diff --git a/.scrutinizer.yml b/.scrutinizer.yml
new file mode 100644
index 00000000..dd558b8e
--- /dev/null
+++ b/.scrutinizer.yml
@@ -0,0 +1,13 @@
+filter:
+    excluded_paths: [ 'vendor/*', 'tests/*', 'samples/*', 'src/PhpWord/Shared/PCLZip/*' ]
+
+before_commands:
+    - "composer install --prefer-source --dev"
+
+tools:
+    php_code_coverage:
+        enabled: true
+        test_command: phpunit -c phpunit.xml.dist
+    php_sim: true
+    php_pdepend: true
+    php_analyzer: true
diff --git a/src/PhpWord/Style/Shading.php b/src/PhpWord/Style/Shading.php
index 677e55d5..3e970e6e 100644
--- a/src/PhpWord/Style/Shading.php
+++ b/src/PhpWord/Style/Shading.php
@@ -25,20 +25,34 @@ namespace PhpOffice\PhpWord\Style;
  */
 class Shading extends AbstractStyle
 {
+    /**
+     * Pattern constants (partly)
+     *
+     * @const string
+     * @link http://www.schemacentral.com/sc/ooxml/t-w_ST_Shd.html
+     */
+    const PATTERN_CLEAR = 'clear'; // No pattern
+    const PATTERN_SOLID = 'solid'; // 100% fill pattern
+    const PATTERN_HSTRIPE = 'horzStripe'; // Horizontal stripe pattern
+    const PATTERN_VSTRIPE = 'vertStripe'; // Vertical stripe pattern
+    const PATTERN_DSTRIPE = 'diagStripe'; // Diagonal stripe pattern
+    const PATTERN_HCROSS = 'horzCross'; // Horizontal cross pattern
+    const PATTERN_DCROSS = 'diagCross'; // Diagonal cross pattern
+
     /**
      * Shading pattern
      *
      * @var string
      * @link http://www.schemacentral.com/sc/ooxml/t-w_ST_Shd.html
      */
-    private $pattern = 'clear';
+    private $pattern = self::PATTERN_CLEAR;
 
     /**
      * Shading pattern color
      *
      * @var string
      */
-    private $color = 'auto';
+    private $color;
 
     /**
      * Shading background color
@@ -75,7 +89,10 @@ class Shading extends AbstractStyle
      */
     public function setPattern($value = null)
     {
-        $this->pattern = $value;
+        $enum = array(self::PATTERN_CLEAR, self::PATTERN_SOLID, self::PATTERN_HSTRIPE,
+            self::PATTERN_VSTRIPE, self::PATTERN_DSTRIPE, self::PATTERN_HCROSS, self::PATTERN_DCROSS);
+
+        $this->pattern = $this->setEnumVal($value, $enum, $this->pattern);
 
         return $this;
     }
diff --git a/src/PhpWord/Style/TOC.php b/src/PhpWord/Style/TOC.php
index 75a20f6a..13a70294 100644
--- a/src/PhpWord/Style/TOC.php
+++ b/src/PhpWord/Style/TOC.php
@@ -22,6 +22,12 @@ namespace PhpOffice\PhpWord\Style;
  */
 class TOC extends Tab
 {
+    /**
+     * Tab leader types for backward compatibility
+     *
+     * @const string
+     * @deprecated 0.11.0
+     */
     const TABLEADER_DOT = self::TAB_LEADER_DOT;
     const TABLEADER_UNDERSCORE = self::TAB_LEADER_UNDERSCORE;
     const TABLEADER_LINE = self::TAB_LEADER_HYPHEN;
@@ -32,8 +38,7 @@ class TOC extends Tab
      *
      * @var int
      */
-    private $indent;
-
+    private $indent = 200;
 
     /**
      * Create a new TOC Style
@@ -41,7 +46,6 @@ class TOC extends Tab
     public function __construct()
     {
         parent::__construct(self::TAB_STOP_RIGHT, 9062, self::TABLEADER_DOT);
-        $this->indent = 200;
     }
 
     /**
diff --git a/src/PhpWord/Style/Table.php b/src/PhpWord/Style/Table.php
index 5ffd557a..7aa108bf 100644
--- a/src/PhpWord/Style/Table.php
+++ b/src/PhpWord/Style/Table.php
@@ -143,6 +143,8 @@ class Table extends Border
     {
         if (!is_null($this->shading)) {
             return $this->shading->getFill();
+        } else {
+            return null;
         }
     }
 
diff --git a/tests/PhpWord/Tests/Collection/CollectionTest.php b/tests/PhpWord/Tests/Collection/CollectionTest.php
new file mode 100644
index 00000000..e3d08da2
--- /dev/null
+++ b/tests/PhpWord/Tests/Collection/CollectionTest.php
@@ -0,0 +1,40 @@
+<?php
+/**
+ * PHPWord
+ *
+ * @link        https://github.com/PHPOffice/PHPWord
+ * @copyright   2014 PHPWord
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWord\Tests\Element;
+
+use PhpOffice\PhpWord\Collection\Footnotes;
+use PhpOffice\PhpWord\Element\Footnote;
+
+/**
+ * Test class for PhpOffice\PhpWord\Element\Collection subnamespace
+ *
+ * Using concrete class Footnotes instead of AbstractCollection
+ */
+class CollectionTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Test collection
+     */
+    public function testCollection()
+    {
+        $object = new Footnotes();
+        $object->addItem(new Footnote()); // addItem #1
+
+        $this->assertEquals(2, $object->addItem(new Footnote())); // addItem #2. Should returns new item index
+        $this->assertEquals(2, $object->countItems()); // There are two items now
+        $this->assertEquals(2, count($object->getItems())); // getItems returns array
+        $this->assertInstanceOf('PhpOffice\\PhpWord\\Element\\Footnote', $object->getItem(1)); // getItem returns object
+        $this->assertNull($object->getItem(3)); // getItem returns null when invalid index is referenced
+
+        $object->setItem(2, null); // Set item #2 to null
+
+        $this->assertNull($object->getItem(2)); // Check if it's null
+    }
+}
diff --git a/tests/PhpWord/Tests/Element/TOCTest.php b/tests/PhpWord/Tests/Element/TOCTest.php
index eaa61c2f..d0ebf343 100644
--- a/tests/PhpWord/Tests/Element/TOCTest.php
+++ b/tests/PhpWord/Tests/Element/TOCTest.php
@@ -61,6 +61,17 @@ class TOCTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('Font Style', $object->getStyleFont());
     }
 
+    /**
+     * Test when no PHPWord object is assigned:
+     */
+    public function testNoPhpWord()
+    {
+        $object = new TOC();
+
+        $this->assertEmpty($object->getTitles());
+        $this->assertNull($object->getPhpWord());
+    }
+
     /**
      * Set/get minDepth and maxDepth
      */
diff --git a/tests/PhpWord/Tests/Style/IndentationTest.php b/tests/PhpWord/Tests/Style/IndentationTest.php
new file mode 100644
index 00000000..d0e88f2c
--- /dev/null
+++ b/tests/PhpWord/Tests/Style/IndentationTest.php
@@ -0,0 +1,53 @@
+<?php
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @link        https://github.com/PHPOffice/PHPWord
+ * @copyright   2010-2014 PHPWord contributors
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWord\Tests\Style;
+
+use PhpOffice\PhpWord\Style\Indentation;
+
+/**
+ * Test class for PhpOffice\PhpWord\Style\Indentation
+ *
+ * @coversDefaultClass \PhpOffice\PhpWord\Style\Indentation
+ */
+class IndentationTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Test get/set
+     */
+    public function testGetSetProperties()
+    {
+        $object = new Indentation();
+        $properties = array(
+            'left' => array(0, 10),
+            'right' => array(0, 10),
+            'firstLine' => array(null, 20),
+            'hanging' => array(null, 20),
+        );
+        foreach ($properties as $property => $value) {
+            list($default, $expected) = $value;
+            $get = "get{$property}";
+            $set = "set{$property}";
+
+            $this->assertEquals($default, $object->$get()); // Default value
+
+            $object->$set($expected);
+
+            $this->assertEquals($expected, $object->$get()); // New value
+        }
+    }
+}
diff --git a/tests/PhpWord/Tests/Style/LineNumberingTest.php b/tests/PhpWord/Tests/Style/LineNumberingTest.php
new file mode 100644
index 00000000..bc4dc603
--- /dev/null
+++ b/tests/PhpWord/Tests/Style/LineNumberingTest.php
@@ -0,0 +1,53 @@
+<?php
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @link        https://github.com/PHPOffice/PHPWord
+ * @copyright   2010-2014 PHPWord contributors
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWord\Tests\Style;
+
+use PhpOffice\PhpWord\Style\LineNumbering;
+
+/**
+ * Test class for PhpOffice\PhpWord\Style\LineNumbering
+ *
+ * @coversDefaultClass \PhpOffice\PhpWord\Style\LineNumbering
+ */
+class LineNumberingTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Test get/set
+     */
+    public function testGetSetProperties()
+    {
+        $object = new LineNumbering();
+        $properties = array(
+            'start' => array(1, 2),
+            'increment' => array(1, 10),
+            'distance' => array(null, 10),
+            'restart' => array(null, 'continuous'),
+        );
+        foreach ($properties as $property => $value) {
+            list($default, $expected) = $value;
+            $get = "get{$property}";
+            $set = "set{$property}";
+
+            $this->assertEquals($default, $object->$get()); // Default value
+
+            $object->$set($expected);
+
+            $this->assertEquals($expected, $object->$get()); // New value
+        }
+    }
+}
diff --git a/tests/PhpWord/Tests/Style/NumberingTest.php b/tests/PhpWord/Tests/Style/NumberingTest.php
new file mode 100644
index 00000000..e1575357
--- /dev/null
+++ b/tests/PhpWord/Tests/Style/NumberingTest.php
@@ -0,0 +1,61 @@
+<?php
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @link        https://github.com/PHPOffice/PHPWord
+ * @copyright   2010-2014 PHPWord contributors
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWord\Tests\Style;
+
+use PhpOffice\PhpWord\Style\Numbering;
+
+/**
+ * Test class for PhpOffice\PhpWord\Style\Numbering
+ *
+ * @coversDefaultClass \PhpOffice\PhpWord\Style\Numbering
+ */
+class NumberingTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Test get/set
+     */
+    public function testGetSetProperties()
+    {
+        $this->object = new Numbering();
+        $this->properties = array(
+            'numId'  => array(null, 1),
+            'type'   => array(null, 'singleLevel'),
+        );
+        foreach ($this->properties as $property => $value) {
+            list($default, $expected) = $value;
+            $get = "get{$property}";
+            $set = "set{$property}";
+
+            $this->assertEquals($default, $this->object->$get()); // Default value
+
+            $this->object->$set($expected);
+
+            $this->assertEquals($expected, $this->object->$get()); // New value
+        }
+    }
+
+    /**
+     * Test get level
+     */
+    public function testGetLevels()
+    {
+        $this->object = new Numbering();
+
+        $this->assertEmpty($this->object->getLevels());
+    }
+}
diff --git a/tests/PhpWord/Tests/Style/ShadingTest.php b/tests/PhpWord/Tests/Style/ShadingTest.php
new file mode 100644
index 00000000..5a965e1d
--- /dev/null
+++ b/tests/PhpWord/Tests/Style/ShadingTest.php
@@ -0,0 +1,52 @@
+<?php
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @link        https://github.com/PHPOffice/PHPWord
+ * @copyright   2010-2014 PHPWord contributors
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWord\Tests\Style;
+
+use PhpOffice\PhpWord\Style\Shading;
+
+/**
+ * Test class for PhpOffice\PhpWord\Style\Shading
+ *
+ * @coversDefaultClass \PhpOffice\PhpWord\Style\Shading
+ */
+class ShadingTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Test get/set
+     */
+    public function testGetSetProperties()
+    {
+        $object = new Shading();
+        $properties = array(
+            'pattern' => array('clear', 'solid'),
+            'color'   => array(null, 'FF0000'),
+            'fill'    => array(null, 'FF0000'),
+        );
+        foreach ($properties as $property => $value) {
+            list($default, $expected) = $value;
+            $get = "get{$property}";
+            $set = "set{$property}";
+
+            $this->assertEquals($default, $object->$get()); // Default value
+
+            $object->$set($expected);
+
+            $this->assertEquals($expected, $object->$get()); // New value
+        }
+    }
+}
diff --git a/tests/PhpWord/Tests/Style/SpacingTest.php b/tests/PhpWord/Tests/Style/SpacingTest.php
new file mode 100644
index 00000000..a4022b74
--- /dev/null
+++ b/tests/PhpWord/Tests/Style/SpacingTest.php
@@ -0,0 +1,53 @@
+<?php
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @link        https://github.com/PHPOffice/PHPWord
+ * @copyright   2010-2014 PHPWord contributors
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWord\Tests\Style;
+
+use PhpOffice\PhpWord\Style\Spacing;
+
+/**
+ * Test class for PhpOffice\PhpWord\Style\Spacing
+ *
+ * @coversDefaultClass \PhpOffice\PhpWord\Style\Spacing
+ */
+class SpacingTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Test get/set
+     */
+    public function testGetSetProperties()
+    {
+        $object = new Spacing();
+        $properties = array(
+            'before' => array(null, 10),
+            'after' => array(null, 10),
+            'line' => array(null, 10),
+            'rule' => array('auto', 'exact'),
+        );
+        foreach ($properties as $property => $value) {
+            list($default, $expected) = $value;
+            $get = "get{$property}";
+            $set = "set{$property}";
+
+            $this->assertEquals($default, $object->$get()); // Default value
+
+            $object->$set($expected);
+
+            $this->assertEquals($expected, $object->$get()); // New value
+        }
+    }
+}
diff --git a/tests/PhpWord/Tests/Style/TOCTest.php b/tests/PhpWord/Tests/Style/TOCTest.php
index b70ed1bb..e6e32e6b 100644
--- a/tests/PhpWord/Tests/Style/TOCTest.php
+++ b/tests/PhpWord/Tests/Style/TOCTest.php
@@ -23,28 +23,30 @@ use PhpOffice\PhpWord\Style\TOC;
  * Test class for PhpOffice\PhpWord\Style\TOC
  *
  * @coversDefaultClass \PhpOffice\PhpWord\Style\TOC
- * @runTestsInSeparateProcesses
  */
 class TOCTest extends \PHPUnit_Framework_TestCase
 {
     /**
-     * Test properties with normal value
+     * Test get/set
      */
-    public function testProperties()
+    public function testGetSet()
     {
         $object = new TOC();
-
         $properties = array(
-            'position'    => 9062,
-            'leader' => \PhpOffice\PhpWord\Style\Tab::TAB_LEADER_DOT,
-            'indent'    => 200,
+            'tabLeader' => array(TOC::TAB_LEADER_DOT, TOC::TAB_LEADER_UNDERSCORE),
+            'tabPos'    => array(9062, 10),
+            'indent'    => array(200, 10),
         );
-        foreach ($properties as $key => $value) {
-            // set/get
-            $set = "set{$key}";
-            $get = "get{$key}";
-            $object->$set($value);
-            $this->assertEquals($value, $object->$get());
+        foreach ($properties as $property => $value) {
+            list($default, $expected) = $value;
+            $get = "get{$property}";
+            $set = "set{$property}";
+
+            $this->assertEquals($default, $object->$get()); // Default value
+
+            $object->$set($expected);
+
+            $this->assertEquals($expected, $object->$get()); // New value
         }
     }
 }
diff --git a/tests/PhpWord/Tests/Style/TabTest.php b/tests/PhpWord/Tests/Style/TabTest.php
new file mode 100644
index 00000000..784b4e47
--- /dev/null
+++ b/tests/PhpWord/Tests/Style/TabTest.php
@@ -0,0 +1,52 @@
+<?php
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @link        https://github.com/PHPOffice/PHPWord
+ * @copyright   2010-2014 PHPWord contributors
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWord\Tests\Style;
+
+use PhpOffice\PhpWord\Style\Tab;
+
+/**
+ * Test class for PhpOffice\PhpWord\Style\Tab
+ *
+ * @coversDefaultClass \PhpOffice\PhpWord\Style\Tab
+ */
+class TabTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Test get/set
+     */
+    public function testGetSetProperties()
+    {
+        $object = new Tab();
+        $properties = array(
+            'type'     => array(Tab::TAB_STOP_CLEAR, Tab::TAB_STOP_RIGHT),
+            'leader'   => array(Tab::TAB_LEADER_NONE, Tab::TAB_LEADER_DOT),
+            'position' => array(0, 10),
+        );
+        foreach ($properties as $property => $value) {
+            list($default, $expected) = $value;
+            $get = "get{$property}";
+            $set = "set{$property}";
+
+            $this->assertEquals($default, $object->$get()); // Default value
+
+            $object->$set($expected);
+
+            $this->assertEquals($expected, $object->$get()); // New value
+        }
+    }
+}
diff --git a/tests/PhpWord/Tests/Style/TableTest.php b/tests/PhpWord/Tests/Style/TableTest.php
index 6ae2f35c..a7b46c1f 100644
--- a/tests/PhpWord/Tests/Style/TableTest.php
+++ b/tests/PhpWord/Tests/Style/TableTest.php
@@ -38,6 +38,9 @@ class TableTest extends \PHPUnit_Framework_TestCase
         $styleTable = array('bgColor' => 'FF0000');
         $styleFirstRow = array('borderBottomSize' => 3);
 
+        $object = new Table();
+        $this->assertNull($object->getBgColor());
+
         $object = new Table($styleTable, $styleFirstRow);
         $this->assertEquals('FF0000', $object->getBgColor());
 
diff --git a/tests/PhpWord/Tests/Style/TabsTest.php b/tests/PhpWord/Tests/Style/TabsTest.php
deleted file mode 100644
index 94f6c900..00000000
--- a/tests/PhpWord/Tests/Style/TabsTest.php
+++ /dev/null
@@ -1,55 +0,0 @@
-<?php
-/**
- * This file is part of PHPWord - A pure PHP library for reading and writing
- * word processing documents.
- *
- * PHPWord is free software distributed under the terms of the GNU Lesser
- * General Public License version 3 as published by the Free Software Foundation.
- *
- * For the full copyright and license information, please read the LICENSE
- * file that was distributed with this source code. For the full list of
- * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
- *
- * @link        https://github.com/PHPOffice/PHPWord
- * @copyright   2010-2014 PHPWord contributors
- * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
- */
-
-namespace PhpOffice\PhpWord\Tests\Style;
-
-use PhpOffice\PhpWord\PhpWord;
-use PhpOffice\PhpWord\Style\Tab;
-use PhpOffice\PhpWord\Tests\TestHelperDOCX;
-
-/**
- * Test class for PhpOffice\PhpWord\Style\Tab
- *
- * @coversDefaultClass \PhpOffice\PhpWord\Style\Tab
- * @runTestsInSeparateProcesses
- */
-class TabsTest extends \PHPUnit_Framework_TestCase
-{
-    /**
-     * Executed before each method of the class
-     */
-    public function tearDown()
-    {
-        TestHelperDOCX::clear();
-    }
-
-    /**
-     * Test if the tabs has been created properly
-     */
-    public function testTabsStyle()
-    {
-        $phpWord = new PhpWord();
-        $phpWord->addParagraphStyle('tabbed', array('tabs' => array(new Tab('left', 1440, 'dot'))));
-        $doc = TestHelperDOCX::getDocument($phpWord);
-        $file = 'word/styles.xml';
-        $path = '/w:styles/w:style[@w:styleId="tabbed"]/w:pPr/w:tabs/w:tab[1]';
-        $element = $doc->getElement($path, $file);
-        $this->assertEquals('left', $element->getAttribute('w:val'));
-        $this->assertEquals(1440, $element->getAttribute('w:pos'));
-        $this->assertEquals('dot', $element->getAttribute('w:leader'));
-    }
-}