diff --git a/Classes/PHPExcel/Shared/Font.php b/Classes/PHPExcel/Shared/Font.php
index 47f6b727..62260d8c 100644
--- a/Classes/PHPExcel/Shared/Font.php
+++ b/Classes/PHPExcel/Shared/Font.php
@@ -39,6 +39,11 @@ class PHPExcel_Shared_Font
 	const AUTOSIZE_METHOD_APPROX	= 'approx';
 	const AUTOSIZE_METHOD_EXACT		= 'exact';
 
+	private static $_autoSizeMethods = array(
+		self::AUTOSIZE_METHOD_APPROX,
+		self::AUTOSIZE_METHOD_EXACT,
+	);
+
 	/** Character set codes used by BIFF5-8 in Font records */
 	const CHARSET_ANSI_LATIN				= 0x00;
 	const CHARSET_SYSTEM_DEFAULT			= 0x01;
@@ -187,10 +192,17 @@ class PHPExcel_Shared_Font
 	 * Set autoSize method
 	 *
 	 * @param string $pValue
+	 * @return	 boolean					Success or failure
 	 */
-	public static function setAutoSizeMethod($pValue = 'approx')
+	public static function setAutoSizeMethod($pValue = self::AUTOSIZE_METHOD_APPROX)
 	{
+		if (!in_array($pValue,self::$_autoSizeMethods)) {
+			return FALSE;
+		}
+
 		self::$autoSizeMethod = $pValue;
+
+		return TRUE;
 	}
 
 	/**
diff --git a/Classes/PHPExcel/Style/Color.php b/Classes/PHPExcel/Style/Color.php
index a94a0eda..89c919b6 100644
--- a/Classes/PHPExcel/Style/Color.php
+++ b/Classes/PHPExcel/Style/Color.php
@@ -213,7 +213,7 @@ class PHPExcel_Style_Color implements PHPExcel_IComparable
 	 * @throws	Exception
 	 * @return PHPExcel_Style_Color
 	 */
-	public function applyFromArray($pStyles = null) {
+	public function applyFromArray($pStyles = NULL) {
 		if (is_array($pStyles)) {
 			if ($this->_isSupervisor) {
 				$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
@@ -303,8 +303,8 @@ class PHPExcel_Style_Color implements PHPExcel_IComparable
 	 *									decimal value
 	 * @return	string		The extracted colour component
 	 */
-	private static function _getColourComponent($RGB,$offset,$hex=true) {
-		$colour = substr($RGB,$offset,2);
+	private static function _getColourComponent($RGB,$offset,$hex=TRUE) {
+		$colour = substr($RGB, $offset, 2);
 		if (!$hex)
 			$colour = hexdec($colour);
 		return $colour;
@@ -318,11 +318,11 @@ class PHPExcel_Style_Color implements PHPExcel_IComparable
 	 *									decimal value
 	 * @return	string		The red colour component
 	 */
-	public static function getRed($RGB,$hex=true) {
+	public static function getRed($RGB,$hex=TRUE) {
 		if (strlen($RGB) == 8) {
-			return self::_getColourComponent($RGB,2,$hex);
+			return self::_getColourComponent($RGB, 2, $hex);
 		} elseif (strlen($RGB) == 6) {
-			return self::_getColourComponent($RGB,0,$hex);
+			return self::_getColourComponent($RGB, 0, $hex);
 		}
 	}
 
@@ -334,11 +334,11 @@ class PHPExcel_Style_Color implements PHPExcel_IComparable
 	 *									decimal value
 	 * @return	string		The green colour component
 	 */
-	public static function getGreen($RGB,$hex=true) {
+	public static function getGreen($RGB,$hex=TRUE) {
 		if (strlen($RGB) == 8) {
-			return self::_getColourComponent($RGB,4,$hex);
+			return self::_getColourComponent($RGB, 4, $hex);
 		} elseif (strlen($RGB) == 6) {
-			return self::_getColourComponent($RGB,2,$hex);
+			return self::_getColourComponent($RGB, 2, $hex);
 		}
 	}
 
@@ -350,25 +350,27 @@ class PHPExcel_Style_Color implements PHPExcel_IComparable
 	 *									decimal value
 	 * @return	string		The blue colour component
 	 */
-	public static function getBlue($RGB,$hex=true) {
+	public static function getBlue($RGB,$hex=TRUE) {
 		if (strlen($RGB) == 8) {
-			return self::_getColourComponent($RGB,6,$hex);
+			return self::_getColourComponent($RGB, 6, $hex);
 		} elseif (strlen($RGB) == 6) {
-			return self::_getColourComponent($RGB,4,$hex);
+			return self::_getColourComponent($RGB, 4, $hex);
 		}
 	}
 
 	/**
 	 * Adjust the brightness of a color
 	 *
-	 * @param	string		$hex	The colour as an RGB value (e.g. FF00CCCC or CCDDEE
+	 * @param	string		$hex	The colour as an RGBA or RGB value (e.g. FF00CCCC or CCDDEE)
 	 * @param	float		$adjustPercentage	The percentage by which to adjust the colour as a float from -1 to 1
-	 * @return	string		The adjusted colour as an RGB value (e.g. FF00CCCC or CCDDEE
+	 * @return	string		The adjusted colour as an RGBA or RGB value (e.g. FF00CCCC or CCDDEE)
 	 */
 	public static function changeBrightness($hex, $adjustPercentage) {
-		$red	= self::getRed($hex,false);
-		$green	= self::getGreen($hex,false);
-		$blue	= self::getBlue($hex,false);
+		$rgba = (strlen($hex) == 8);
+
+		$red	= self::getRed($hex, FALSE);
+		$green	= self::getGreen($hex, FALSE);
+		$blue	= self::getBlue($hex, FALSE);
 		if ($adjustPercentage > 0) {
 			$red	+= (255 - $red) * $adjustPercentage;
 			$green	+= (255 - $green) * $adjustPercentage;
@@ -386,10 +388,11 @@ class PHPExcel_Style_Color implements PHPExcel_IComparable
 		if ($blue < 0) $blue = 0;
 		elseif ($blue > 255) $blue = 255;
 
-		return strtoupper(	str_pad(dechex($red), 2, '0', 0) .
+		$rgb = strtoupper(	str_pad(dechex($red), 2, '0', 0) .
 							str_pad(dechex($green), 2, '0', 0) .
 							str_pad(dechex($blue), 2, '0', 0)
 						 );
+		return (($rgba) ? 'FF' : '') . $rgb;
 	}
 
 	/**
@@ -400,7 +403,7 @@ class PHPExcel_Style_Color implements PHPExcel_IComparable
 	 *											should be returned if the indexed colour doesn't exist
 	 * @return	PHPExcel_Style_Color
 	 */
-	public static function indexedColor($pIndex, $background=false) {
+	public static function indexedColor($pIndex, $background=FALSE) {
 		// Clean parameter
 		$pIndex = intval($pIndex);
 
diff --git a/unitTests/Classes/PHPExcel/Cell/HyperlinkTest.php b/unitTests/Classes/PHPExcel/Cell/HyperlinkTest.php
new file mode 100644
index 00000000..54910cfd
--- /dev/null
+++ b/unitTests/Classes/PHPExcel/Cell/HyperlinkTest.php
@@ -0,0 +1,88 @@
+<?php
+
+
+class HyperlinkTest extends PHPUnit_Framework_TestCase
+{
+
+    public function setUp()
+    {
+        if (!defined('PHPEXCEL_ROOT'))
+        {
+            define('PHPEXCEL_ROOT', APPLICATION_PATH . '/');
+        }
+        require_once(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
+	}
+
+	public function testGetUrl()
+	{
+		$urlValue = 'http://www.phpexcel.net';
+
+		$testInstance = new PHPExcel_Cell_Hyperlink($urlValue);
+
+		$result = $testInstance->getUrl();
+		$this->assertEquals($urlValue,$result);
+	}
+
+	public function testSetUrl()
+	{
+		$initialUrlValue = 'http://www.phpexcel.net';
+		$newUrlValue = 'http://github.com/PHPOffice/PHPExcel';
+
+		$testInstance = new PHPExcel_Cell_Hyperlink($initialUrlValue);
+		$result = $testInstance->setUrl($newUrlValue);
+		$this->assertTrue($result instanceof PHPExcel_Cell_Hyperlink);
+
+		$result = $testInstance->getUrl();
+		$this->assertEquals($newUrlValue,$result);
+	}
+
+	public function testGetTooltip()
+	{
+		$tooltipValue = 'PHPExcel Web Site';
+
+		$testInstance = new PHPExcel_Cell_Hyperlink(NULL, $tooltipValue);
+
+		$result = $testInstance->getTooltip();
+		$this->assertEquals($tooltipValue,$result);
+	}
+
+	public function testSetTooltip()
+	{
+		$initialTooltipValue = 'PHPExcel Web Site';
+		$newTooltipValue = 'PHPExcel Repository on Github';
+
+		$testInstance = new PHPExcel_Cell_Hyperlink(NULL, $initialTooltipValue);
+		$result = $testInstance->setTooltip($newTooltipValue);
+		$this->assertTrue($result instanceof PHPExcel_Cell_Hyperlink);
+
+		$result = $testInstance->getTooltip();
+		$this->assertEquals($newTooltipValue,$result);
+	}
+
+	public function testIsInternal()
+	{
+		$initialUrlValue = 'http://www.phpexcel.net';
+		$newUrlValue = 'sheet://Worksheet1!A1';
+
+		$testInstance = new PHPExcel_Cell_Hyperlink($initialUrlValue);
+		$result = $testInstance->isInternal();
+		$this->assertFalse($result);
+
+		$testInstance->setUrl($newUrlValue);
+		$result = $testInstance->isInternal();
+		$this->assertTrue($result);
+	}
+
+	public function testGetHashCode()
+	{
+		$urlValue = 'http://www.phpexcel.net';
+		$tooltipValue = 'PHPExcel Web Site';
+		$initialExpectedHash = 'd84d713aed1dbbc8a7c5af183d6c7dbb';
+
+		$testInstance = new PHPExcel_Cell_Hyperlink($urlValue, $tooltipValue);
+
+		$result = $testInstance->getHashCode();
+		$this->assertEquals($initialExpectedHash,$result);
+	}
+
+}
diff --git a/unitTests/Classes/PHPExcel/Shared/FontTest.php b/unitTests/Classes/PHPExcel/Shared/FontTest.php
new file mode 100644
index 00000000..6ce5a026
--- /dev/null
+++ b/unitTests/Classes/PHPExcel/Shared/FontTest.php
@@ -0,0 +1,94 @@
+<?php
+
+
+require_once 'testDataFileIterator.php';
+
+class FontTest extends PHPUnit_Framework_TestCase
+{
+
+    public function setUp()
+    {
+        if (!defined('PHPEXCEL_ROOT')) {
+            define('PHPEXCEL_ROOT', APPLICATION_PATH . '/');
+        }
+        require_once(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
+	}
+
+	public function testGetAutoSizeMethod()
+	{
+		$expectedResult = PHPExcel_Shared_Font::AUTOSIZE_METHOD_APPROX;
+
+		$result = call_user_func(array('PHPExcel_Shared_Font','getAutoSizeMethod'));
+		$this->assertEquals($expectedResult, $result);
+	}
+
+	public function testSetAutoSizeMethod()
+	{
+		$autosizeMethodValues = array(
+			PHPExcel_Shared_Font::AUTOSIZE_METHOD_EXACT,
+			PHPExcel_Shared_Font::AUTOSIZE_METHOD_APPROX,
+		);
+
+		foreach($autosizeMethodValues as $autosizeMethodValue) {
+			$result = call_user_func(array('PHPExcel_Shared_Font','setAutoSizeMethod'),$autosizeMethodValue);
+			$this->assertTrue($result);
+		}
+	}
+
+    public function testSetAutoSizeMethodWithInvalidValue()
+	{
+		$unsupportedAutosizeMethod = 'guess';
+
+		$result = call_user_func(array('PHPExcel_Shared_Font','setAutoSizeMethod'),$unsupportedAutosizeMethod);
+		$this->assertFalse($result);
+	}
+
+    /**
+     * @dataProvider providerFontSizeToPixels
+     */
+	public function testFontSizeToPixels()
+	{
+		$args = func_get_args();
+		$expectedResult = array_pop($args);
+		$result = call_user_func_array(array('PHPExcel_Shared_Font','fontSizeToPixels'),$args);
+		$this->assertEquals($expectedResult, $result);
+	}
+
+    public function providerFontSizeToPixels()
+    {
+    	return new testDataFileIterator('rawTestData/Shared/FontSizeToPixels.data');
+	}
+
+    /**
+     * @dataProvider providerInchSizeToPixels
+     */
+	public function testInchSizeToPixels()
+	{
+		$args = func_get_args();
+		$expectedResult = array_pop($args);
+		$result = call_user_func_array(array('PHPExcel_Shared_Font','inchSizeToPixels'),$args);
+		$this->assertEquals($expectedResult, $result);
+	}
+
+    public function providerInchSizeToPixels()
+    {
+    	return new testDataFileIterator('rawTestData/Shared/InchSizeToPixels.data');
+	}
+
+    /**
+     * @dataProvider providerCentimeterSizeToPixels
+     */
+	public function testCentimeterSizeToPixels()
+	{
+		$args = func_get_args();
+		$expectedResult = array_pop($args);
+		$result = call_user_func_array(array('PHPExcel_Shared_Font','centimeterSizeToPixels'),$args);
+		$this->assertEquals($expectedResult, $result);
+	}
+
+    public function providerCentimeterSizeToPixels()
+    {
+    	return new testDataFileIterator('rawTestData/Shared/CentimeterSizeToPixels.data');
+	}
+
+}
diff --git a/unitTests/Classes/PHPExcel/Shared/PasswordHasherTest.php b/unitTests/Classes/PHPExcel/Shared/PasswordHasherTest.php
new file mode 100644
index 00000000..24a26178
--- /dev/null
+++ b/unitTests/Classes/PHPExcel/Shared/PasswordHasherTest.php
@@ -0,0 +1,33 @@
+<?php
+
+
+require_once 'testDataFileIterator.php';
+
+class PasswordHasherTest extends PHPUnit_Framework_TestCase
+{
+
+    public function setUp()
+    {
+        if (!defined('PHPEXCEL_ROOT')) {
+            define('PHPEXCEL_ROOT', APPLICATION_PATH . '/');
+        }
+        require_once(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
+	}
+
+    /**
+     * @dataProvider providerHashPassword
+     */
+	public function testHashPassword()
+	{
+		$args = func_get_args();
+		$expectedResult = array_pop($args);
+		$result = call_user_func_array(array('PHPExcel_Shared_PasswordHasher','hashPassword'),$args);
+		$this->assertEquals($expectedResult, $result);
+	}
+
+    public function providerHashPassword()
+    {
+    	return new testDataFileIterator('rawTestData/Shared/PasswordHashes.data');
+	}
+
+}
diff --git a/unitTests/Classes/PHPExcel/Style/ColorTest.php b/unitTests/Classes/PHPExcel/Style/ColorTest.php
new file mode 100644
index 00000000..f157b1a3
--- /dev/null
+++ b/unitTests/Classes/PHPExcel/Style/ColorTest.php
@@ -0,0 +1,81 @@
+<?php
+
+
+require_once 'testDataFileIterator.php';
+
+class ColorTest extends PHPUnit_Framework_TestCase
+{
+
+    public function setUp()
+    {
+        if (!defined('PHPEXCEL_ROOT')) {
+            define('PHPEXCEL_ROOT', APPLICATION_PATH . '/');
+        }
+        require_once(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
+	}
+
+    /**
+     * @dataProvider providerColorGetRed
+     */
+	public function testGetRed()
+	{
+		$args = func_get_args();
+		$expectedResult = array_pop($args);
+		$result = call_user_func_array(array('PHPExcel_Style_Color','getRed'),$args);
+		$this->assertEquals($expectedResult, $result);
+	}
+
+    public function providerColorGetRed()
+    {
+    	return new testDataFileIterator('rawTestData/Style/ColorGetRed.data');
+	}
+
+    /**
+     * @dataProvider providerColorGetGreen
+     */
+	public function testGetGreen()
+	{
+		$args = func_get_args();
+		$expectedResult = array_pop($args);
+		$result = call_user_func_array(array('PHPExcel_Style_Color','getGreen'),$args);
+		$this->assertEquals($expectedResult, $result);
+	}
+
+    public function providerColorGetGreen()
+    {
+    	return new testDataFileIterator('rawTestData/Style/ColorGetGreen.data');
+	}
+
+    /**
+     * @dataProvider providerColorGetBlue
+     */
+	public function testGetBlue()
+	{
+		$args = func_get_args();
+		$expectedResult = array_pop($args);
+		$result = call_user_func_array(array('PHPExcel_Style_Color','getBlue'),$args);
+		$this->assertEquals($expectedResult, $result);
+	}
+
+    public function providerColorGetBlue()
+    {
+    	return new testDataFileIterator('rawTestData/Style/ColorGetBlue.data');
+	}
+
+    /**
+     * @dataProvider providerColorChangeBrightness
+     */
+	public function testChangeBrightness()
+	{
+		$args = func_get_args();
+		$expectedResult = array_pop($args);
+		$result = call_user_func_array(array('PHPExcel_Style_Color','changeBrightness'),$args);
+		$this->assertEquals($expectedResult, $result);
+	}
+
+    public function providerColorChangeBrightness()
+    {
+    	return new testDataFileIterator('rawTestData/Style/ColorChangeBrightness.data');
+	}
+
+}
diff --git a/unitTests/rawTestData/Shared/CentimeterSizeToPixels.data b/unitTests/rawTestData/Shared/CentimeterSizeToPixels.data
new file mode 100644
index 00000000..fc48f21a
--- /dev/null
+++ b/unitTests/rawTestData/Shared/CentimeterSizeToPixels.data
@@ -0,0 +1,5 @@
+0.1,	3.7795275591
+0.2,	7.5590551182
+0.5,	18.8976377955
+1.0,	37.795275591
+2.0,	75.590551182
diff --git a/unitTests/rawTestData/Shared/FontSizeToPixels.data b/unitTests/rawTestData/Shared/FontSizeToPixels.data
new file mode 100644
index 00000000..af89196d
--- /dev/null
+++ b/unitTests/rawTestData/Shared/FontSizeToPixels.data
@@ -0,0 +1,16 @@
+6,	8
+7,	9
+8,	10
+9,	12
+10,	13
+11,	14
+12,	16
+14,	18
+16,	21
+18,	24
+20,	26
+22,	29
+24,	32
+36,	48
+48,	64
+60,	80
diff --git a/unitTests/rawTestData/Shared/InchSizeToPixels.data b/unitTests/rawTestData/Shared/InchSizeToPixels.data
new file mode 100644
index 00000000..147eaa98
--- /dev/null
+++ b/unitTests/rawTestData/Shared/InchSizeToPixels.data
@@ -0,0 +1,5 @@
+0.1,	9.6
+0.2,	19.2
+0.5,	48.0
+1.0,	96.0
+2.0,	192.0
diff --git a/unitTests/rawTestData/Shared/PasswordHashes.data b/unitTests/rawTestData/Shared/PasswordHashes.data
new file mode 100644
index 00000000..8ceffa45
--- /dev/null
+++ b/unitTests/rawTestData/Shared/PasswordHashes.data
@@ -0,0 +1,9 @@
+"PHPExcel",						"8053"
+"Mark Baker",					"877D"
+"I<3Am3l1a/*",					"E3C8"
+"μυστικό κωδικό πρόσβασης",		"FFFF26DD"
+"গোপন পাসওয়ার্ড",						"E858"
+"Секретный пароль",				"EA5F"
+"秘密口令",						"C07E"
+"leyndarmál lykilorð",			"99E8"
+"",								"CE4B"
diff --git a/unitTests/rawTestData/Style/ColorChangeBrightness.data b/unitTests/rawTestData/Style/ColorChangeBrightness.data
new file mode 100644
index 00000000..de5eeaf5
--- /dev/null
+++ b/unitTests/rawTestData/Style/ColorChangeBrightness.data
@@ -0,0 +1,14 @@
+"FFAABBCC",	0.1,	"FFB2C1D1"	//	RGBA
+"FFAABBCC",	-0.1,	"FF99A8B7"	//	RGBA
+"AABBCC",	0.1,	"B2C1D1"	//	RGB
+"AABBCC",	-0.1,	"99A8B7"	//	RGB
+"FF0000",	0.1,	"FF1919"
+"FF0000",	-0.1,	"E50000"
+"FF8080",	0.1,	"FF8C8C"
+"FF8080",	-0.1,	"E57373"
+"FF0000",	0.15,	"FF2626"
+"FF0000",	-0.15,	"D80000"
+"FF8080",	0.15,	"FF9393"
+"FF8080",	-0.15,	"D86C6C"
+"FFF008",	0.5,	"FFF783"
+"FFF008",	-0.5,	"7F7804"
diff --git a/unitTests/rawTestData/Style/ColorGetBlue.data b/unitTests/rawTestData/Style/ColorGetBlue.data
new file mode 100644
index 00000000..4e01d1c7
--- /dev/null
+++ b/unitTests/rawTestData/Style/ColorGetBlue.data
@@ -0,0 +1,6 @@
+"FFAABBCC",		"CC"	//	RGBA (hex)
+"FFAABBCC",	FALSE,	204	//	RGBA (decimal)
+"AABBCC",		"CC"	//	RGB (hex)
+"AABBCC",	FALSE,	204	//	RGB (decimal)
+"FFFF00",		"00"
+"FFFF00",	FALSE,	0
diff --git a/unitTests/rawTestData/Style/ColorGetGreen.data b/unitTests/rawTestData/Style/ColorGetGreen.data
new file mode 100644
index 00000000..0ace6103
--- /dev/null
+++ b/unitTests/rawTestData/Style/ColorGetGreen.data
@@ -0,0 +1,6 @@
+"FFAABBCC",		"BB"	//	RGBA (hex)
+"FFAABBCC",	FALSE,	187	//	RGBA (decimal)
+"AABBCC",		"BB"	//	RGB (hex)
+"AABBCC",	FALSE,	187	//	RGB (decimal)
+"FF00FF",		"00"
+"FF00FF",	FALSE,	0
diff --git a/unitTests/rawTestData/Style/ColorGetRed.data b/unitTests/rawTestData/Style/ColorGetRed.data
new file mode 100644
index 00000000..1692a6ad
--- /dev/null
+++ b/unitTests/rawTestData/Style/ColorGetRed.data
@@ -0,0 +1,6 @@
+"FFAABBCC",		"AA"	//	RGBA (hex)
+"FFAABBCC",	FALSE,	170	//	RGBA (decimal)
+"AABBCC",		"AA"	//	RGB (hex)
+"AABBCC",	FALSE,	170	//	RGB (decimal)
+"00FFFF",		"00"
+"00FFFF",	FALSE,	0