.34+5.67j',
+        '12.34+5.67j',
+    ],
+    [
+        '12.34+5.67i',
+        '123.45+67.89i',
+        '5.67',
+        '6454.936089+8718.895647i',
+    ],
+    [
+        '12.34+5.67j',
+        '123.45+67.89j',
+        '5.67',
+        '6454.936089+8718.895647j',
+    ],
+    [
+        '12.34+5.67j',
+        '123.45+67.89j',
+        '1138.4367+1537.7241j',
+    ],
+    [
+        '12.34-5.67i',
+        '123.45+67.89i',
+        '1908.3093+137.8011i',
+    ],
+    [
+        '12.34+5.67i',
+        '123.45-67.89i',
+        '1908.3093-137.8011i',
+    ],
+    [
+        '12.34-5.67i',
+        '123.45-67.89i',
+        '1138.4367-1537.7241i',
+    ],
+    [
+        '-12.34+5.67i',
+        '123.45+67.89i',
+        '-1908.3093-137.8011i',
+    ],
+    [
+        '-12.34-5.67i',
+        '123.45+67.89i',
+        '-1138.4367-1537.7241i',
+    ],
+    [
+        '12.34+5.67i',
+        '-123.45+67.89i',
+        '-1908.3093+137.8011i',
+    ],
+    [
+        '-12.34+5.67i',
+        '-123.45+67.89i',
+        '1138.4367-1537.7241i',
+    ],
+    [
+        '-12.34-5.67i',
+        '-123.45-67.89i',
+        '1138.4367+1537.7241i',
+    ],
+    [
+        '-12.34',
+        '123.45-67.89i',
+        '-1523.373+837.7626i',
+    ],
+    [
+        '-12.34-5.67i',
+        '-12.34',
+        '152.2756+69.9678i',
+    ],
+];

tests/data/Calculation/Engineering/IMREAL.php

@@ -0,0 +1,124 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j"',
+        12.34,
+    ],
+    [
+        '-1.234E-5+6.78E9i',
+        -1.234E-5,
+    ],
+    [
+        '3.5+2.5i',
+        3.5,
+    ],
+    [
+        '3.5+i',
+        3.5,
+    ],
+    [
+        '3.5',
+        3.5,
+    ],
+    [
+        3.5,
+        3.5,
+    ],
+    [
+        '3.5-i',
+        3.5,
+    ],
+    [
+        '3.5-2.5i',
+        3.5,
+    ],
+    [
+        '1+2.5i',
+        1,
+    ],
+    [
+        '1+i',
+        1,
+    ],
+    [
+        '1',
+        1,
+    ],
+    [
+        1,
+        1,
+    ],
+    [
+        '1-i',
+        1,
+    ],
+    [
+        '1-2.5i',
+        1,
+    ],
+    [
+        '2.5i',
+        0,
+    ],
+    [
+        'i',
+        0,
+    ],
+    [
+        '0',
+        0,
+    ],
+    [
+        0,
+        0,
+    ],
+    [
+        '-i',
+        0,
+    ],
+    [
+        '-2.5i',
+        0,
+    ],
+    [
+        '-1+2.5i',
+        -1,
+    ],
+    [
+        '-1+i',
+        -1,
+    ],
+    [
+        '-1',
+        -1,
+    ],
+    [
+        '-1-i',
+        -1,
+    ],
+    [
+        '-1-2.5i',
+        -1,
+    ],
+    [
+        '-3.5+2.5i',
+        -3.5,
+    ],
+    [
+        '-3.5+i',
+        -3.5,
+    ],
+    [
+        '-3.5',
+        -3.5,
+    ],
+    [
+        '-3.5-i',
+        -3.5,
+    ],
+    [
+        '-3.5-2.5i',
+        -3.5,
+    ],
+];

tests/data/Calculation/Engineering/IMSIN.php

@@ -0,0 +1,112 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        '-32.5483841590412+141.315819535092j',
+    ],
+    [
+        '3.5+2.5i',
+        '-2.15110429680353-5.66575444574645i',
+    ],
+    [
+        '3.5+i',
+        '-0.541286805665839-1.10052501669986i',
+    ],
+    [
+        '3.5',
+        '-0.35078322768962',
+    ],
+    [
+        '3.5-i',
+        '-0.541286805665839+1.10052501669986i',
+    ],
+    [
+        '3.5-2.5i',
+        '-2.15110429680353+5.66575444574645i',
+    ],
+    [
+        '1+2.5i',
+        '5.16014366757971+3.26893943207955i',
+    ],
+    [
+        '1+i',
+        '1.29845758141598+0.634963914784736i',
+    ],
+    [
+        '1',
+        '0.841470984807897',
+    ],
+    [
+        '1-i',
+        '1.29845758141598-0.634963914784736i',
+    ],
+    [
+        '1-2.5i',
+        '5.16014366757971-3.26893943207955i',
+    ],
+    [
+        '2.5i',
+        '6.05020448103979i',
+    ],
+    [
+        'i',
+        '1.1752011936438i',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    [
+        '-i',
+        '-1.1752011936438i',
+    ],
+    [
+        '-2.5i',
+        '-6.05020448103979i',
+    ],
+    [
+        '-1+2.5i',
+        '-5.16014366757971+3.26893943207955i',
+    ],
+    [
+        '-1+i',
+        '-1.29845758141598+0.634963914784736i',
+    ],
+    [
+        '-1',
+        '-0.841470984807897',
+    ],
+    [
+        '-1-i',
+        '-1.29845758141598-0.634963914784736i',
+    ],
+    [
+        '-1-2.5i',
+        '-5.16014366757971-3.26893943207955i',
+    ],
+    [
+        '-3.5+2.5i',
+        '2.15110429680353-5.66575444574645i',
+    ],
+    [
+        '-3.5+i',
+        '0.541286805665839-1.10052501669986i',
+    ],
+    [
+        '-3.5',
+        '0.35078322768962',
+    ],
+    [
+        '-3.5-i',
+        '0.541286805665839+1.10052501669986i',
+    ],
+    [
+        '-3.5-2.5i',
+        '2.15110429680353+5.66575444574645i',
+    ],
+    [
+        '3',
+        '0.141120008059867',
+    ],
+];

tests/data/Calculation/Engineering/IMSQRT.php

@@ -0,0 +1,116 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        '3.60002071031685+0.787495469644252j',
+    ],
+    [
+        '-1.234E-5+6.78E9i',
+        '58223.7065120385+58223.7065120386i',
+    ],
+    [
+        '3.5+2.5i',
+        '1.9749889409211+0.632914936433528i',
+    ],
+    [
+        '3.5+i',
+        '1.88945163270197+0.264627043818521i',
+    ],
+    [
+        '3.5',
+        '1.87082869338697',
+    ],
+    [
+        '3.5-i',
+        '1.88945163270197-0.264627043818521i',
+    ],
+    [
+        '3.5-2.5i',
+        '1.9749889409211-0.632914936433528i',
+    ],
+    [
+        '1+2.5i',
+        '1.35878298553655+0.919940868634298i',
+    ],
+    [
+        '1+i',
+        '1.09868411346781+0.455089860562227i',
+    ],
+    [
+        '1',
+        '1',
+    ],
+    [
+        '1-i',
+        '1.09868411346781-0.455089860562227i',
+    ],
+    [
+        '1-2.5i',
+        '1.35878298553655-0.919940868634298i',
+    ],
+    [
+        '2.5i',
+        '1.11803398874989+1.11803398874989i',
+    ],
+    [
+        'i',
+        '0.707106781186548+0.707106781186547i',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    [
+        '-i',
+        '0.707106781186548-0.707106781186547i',
+    ],
+    [
+        '-2.5i',
+        '1.11803398874989-1.11803398874989i',
+    ],
+    [
+        '-1+2.5i',
+        '0.919940868634298+1.35878298553655i',
+    ],
+    [
+        '-1+i',
+        '0.455089860562227+1.09868411346781i',
+    ],
+    [
+        '-1',
+        '6.12303176911189E-017+i',
+    ],
+    [
+        '-1-i',
+        '0.455089860562227-1.09868411346781i',
+    ],
+    [
+        '-1-2.5i',
+        '0.919940868634298-1.35878298553655i',
+    ],
+    [
+        '-3.5+2.5i',
+        '0.632914936433528+1.9749889409211i',
+    ],
+    [
+        '-3.5+i',
+        '0.264627043818521+1.88945163270197i',
+    ],
+    [
+        '-3.5',
+        '1.14551435241745E-016+1.87082869338697i',
+    ],
+    [
+        '-3.5-i',
+        '0.264627043818521-1.88945163270197i',
+    ],
+    [
+        '-3.5-2.5i',
+        '0.632914936433528-1.9749889409211i',
+    ],
+    [
+        '9',
+        '3',
+    ],
+];

tests/data/Calculation/Engineering/IMSUB.php

@@ -0,0 +1,55 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        '123.45+67.89i',
+        '#NUM!',
+    ],
+    [
+        '123.45+67.89j',
+        '12.34+5.67j',
+        '111.11+62.22j',
+    ],
+    [
+        '12.34+5.67j',
+        '123.45+67.89j',
+        '-111.11-62.22j',
+    ],
+    [
+        '12.34+5.67i',
+        '123.45+67.89i',
+        '123.45+67.89i',
+        '-111.11-62.22i',
+    ],
+    [
+        '-12.34-5.67i',
+        '123.45-67.89i',
+        '-135.79+62.22i',
+    ],
+    [
+        '12.34-5.67i',
+        '-123.45-67.89i',
+        '135.79+62.22i',
+    ],
+    [
+        '-12.34-5.67i',
+        '-123.45-67.89i',
+        '111.11+62.22i',
+    ],
+    [
+        '-12.34-5.67i',
+        '-123.45-67.89',
+        '#NUM!',
+    ],
+    [
+        '-12.34-5.67j',
+        '-123.45-67.89',
+        '#NUM!',
+    ],
+    [
+        '-12.34-5.67',
+        '-123.45-67.89j',
+        '#NUM!',
+    ],
+];

tests/data/Calculation/Engineering/IMSUM.php

@@ -0,0 +1,56 @@
+<?php
+
+return [
+    [
+        '12.34+5.67j',
+        '123.45+67.89i',
+        '#NUM!',
+    ],
+    [
+        '12.34+5.67j',
+        '123.45+67.89j',
+        '135.79+73.56j',
+    ],
+    [
+        '12.34-5.67i',
+        '123.45+67.89i',
+        '135.79+62.22i',
+    ],
+    [
+        '12.34+5.67i',
+        '123.45-67.89i',
+        '135.79-62.22i',
+    ],
+    [
+        '12.34-5.67i',
+        '123.45-67.89i',
+        '135.79-73.56i',
+    ],
+    [
+        '12.34+5.67i',
+        '123.45+67.89i',
+        '123.45+67.89i',
+        '259.24+141.45i',
+    ],
+    [
+        '12.34+5.67i',
+        '123.45+67.89i',
+        '123.45+67.89j',
+        '#NUM!',
+    ],
+    [
+        '-12.34-5.67i',
+        '123.45-67.89i',
+        '111.11-73.56i',
+    ],
+    [
+        '12.34-5.67i',
+        '-123.45-67.89i',
+        '-111.11-73.56i',
+    ],
+    [
+        '-12.34-5.67i',
+        '-123.45-67.89i',
+        '-135.79-73.56i',
+    ],
+];

tests/data/Calculation/Engineering/OCT2BIN.php

@@ -0,0 +1,61 @@
+<?php
+
+return [
+    [
+        '1357',
+        '#NUM!',
+    ],
+    [
+        '246',
+        '10100110',
+    ],
+    [
+        '3',
+        3,
+        '011',
+    ],
+    [
+        '12345',
+        '#NUM!',
+    ],
+    [
+        '123.45',
+        '#NUM!',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    [
+        true,
+        '#VALUE!',
+    ],
+    [
+        '3579',
+        '#NUM!',
+    ],
+    // 2's Complement
+    [
+        '7777777000',
+        '1000000000',
+    ],
+    // 2's Complement
+    [
+        '7777777777',
+        '1111111111',
+    ],
+    // Too small
+    [
+        '17777777777',
+        '#NUM!',
+    ],
+    [
+        '777',
+        '111111111',
+    ],
+    // Too large
+    [
+        '1777',
+        '#NUM!',
+    ],
+];

tests/data/Calculation/Engineering/OCT2DEC.php

@@ -0,0 +1,41 @@
+<?php
+
+return [
+    [
+        '1357',
+        '751',
+    ],
+    [
+        '246',
+        '166',
+    ],
+    [
+        '12345',
+        '5349',
+    ],
+    [
+        '123.45',
+        '#NUM!',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    [
+        true,
+        '#VALUE!',
+    ],
+    [
+        '3579',
+        '#NUM!',
+    ],
+    [
+        '54',
+        '44',
+    ],
+    // 2's Complement
+    [
+        '7777777533',
+        '-165',
+    ],
+];

tests/data/Calculation/Engineering/OCT2HEX.php

@@ -0,0 +1,42 @@
+<?php
+
+return [
+    [
+        '1357',
+        '2EF',
+    ],
+    [
+        '246',
+        'A6',
+    ],
+    [
+        '12345',
+        '14E5',
+    ],
+    [
+        '100',
+        4,
+        '0040',
+    ],
+    [
+        '123.45',
+        '#NUM!',
+    ],
+    [
+        '0',
+        '0',
+    ],
+    [
+        true,
+        '#VALUE!',
+    ],
+    [
+        '3579',
+        '#NUM!',
+    ],
+    // 2's Complement
+    [
+        '7777777533',
+        'FFFFFFFF5B',
+    ],
+];

tests/data/Calculation/Financial/ACCRINT.php

@@ -0,0 +1,75 @@
+<?php
+
+// Issue date, 1st Interest, Settlement, Rate, Par, Freq, Basis, Result
+
+return [
+    [
+        '2008-03-01',
+        '2008-08-31',
+        '2008-05-01',
+        0.10000000000000001,
+        1000,
+        2,
+        0,
+        16.666666666666998,
+    ],
+    [
+        '2008-03-05',
+        '2008-08-31',
+        '2008-05-01',
+        0.10000000000000001,
+        1000,
+        2,
+        0,
+        15.555555555555999,
+    ],
+    [
+        '2010-01-01',
+        '2010-06-30',
+        '2010-04-01',
+        0.080000000000000002,
+        10000,
+        4,
+        200,
+    ],
+    [
+        '2008-03-05',
+        '2008-08-31',
+        '2008-05-01',
+        -0.10000000000000001,
+        1000,
+        2,
+        0,
+        '#NUM!',
+    ],
+    [
+        'Invalid Date',
+        '2008-08-31',
+        '2008-05-01',
+        0.10000000000000001,
+        1000,
+        2,
+        0,
+        '#VALUE!',
+    ],
+    [
+        '2008-03-01',
+        '2008-08-31',
+        '2008-05-01',
+        'ABC',
+        1000,
+        2,
+        0,
+        '#VALUE!',
+    ],
+    [
+        '2008-03-01',
+        '2008-08-31',
+        '2008-05-01',
+        0.10000000000000001,
+        1000,
+        2,
+        'ABC',
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/Financial/ACCRINTM.php

@@ -0,0 +1,45 @@
+<?php
+
+// Issue date, Settlement, Rate, Par, Basis, Result
+
+return [
+    [
+        '2008-04-01',
+        '2008-06-15',
+        0.10000000000000001,
+        1000,
+        3,
+        20.547945205478999,
+    ],
+    [
+        '2010-01-01',
+        '2010-12-31',
+        0.080000000000000002,
+        10000,
+        800,
+    ],
+    [
+        '2008-03-05',
+        '2008-08-31',
+        -0.10000000000000001,
+        1000,
+        2,
+        '#NUM!',
+    ],
+    [
+        'Invalid Date',
+        '2008-08-31',
+        0.10000000000000001,
+        1000,
+        2,
+        '#VALUE!',
+    ],
+    [
+        '2008-03-01',
+        '2008-08-31',
+        'ABC',
+        1000,
+        2,
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/Financial/AMORDEGRC.php

@@ -0,0 +1,26 @@
+<?php
+
+// Cost, Date purchased, End of the 1st period, Salvage, Period, Depreciation, Basis, Result
+
+return [
+    [
+        2400,
+        '2008-08-19',
+        '2008-12-31',
+        300,
+        1,
+        0.14999999999999999,
+        1,
+        776,
+    ],
+    [
+        150,
+        '2011-01-01',
+        '2011-09-30',
+        20,
+        1,
+        0.20000000000000001,
+        4,
+        42,
+    ],
+];

tests/data/Calculation/Financial/AMORLINC.php

@@ -0,0 +1,26 @@
+<?php
+
+// Cost, Date purchased, End of the 1st period, Salvage, Period, Depreciation, Basis, Result
+
+return [
+    [
+        2400,
+        '2008-08-19',
+        '2008-12-31',
+        300,
+        1,
+        0.14999999999999999,
+        1,
+        360,
+    ],
+    [
+        150,
+        '2011-01-01',
+        '2011-09-30',
+        20,
+        1,
+        0.20000000000000001,
+        4,
+        30,
+    ],
+];

tests/data/Calculation/Financial/COUPDAYBS.php

@@ -0,0 +1,40 @@
+<?php
+
+// Settlement, Maturity, Frequency, Basis, Result
+
+return [
+    [
+        '25-Jan-2007',
+        '15-Nov-2008',
+        2,
+        1,
+        71,
+    ],
+    [
+        '2011-01-01',
+        '2012-10-25',
+        4,
+        66,
+    ],
+    [
+        'Invalid Date',
+        '15-Nov-2008',
+        2,
+        1,
+        '#VALUE!',
+    ],
+    [
+        '25-Jan-2007',
+        'Invalid Date',
+        2,
+        1,
+        '#VALUE!',
+    ],
+    [
+        '25-Jan-2007',
+        '15-Nov-2008',
+        3,
+        1,
+        '#NUM!',
+    ],
+];

tests/data/Calculation/Financial/COUPDAYS.php

@@ -0,0 +1,40 @@
+<?php
+
+// Settlement, Maturity, Frequency, Basis, Result
+
+return [
+    [
+        '25-Jan-2007',
+        '15-Nov-2008',
+        2,
+        1,
+        181,
+    ],
+    [
+        '2011-01-01',
+        '2012-10-25',
+        4,
+        90,
+    ],
+    [
+        'Invalid Date',
+        '15-Nov-2008',
+        2,
+        1,
+        '#VALUE!',
+    ],
+    [
+        '25-Jan-2007',
+        'Invalid Date',
+        2,
+        1,
+        '#VALUE!',
+    ],
+    [
+        '25-Jan-2007',
+        '15-Nov-2008',
+        3,
+        1,
+        '#NUM!',
+    ],
+];

tests/data/Calculation/Financial/COUPDAYSNC.php

@@ -0,0 +1,40 @@
+<?php
+
+// Settlement, Maturity, Frequency, Basis, Result
+
+return [
+    [
+        '25-Jan-2007',
+        '15-Nov-2008',
+        2,
+        1,
+        110,
+    ],
+    [
+        '2011-01-01',
+        '2012-10-25',
+        4,
+        24,
+    ],
+    [
+        'Invalid Date',
+        '15-Nov-2008',
+        2,
+        1,
+        '#VALUE!',
+    ],
+    [
+        '25-Jan-2007',
+        'Invalid Date',
+        2,
+        1,
+        '#VALUE!',
+    ],
+    [
+        '25-Jan-2007',
+        '15-Nov-2008',
+        3,
+        1,
+        '#NUM!',
+    ],
+];

tests/data/Calculation/Financial/COUPNCD.php

@@ -0,0 +1,40 @@
+<?php
+
+// Settlement, Maturity, Frequency, Basis, Result
+
+return [
+    [
+        '25-Jan-2007',
+        '15-Nov-2008',
+        2,
+        1,
+        39217,
+    ],
+    [
+        '2011-01-01',
+        '2012-10-25',
+        4,
+        40568,
+    ],
+    [
+        'Invalid Date',
+        '15-Nov-2008',
+        2,
+        1,
+        '#VALUE!',
+    ],
+    [
+        '25-Jan-2007',
+        'Invalid Date',
+        2,
+        1,
+        '#VALUE!',
+    ],
+    [
+        '25-Jan-2007',
+        '15-Nov-2008',
+        3,
+        1,
+        '#NUM!',
+    ],
+];

tests/data/Calculation/Financial/COUPNUM.php

@@ -0,0 +1,48 @@
+<?php
+
+// Settlement, Maturity, Frequency, Basis, Result
+
+return [
+    [
+        '25-Jan-2007',
+        '15-Nov-2008',
+        2,
+        1,
+        4,
+    ],
+    [
+        '2011-01-01',
+        '2012-10-25',
+        4,
+        0,
+        8,
+    ],
+    [
+        'Invalid Date',
+        '15-Nov-2008',
+        2,
+        1,
+        '#VALUE!',
+    ],
+    [
+        '25-Jan-2007',
+        'Invalid Date',
+        2,
+        1,
+        '#VALUE!',
+    ],
+    [
+        '25-Jan-2007',
+        '15-Nov-2008',
+        3,
+        1,
+        '#NUM!',
+    ],
+    [
+        '01-Jan-2008',
+        '31-Dec-2012',
+        1,
+        1,
+        5,
+    ],
+];

tests/data/Calculation/Financial/COUPPCD.php

@@ -0,0 +1,40 @@
+<?php
+
+// Settlement, Maturity, Frequency, Basis, Result
+
+return [
+    [
+        '25-Jan-2007',
+        '15-Nov-2008',
+        2,
+        1,
+        39036,
+    ],
+    [
+        '2011-01-01',
+        '2012-10-25',
+        4,
+        40476,
+    ],
+    [
+        'Invalid Date',
+        '15-Nov-2008',
+        2,
+        1,
+        '#VALUE!',
+    ],
+    [
+        '25-Jan-2007',
+        'Invalid Date',
+        2,
+        1,
+        '#VALUE!',
+    ],
+    [
+        '25-Jan-2007',
+        '15-Nov-2008',
+        3,
+        1,
+        '#NUM!',
+    ],
+];

tests/data/Calculation/Financial/CUMIPMT.php

@@ -0,0 +1,87 @@
+<?php
+
+// rate, nper, pv, start_period, end_period, type, result
+
+return [
+    [
+        0.0074999999999999997,
+        360,
+        125000,
+        13,
+        24,
+        0,
+        -11135.232130750999,
+    ],
+    [
+        0.0074999999999999997,
+        360,
+        125000,
+        1,
+        1,
+        0,
+        -937.5,
+    ],
+    [
+        0.0041666666669999998,
+        60,
+        50000,
+        1,
+        12,
+        0,
+        -2294.9775375120998,
+    ],
+    [
+        0.0041666666669999998,
+        60,
+        50000,
+        13,
+        24,
+        0,
+        -1833.1000667254,
+    ],
+    [
+        0.0041666666669999998,
+        60,
+        50000,
+        25,
+        36,
+        0,
+        -1347.5920679425001,
+    ],
+    [
+        0.0041666666669999998,
+        60,
+        50000,
+        37,
+        48,
+        0,
+        -837.24455850309005,
+    ],
+    [
+        0.0041666666669999998,
+        60,
+        50000,
+        49,
+        60,
+        0,
+        -300.78670189938998,
+    ],
+    [
+        0.0074999999999999997,
+        360,
+        125000,
+        24,
+        13,
+        0,
+        '#VALUE!',
+    ],
+    [
+        0.0074999999999999997,
+        360,
+        125000,
+        24,
+        13,
+        2,
+        '#NUM!',
+    ],
+];

tests/data/Calculation/Financial/CUMPRINC.php

@@ -0,0 +1,87 @@
+<?php
+
+// rate, nper, pv, start_period, end_period, type, result
+
+return [
+    [
+        0.0074999999999999997,
+        360,
+        125000,
+        13,
+        24,
+        0,
+        -934.10712342088004,
+    ],
+    [
+        0.0074999999999999997,
+        360,
+        125000,
+        1,
+        1,
+        0,
+        -68.278271180977001,
+    ],
+    [
+        0.0041666666669999998,
+        60,
+        50000,
+        1,
+        12,
+        0,
+        -9027.7626490046005,
+    ],
+    [
+        0.0041666666669999998,
+        60,
+        50000,
+        13,
+        24,
+        0,
+        -9489.6401197913001,
+    ],
+    [
+        0.0041666666669999998,
+        60,
+        50000,
+        25,
+        36,
+        0,
+        -9975.1481185740995,
+    ],
+    [
+        0.0041666666669999998,
+        60,
+        50000,
+        37,
+        48,
+        0,
+        -10485.495628014,
+    ],
+    [
+        0.0041666666669999998,
+        60,
+        50000,
+        49,
+        60,
+        0,
+        -11021.953484617001,
+    ],
+    [
+        0.0074999999999999997,
+        360,
+        125000,
+        24,
+        13,
+        0,
+        '#VALUE!',
+    ],
+    [
+        0.0074999999999999997,
+        360,
+        125000,
+        24,
+        13,
+        2,
+        '#NUM!',
+    ],
+];

tests/data/Calculation/Financial/DB.php

@@ -0,0 +1,134 @@
+<?php
+
+// cost, salvage, life, period, month, result
+
+return [
+    [
+        1000000,
+        100000,
+        6,
+        1,
+        7,
+        186083.33333333,
+    ],
+    [
+        1000000,
+        100000,
+        6,
+        2,
+        7,
+        259639.41666667,
+    ],
+    [
+        1000000,
+        100000,
+        6,
+        3,
+        7,
+        176814.44274999999,
+    ],
+    [
+        1000000,
+        100000,
+        6,
+        4,
+        7,
+        120410.63551275,
+    ],
+    [
+        1000000,
+        100000,
+        6,
+        5,
+        7,
+        81999.642784183001,
+    ],
+    [
+        1000000,
+        100000,
+        6,
+        6,
+        7,
+        55841.756736028001,
+    ],
+    [
+        1000000,
+        100000,
+        6,
+        7,
+        7,
+        15845.098473848,
+    ],
+    [
+        10000,
+        1000,
+        5,
+        1,
+        6,
+        1845.0,
+    ],
+    [
+        10000,
+        1000,
+        5,
+        2,
+        6,
+        3009.1950000000002,
+    ],
+    [
+        10000,
+        1000,
+        5,
+        3,
+        6,
+        1898.8020449999999,
+    ],
+    [
+        10000,
+        1000,
+        5,
+        4,
+        6,
+        1198.1440903949999,
+    ],
+    [
+        10000,
+        1000,
+        5,
+        5,
+        6,
+        756.02892103925001,
+    ],
+    [
+        10000,
+        1000,
+        5,
+        6,
+        6,
+        238.52712458788,
+    ],
+    [
+        0,
+        0,
+        5,
+        6,
+        6,
+        0.0,
+    ],
+    [
+        -1000,
+        100,
+        5,
+        6,
+        6,
+        '#NUM!',
+    ],
+    [
+        'ABC',
+        100,
+        5,
+        6,
+        6,
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/Financial/DDB.php

@@ -0,0 +1,115 @@
+<?php
+
+// cost, salvage, life, period, month, result
+
+return [
+    [
+        2400,
+        300,
+        36500,
+        1,
+        0.13150684931507001,
+    ],
+    [
+        2400,
+        300,
+        36500,
+        2,
+        0.13149964346031001,
+    ],
+    [
+        2400,
+        300,
+        36500,
+        7,
+        0.13146362010870999,
+    ],
+    [
+        2400,
+        300,
+        36500,
+        7,
+        14,
+        0.91843145432707995,
+    ],
+    [
+        2400,
+        300,
+        120,
+        1,
+        2,
+        40.0,
+    ],
+    [
+        2400,
+        300,
+        10,
+        1,
+        2,
+        480.0,
+    ],
+    [
+        2400,
+        300,
+        10,
+        2,
+        1.5,
+        306.0,
+    ],
+    [
+        2400,
+        300,
+        10,
+        10,
+        22.122547200000302,
+    ],
+    [
+        10000,
+        1000,
+        5,
+        1,
+        4000.0,
+    ],
+    [
+        10000,
+        1000,
+        5,
+        2,
+        2400.0,
+    ],
+    [
+        10000,
+        1000,
+        5,
+        3,
+        1440.0,
+    ],
+    [
+        10000,
+        1000,
+        5,
+        4,
+        864.0,
+    ],
+    [
+        10000,
+        1000,
+        5,
+        5,
+        296.0,
+    ],
+    [
+        -2400,
+        300,
+        36500,
+        1,
+        '#NUM!',
+    ],
+    [
+        'ABC',
+        300,
+        36500,
+        1,
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/Financial/DISC.php

@@ -0,0 +1,43 @@
+<?php
+
+// settlement, maturity, price, redemption, basis, result
+
+return [
+    [
+        '2007-01-25',
+        '2007-06-15',
+        97.974999999999994,
+        100,
+        1,
+        0.052420213,
+    ],
+    [
+        '2010-04-01',
+        '2015-03-31',
+        95,
+        100,
+        0.01,
+    ],
+    [
+        '2010-04-01',
+        '2015-03-31',
+        0,
+        100,
+        '#NUM!',
+    ],
+    [
+        '2010-04-01',
+        '2015-03-31',
+        'ABC',
+        100,
+        '#VALUE!',
+    ],
+    [
+        'Invalid Date',
+        '2007-06-15',
+        97.974999999999994,
+        100,
+        1,
+        '#VALUE!',
+    ],
+];

tests/data/Calculation/Financial/DOLLARDE.php

@@ -0,0 +1,51 @@
+<?php
+
+// fractional_dollar, fraction, result
+
+return [
+    [
+        1.02,
+        16,
+        1.125,
+    ],
+    [
+        1.1000000000000001,
+        32,
+        1.3125,
+    ],
+    [
+        1.01,
+        16,
+        1.0625,
+    ],
+    [
+        1.1000000000000001,
+        16,
+        1.625,
+    ],
+    [
+        1.03,
+        32,
+        1.09375,
+    ],
+    [
+        1.3,
+        32,
+        1.9375,
+    ],
+    [
+        1.1200000000000001,
+        32,
+        1.375,
+    ],
+    [
+        1.2344999999999999,
+        0,
+        '#DIV/0!',
+    ],
+    [
+        1.2344999999999999,
+        -2,
+        '#NUM!',
+    ],
+];

tests/data/Calculation/Financial/DOLLARFR.php

@@ -0,0 +1,51 @@
+<?php
+
+// decimal_dollar, fraction, result
+
+return [
+    [
+        1.125,
+        16,
+        1.02,
+    ],
+    [
+        1.125,
+        32,
+        1.04,
+    ],
+    [
+        1.0625,
+        16,
+        1.01,
+    ],
+    [
+        1.625,
+        16,
+        1.1000000000000001,
+    ],
+    [
+        1.09375,
+        32,
+        1.03,
+    ],
+    [
+        1.9375,
+        32,
+        1.3,
+    ],
+    [
+        1.375,
+        32,
+        1.1200000000000001,
+    ],
+    [
+        1.2344999999999999,
+        0,
+        '#DIV/0!',
+    ],
+    [
+        1.2344999999999999,
+        -2,
+        '#NUM!',
+    ],
+];

tests/data/Calculation/Financial/EFFECT.php

@@ -0,0 +1,31 @@
+<?php
+
+// nominal_rate, npery, Result
+
+return [
+    [
+        0.052499999999999998,
+        4,
+        0.053542667370758003,
+    ],
+    [
+        0.10000000000000001,
+        4,
+        0.103812890625,
+    ],
+    [
+        0.10000000000000001,
+        2,
+        0.10249999999999999,
+    ],
+    [
+        0.025000000000000001,
+        2,
+        0.025156250000000002,
+    ],
+    [
+        1,
+        0,
+        '#NUM!',
+    ],
+];

tests/data/Calculation/Financial/FV.php

@@ -0,0 +1,65 @@
+<?php
+
+// rate, nper, pmt, pv, type, Result
+
+return [
+    [
+        0.0050000000000000001,
+        10,
+        -200,
+        -500,
+        1,
+        2581.4033740600998,
+    ],
+    [
+        0.01,
+        12,
+        -1000,
+        12682.503013197,
+    ],
+    [
+        0.0091666666670000008,
+        35,
+        -2000,
+        null,
+        1,
+        82846.246372417998,
+    ],
+    [
+        0.0050000000000000001,
+        12,
+        -100,
+        -1000,
+        1,
+        2301.4018303408998,
+    ],
+    [
+        0.0041666666669999998,
+        60,
+        -1000,
+        68006.082841536001,
+    ],
+    [
+        0.025000000000000001,
+        16,
+        -2000,
+        0,
+        1,
+        39729.460894165997,
+    ],
+    [
+        0.10000000000000001,
+        12,
+        -100,
+        0,
+        2,
+        '#NUM!',
+    ],
+    [
+        0.0,
+        12,
+        -100,
+        -100,
+        1300,
+    ],
+];

tests/data/Calculation/Financial/FVSCHEDULE.php

@@ -0,0 +1,39 @@
+<?php
+
+// principal, schedule, Result
+
+return [
+    [
+        1,
+        [
+            [
+                0.089999999999999997,
+                0.11,
+                0.10000000000000001,
+            ],
+        ],
+        1.3308899999999999,
+    ],
+    [
+        10,
+        [
+            0.089999999999999997,
+            0.11,
+            0.10000000000000001,
+        ],
+        13.3089,
+    ],
+    [
+        10000,
+        [
+            [
+                0.050000000000000003,
+                0.050000000000000003,
+                0.035000000000000003,
+                0.035000000000000003,
+                0.035000000000000003,
+            ],
+        ],
+        12223.614571874999,
+    ],
+];

tests/data/Calculation/Financial/INTRATE.php

@@ -0,0 +1,45 @@
+<?php
+
+// Settlement, Maturity, Investment, Redemption, Basis, Result
+
+return [
+    [
+        '2008-02-15',
+        '2008-05-15',
+        1000000,
+        1014420,
+        2,
+        0.057680000000000002,
+    ],
+    [
+        '2005-04-01',
+        '2010-03-31',
+        1000,
+        2125,
+        0.22500000000000001,
+    ],
+    [
+        '2008-02-15',
+        '2008-05-15',
+        1000000,
+        1014420,
+        'ABC',
+        '#VALUE!',
+    ],
+    [
+        '2008-02-15',
+        '2008-05-15',
+        1000000,
+        -1014420,
+        2,
+        '#NUM!',
+    ],
+    [
+        'Invalid Date',
+        '2008-05-15',
+        1000000,
+        1014420,
+        2,
+        '#VALUE!',
+    ],
+];