From 7e1bf823cc25df0ab450eb6cebdcb517fac4d42b Mon Sep 17 00:00:00 2001
From: Rinat Gumirov <rinat.gumirov@mail.ru>
Date: Wed, 2 Oct 2019 23:08:36 +0500
Subject: [PATCH] Add ReferenceHelper::cellSort and
 ReferenceHelper::cellReverseSort tests

---
 .../ReferenceHelperTest.php                   | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/tests/PhpSpreadsheetTests/ReferenceHelperTest.php b/tests/PhpSpreadsheetTests/ReferenceHelperTest.php
index 08b290d0..c1f13a73 100644
--- a/tests/PhpSpreadsheetTests/ReferenceHelperTest.php
+++ b/tests/PhpSpreadsheetTests/ReferenceHelperTest.php
@@ -53,4 +53,46 @@ class ReferenceHelperTest extends TestCase
             self::assertEquals($columnExpectedResult[$key], $value);
         }
     }
+
+    public function testCellSort()
+    {
+        $cellBase = $columnExpectedResult = [
+            'A1', 'B1', 'AZB1',
+            'BBB1', 'BB2', 'BAB2',
+            'BZA2', 'Z3', 'AZA3',
+            'BZB3', 'AB5', 'AZ6',
+            'ABZ7', 'BA9', 'BZ9',
+            'AAA9', 'AAZ9', 'BA10',
+            'BZZ10', 'ZA11', 'AAB11',
+            'BBZ29', 'BAA32', 'ZZ43',
+            'AZZ43', 'BAZ67', 'ZB78',
+            'ABA121', 'ABB289', 'BBA544',
+        ];
+        shuffle($cellBase);
+        usort($cellBase, [ReferenceHelper::class, 'cellSort']);
+        foreach ($cellBase as $key => $value) {
+            self::assertEquals($columnExpectedResult[$key], $value);
+        }
+    }
+
+    public function testCellReverseSort()
+    {
+        $cellBase = $columnExpectedResult = [
+            'BBA544', 'ABB289', 'ABA121',
+            'ZB78', 'BAZ67', 'AZZ43',
+            'ZZ43', 'BAA32', 'BBZ29',
+            'AAB11', 'ZA11', 'BZZ10',
+            'BA10', 'AAZ9', 'AAA9',
+            'BZ9', 'BA9', 'ABZ7',
+            'AZ6', 'AB5', 'BZB3',
+            'AZA3', 'Z3', 'BZA2',
+            'BAB2', 'BB2', 'BBB1',
+            'AZB1', 'B1', 'A1',
+        ];
+        shuffle($cellBase);
+        usort($cellBase, [ReferenceHelper::class, 'cellReverseSort']);
+        foreach ($cellBase as $key => $value) {
+            self::assertEquals($columnExpectedResult[$key], $value);
+        }
+    }
 }