Initial commit

39 files changed, 3345 insertions, 0 deletions

diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/ConfigCacheTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/ConfigCacheTest.php
new file mode 100644
index 0000000..8271885
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/ConfigCacheTest.php
@@ -0,0 +1,138 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests;
+
+use Symfony\Component\Config\ConfigCache;
+use Symfony\Component\Config\Resource\FileResource;
+
+class ConfigCacheTest extends \PHPUnit_Framework_TestCase
+{
+    private $resourceFile = null;
+
+    private $cacheFile = null;
+
+    private $metaFile = null;
+
+    protected function setUp()
+    {
+        $this->resourceFile = tempnam(sys_get_temp_dir(), '_resource');
+        $this->cacheFile = tempnam(sys_get_temp_dir(), 'config_');
+        $this->metaFile = $this->cacheFile.'.meta';
+
+        $this->makeCacheFresh();
+        $this->generateMetaFile();
+    }
+
+    protected function tearDown()
+    {
+        $files = array($this->cacheFile, $this->metaFile, $this->resourceFile);
+
+        foreach ($files as $file) {
+            if (file_exists($file)) {
+                unlink($file);
+            }
+        }
+    }
+
+    public function testToString()
+    {
+        $cache = new ConfigCache($this->cacheFile, true);
+
+        $this->assertSame($this->cacheFile, (string) $cache);
+    }
+
+    public function testCacheIsNotFreshIfFileDoesNotExist()
+    {
+        unlink($this->cacheFile);
+
+        $cache = new ConfigCache($this->cacheFile, false);
+
+        $this->assertFalse($cache->isFresh());
+    }
+
+    public function testCacheIsAlwaysFreshIfFileExistsWithDebugDisabled()
+    {
+        $this->makeCacheStale();
+
+        $cache = new ConfigCache($this->cacheFile, false);
+
+        $this->assertTrue($cache->isFresh());
+    }
+
+    public function testCacheIsNotFreshWithoutMetaFile()
+    {
+        unlink($this->metaFile);
+
+        $cache = new ConfigCache($this->cacheFile, true);
+
+        $this->assertFalse($cache->isFresh());
+    }
+
+    public function testCacheIsFreshIfResourceIsFresh()
+    {
+        $cache = new ConfigCache($this->cacheFile, true);
+
+        $this->assertTrue($cache->isFresh());
+    }
+
+    public function testCacheIsNotFreshIfOneOfTheResourcesIsNotFresh()
+    {
+        $this->makeCacheStale();
+
+        $cache = new ConfigCache($this->cacheFile, true);
+
+        $this->assertFalse($cache->isFresh());
+    }
+
+    public function testWriteDumpsFile()
+    {
+        unlink($this->cacheFile);
+        unlink($this->metaFile);
+
+        $cache = new ConfigCache($this->cacheFile, false);
+        $cache->write('FOOBAR');
+
+        $this->assertFileExists($this->cacheFile, 'Cache file is created');
+        $this->assertSame('FOOBAR', file_get_contents($this->cacheFile));
+        $this->assertFileNotExists($this->metaFile, 'Meta file is not created');
+    }
+
+    public function testWriteDumpsMetaFileWithDebugEnabled()
+    {
+        unlink($this->cacheFile);
+        unlink($this->metaFile);
+
+        $metadata = array(new FileResource($this->resourceFile));
+
+        $cache = new ConfigCache($this->cacheFile, true);
+        $cache->write('FOOBAR', $metadata);
+
+        $this->assertFileExists($this->cacheFile, 'Cache file is created');
+        $this->assertFileExists($this->metaFile, 'Meta file is created');
+        $this->assertSame(serialize($metadata), file_get_contents($this->metaFile));
+    }
+
+    private function makeCacheFresh()
+    {
+        touch($this->resourceFile, filemtime($this->cacheFile) - 3600);
+    }
+
+    private function makeCacheStale()
+    {
+        touch($this->cacheFile, filemtime($this->resourceFile) - 3600);
+    }
+
+    private function generateMetaFile()
+    {
+        file_put_contents($this->metaFile, serialize(array(new FileResource($this->resourceFile))));
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/ArrayNodeTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/ArrayNodeTest.php
new file mode 100644
index 0000000..291c2fd
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/ArrayNodeTest.php
@@ -0,0 +1,160 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition;
+
+use Symfony\Component\Config\Definition\ArrayNode;
+use Symfony\Component\Config\Definition\ScalarNode;
+
+class ArrayNodeTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidTypeException
+     */
+    public function testNormalizeThrowsExceptionWhenFalseIsNotAllowed()
+    {
+        $node = new ArrayNode('root');
+        $node->normalize(false);
+    }
+
+    /**
+     * @expectedException        \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
+     * @expectedExceptionMessage Unrecognized option "foo" under "root"
+     */
+    public function testExceptionThrownOnUnrecognizedChild()
+    {
+        $node = new ArrayNode('root');
+        $node->normalize(array('foo' => 'bar'));
+    }
+
+    /**
+     * Tests that no exception is thrown for an unrecognized child if the
+     * ignoreExtraKeys option is set to true.
+     *
+     * Related to testExceptionThrownOnUnrecognizedChild
+     */
+    public function testIgnoreExtraKeysNoException()
+    {
+        $node = new ArrayNode('roo');
+        $node->setIgnoreExtraKeys(true);
+
+        $node->normalize(array('foo' => 'bar'));
+        $this->assertTrue(true, 'No exception was thrown when setIgnoreExtraKeys is true');
+    }
+
+    /**
+     * @dataProvider getPreNormalizationTests
+     */
+    public function testPreNormalize($denormalized, $normalized)
+    {
+        $node = new ArrayNode('foo');
+
+        $r = new \ReflectionMethod($node, 'preNormalize');
+        $r->setAccessible(true);
+
+        $this->assertSame($normalized, $r->invoke($node, $denormalized));
+    }
+
+    public function getPreNormalizationTests()
+    {
+        return array(
+            array(
+                array('foo-bar' => 'foo'),
+                array('foo_bar' => 'foo'),
+            ),
+            array(
+                array('foo-bar_moo' => 'foo'),
+                array('foo-bar_moo' => 'foo'),
+            ),
+            array(
+                array('foo-bar' => null, 'foo_bar' => 'foo'),
+                array('foo-bar' => null, 'foo_bar' => 'foo'),
+            ),
+        );
+    }
+
+    /**
+     * @dataProvider getZeroNamedNodeExamplesData
+     */
+    public function testNodeNameCanBeZero($denormalized, $normalized)
+    {
+        $zeroNode = new ArrayNode(0);
+        $zeroNode->addChild(new ScalarNode('name'));
+        $fiveNode = new ArrayNode(5);
+        $fiveNode->addChild(new ScalarNode(0));
+        $fiveNode->addChild(new ScalarNode('new_key'));
+        $rootNode = new ArrayNode('root');
+        $rootNode->addChild($zeroNode);
+        $rootNode->addChild($fiveNode);
+        $rootNode->addChild(new ScalarNode('string_key'));
+        $r = new \ReflectionMethod($rootNode, 'normalizeValue');
+        $r->setAccessible(true);
+
+        $this->assertSame($normalized, $r->invoke($rootNode, $denormalized));
+    }
+
+    public function getZeroNamedNodeExamplesData()
+    {
+        return array(
+            array(
+                array(
+                    0 => array(
+                        'name' => 'something',
+                    ),
+                    5 => array(
+                        0 => 'this won\'t work too',
+                        'new_key' => 'some other value',
+                    ),
+                    'string_key' => 'just value',
+                ),
+                array(
+                    0 => array(
+                        'name' => 'something',
+                    ),
+                    5 => array(
+                        0 => 'this won\'t work too',
+                        'new_key' => 'some other value',
+                    ),
+                    'string_key' => 'just value',
+                ),
+            ),
+        );
+    }
+
+    /**
+     * @dataProvider getPreNormalizedNormalizedOrderedData
+     */
+    public function testChildrenOrderIsMaintainedOnNormalizeValue($prenormalized, $normalized)
+    {
+        $scalar1 = new ScalarNode('1');
+        $scalar2 = new ScalarNode('2');
+        $scalar3 = new ScalarNode('3');
+        $node = new ArrayNode('foo');
+        $node->addChild($scalar1);
+        $node->addChild($scalar3);
+        $node->addChild($scalar2);
+
+        $r = new \ReflectionMethod($node, 'normalizeValue');
+        $r->setAccessible(true);
+
+        $this->assertSame($normalized, $r->invoke($node, $prenormalized));
+    }
+
+    public function getPreNormalizedNormalizedOrderedData()
+    {
+        return array(
+            array(
+                array('2' => 'two', '1' => 'one', '3' => 'three'),
+                array('2' => 'two', '1' => 'one', '3' => 'three'),
+            ),
+        );
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/BooleanNodeTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/BooleanNodeTest.php
new file mode 100644
index 0000000..0753d64
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/BooleanNodeTest.php
@@ -0,0 +1,60 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition;
+
+use Symfony\Component\Config\Definition\BooleanNode;
+
+class BooleanNodeTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @dataProvider getValidValues
+     */
+    public function testNormalize($value)
+    {
+        $node = new BooleanNode('test');
+        $this->assertSame($value, $node->normalize($value));
+    }
+
+    public function getValidValues()
+    {
+        return array(
+            array(false),
+            array(true),
+        );
+    }
+
+    /**
+     * @dataProvider getInvalidValues
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidTypeException
+     */
+    public function testNormalizeThrowsExceptionOnInvalidValues($value)
+    {
+        $node = new BooleanNode('test');
+        $node->normalize($value);
+    }
+
+    public function getInvalidValues()
+    {
+        return array(
+            array(null),
+            array(''),
+            array('foo'),
+            array(0),
+            array(1),
+            array(0.0),
+            array(0.1),
+            array(array()),
+            array(array('foo' => 'bar')),
+            array(new \stdClass()),
+        );
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/ArrayNodeDefinitionTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/ArrayNodeDefinitionTest.php
new file mode 100644
index 0000000..e75ed34
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/ArrayNodeDefinitionTest.php
@@ -0,0 +1,207 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition\Builder;
+
+use Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition;
+use Symfony\Component\Config\Definition\Processor;
+use Symfony\Component\Config\Definition\Builder\ScalarNodeDefinition;
+use Symfony\Component\Config\Definition\Exception\InvalidDefinitionException;
+
+class ArrayNodeDefinitionTest extends \PHPUnit_Framework_TestCase
+{
+    public function testAppendingSomeNode()
+    {
+        $parent = new ArrayNodeDefinition('root');
+        $child = new ScalarNodeDefinition('child');
+
+        $parent
+            ->children()
+                ->scalarNode('foo')->end()
+                ->scalarNode('bar')->end()
+            ->end()
+            ->append($child);
+
+        $this->assertCount(3, $this->getField($parent, 'children'));
+        $this->assertTrue(in_array($child, $this->getField($parent, 'children')));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidDefinitionException
+     * @dataProvider providePrototypeNodeSpecificCalls
+     */
+    public function testPrototypeNodeSpecificOption($method, $args)
+    {
+        $node = new ArrayNodeDefinition('root');
+
+        call_user_func_array(array($node, $method), $args);
+
+        $node->getNode();
+    }
+
+    public function providePrototypeNodeSpecificCalls()
+    {
+        return array(
+            array('defaultValue', array(array())),
+            array('addDefaultChildrenIfNoneSet', array()),
+            array('requiresAtLeastOneElement', array()),
+            array('useAttributeAsKey', array('foo')),
+        );
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidDefinitionException
+     */
+    public function testConcreteNodeSpecificOption()
+    {
+        $node = new ArrayNodeDefinition('root');
+        $node
+            ->addDefaultsIfNotSet()
+            ->prototype('array')
+        ;
+        $node->getNode();
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidDefinitionException
+     */
+    public function testPrototypeNodesCantHaveADefaultValueWhenUsingDefaultChildren()
+    {
+        $node = new ArrayNodeDefinition('root');
+        $node
+            ->defaultValue(array())
+            ->addDefaultChildrenIfNoneSet('foo')
+            ->prototype('array')
+        ;
+        $node->getNode();
+    }
+
+    public function testPrototypedArrayNodeDefaultWhenUsingDefaultChildren()
+    {
+        $node = new ArrayNodeDefinition('root');
+        $node
+            ->addDefaultChildrenIfNoneSet()
+            ->prototype('array')
+        ;
+        $tree = $node->getNode();
+        $this->assertEquals(array(array()), $tree->getDefaultValue());
+    }
+
+    /**
+     * @dataProvider providePrototypedArrayNodeDefaults
+     */
+    public function testPrototypedArrayNodeDefault($args, $shouldThrowWhenUsingAttrAsKey, $shouldThrowWhenNotUsingAttrAsKey, $defaults)
+    {
+        $node = new ArrayNodeDefinition('root');
+        $node
+            ->addDefaultChildrenIfNoneSet($args)
+            ->prototype('array')
+        ;
+
+        try {
+            $tree = $node->getNode();
+            $this->assertFalse($shouldThrowWhenNotUsingAttrAsKey);
+            $this->assertEquals($defaults, $tree->getDefaultValue());
+        } catch (InvalidDefinitionException $e) {
+            $this->assertTrue($shouldThrowWhenNotUsingAttrAsKey);
+        }
+
+        $node = new ArrayNodeDefinition('root');
+        $node
+            ->useAttributeAsKey('attr')
+            ->addDefaultChildrenIfNoneSet($args)
+            ->prototype('array')
+        ;
+
+        try {
+            $tree = $node->getNode();
+            $this->assertFalse($shouldThrowWhenUsingAttrAsKey);
+            $this->assertEquals($defaults, $tree->getDefaultValue());
+        } catch (InvalidDefinitionException $e) {
+            $this->assertTrue($shouldThrowWhenUsingAttrAsKey);
+        }
+    }
+
+    public function providePrototypedArrayNodeDefaults()
+    {
+        return array(
+            array(null, true, false, array(array())),
+            array(2, true, false, array(array(), array())),
+            array('2', false, true, array('2' => array())),
+            array('foo', false, true, array('foo' => array())),
+            array(array('foo'), false, true, array('foo' => array())),
+            array(array('foo', 'bar'), false, true, array('foo' => array(), 'bar' => array())),
+        );
+    }
+
+    public function testNestedPrototypedArrayNodes()
+    {
+        $node = new ArrayNodeDefinition('root');
+        $node
+            ->addDefaultChildrenIfNoneSet()
+            ->prototype('array')
+                  ->prototype('array')
+        ;
+        $node->getNode();
+    }
+
+    public function testEnabledNodeDefaults()
+    {
+        $node = new ArrayNodeDefinition('root');
+        $node
+            ->canBeEnabled()
+            ->children()
+                ->scalarNode('foo')->defaultValue('bar')->end()
+        ;
+
+        $this->assertEquals(array('enabled' => false, 'foo' => 'bar'), $node->getNode()->getDefaultValue());
+    }
+
+    /**
+     * @dataProvider getEnableableNodeFixtures
+     */
+    public function testTrueEnableEnabledNode($expected, $config, $message)
+    {
+        $processor = new Processor();
+        $node = new ArrayNodeDefinition('root');
+        $node
+            ->canBeEnabled()
+            ->children()
+                ->scalarNode('foo')->defaultValue('bar')->end()
+        ;
+
+        $this->assertEquals(
+            $expected,
+            $processor->process($node->getNode(), $config),
+            $message
+        );
+    }
+
+    public function getEnableableNodeFixtures()
+    {
+        return array(
+            array(array('enabled' => true, 'foo' => 'bar'), array(true), 'true enables an enableable node'),
+            array(array('enabled' => true, 'foo' => 'bar'), array(null), 'null enables an enableable node'),
+            array(array('enabled' => true, 'foo' => 'bar'), array(array('enabled' => true)), 'An enableable node can be enabled'),
+            array(array('enabled' => true, 'foo' => 'baz'), array(array('foo' => 'baz')), 'any configuration enables an enableable node'),
+            array(array('enabled' => false, 'foo' => 'baz'), array(array('foo' => 'baz', 'enabled' => false)), 'An enableable node can be disabled'),
+            array(array('enabled' => false, 'foo' => 'bar'), array(false), 'false disables an enableable node'),
+        );
+    }
+
+    protected function getField($object, $field)
+    {
+        $reflection = new \ReflectionProperty($object, $field);
+        $reflection->setAccessible(true);
+
+        return $reflection->getValue($object);
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/EnumNodeDefinitionTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/EnumNodeDefinitionTest.php
new file mode 100644
index 0000000..69f7fcf
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/EnumNodeDefinitionTest.php
@@ -0,0 +1,46 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition\Builder;
+
+use Symfony\Component\Config\Definition\Builder\EnumNodeDefinition;
+
+class EnumNodeDefinitionTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage ->values() must be called with at least two distinct values.
+     */
+    public function testNoDistinctValues()
+    {
+        $def = new EnumNodeDefinition('foo');
+        $def->values(array('foo', 'foo'));
+    }
+
+    /**
+     * @expectedException \RuntimeException
+     * @expectedExceptionMessage You must call ->values() on enum nodes.
+     */
+    public function testNoValuesPassed()
+    {
+        $def = new EnumNodeDefinition('foo');
+        $def->getNode();
+    }
+
+    public function testGetNode()
+    {
+        $def = new EnumNodeDefinition('foo');
+        $def->values(array('foo', 'bar'));
+
+        $node = $def->getNode();
+        $this->assertEquals(array('foo', 'bar'), $node->getValues());
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/ExprBuilderTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/ExprBuilderTest.php
new file mode 100644
index 0000000..147bf13
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/ExprBuilderTest.php
@@ -0,0 +1,215 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition\Builder;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+
+class ExprBuilderTest extends \PHPUnit_Framework_TestCase
+{
+    public function testAlwaysExpression()
+    {
+        $test = $this->getTestBuilder()
+            ->always($this->returnClosure('new_value'))
+        ->end();
+
+        $this->assertFinalizedValueIs('new_value', $test);
+    }
+
+    public function testIfTrueExpression()
+    {
+        $test = $this->getTestBuilder()
+            ->ifTrue()
+            ->then($this->returnClosure('new_value'))
+        ->end();
+        $this->assertFinalizedValueIs('new_value', $test, array('key' => true));
+
+        $test = $this->getTestBuilder()
+            ->ifTrue(function ($v) { return true; })
+            ->then($this->returnClosure('new_value'))
+        ->end();
+        $this->assertFinalizedValueIs('new_value', $test);
+
+        $test = $this->getTestBuilder()
+            ->ifTrue(function ($v) { return false; })
+            ->then($this->returnClosure('new_value'))
+        ->end();
+        $this->assertFinalizedValueIs('value', $test);
+    }
+
+    public function testIfStringExpression()
+    {
+        $test = $this->getTestBuilder()
+            ->ifString()
+            ->then($this->returnClosure('new_value'))
+        ->end();
+        $this->assertFinalizedValueIs('new_value', $test);
+
+        $test = $this->getTestBuilder()
+            ->ifString()
+            ->then($this->returnClosure('new_value'))
+        ->end();
+        $this->assertFinalizedValueIs(45, $test, array('key' => 45));
+    }
+
+    public function testIfNullExpression()
+    {
+        $test = $this->getTestBuilder()
+            ->ifNull()
+            ->then($this->returnClosure('new_value'))
+        ->end();
+        $this->assertFinalizedValueIs('new_value', $test, array('key' => null));
+
+        $test = $this->getTestBuilder()
+            ->ifNull()
+            ->then($this->returnClosure('new_value'))
+        ->end();
+        $this->assertFinalizedValueIs('value', $test);
+    }
+
+    public function testIfArrayExpression()
+    {
+        $test = $this->getTestBuilder()
+            ->ifArray()
+            ->then($this->returnClosure('new_value'))
+        ->end();
+        $this->assertFinalizedValueIs('new_value', $test, array('key' => array()));
+
+        $test = $this->getTestBuilder()
+            ->ifArray()
+            ->then($this->returnClosure('new_value'))
+        ->end();
+        $this->assertFinalizedValueIs('value', $test);
+    }
+
+    public function testIfInArrayExpression()
+    {
+        $test = $this->getTestBuilder()
+            ->ifInArray(array('foo', 'bar', 'value'))
+            ->then($this->returnClosure('new_value'))
+        ->end();
+        $this->assertFinalizedValueIs('new_value', $test);
+
+        $test = $this->getTestBuilder()
+            ->ifInArray(array('foo', 'bar'))
+            ->then($this->returnClosure('new_value'))
+        ->end();
+        $this->assertFinalizedValueIs('value', $test);
+    }
+
+    public function testIfNotInArrayExpression()
+    {
+        $test = $this->getTestBuilder()
+            ->ifNotInArray(array('foo', 'bar'))
+            ->then($this->returnClosure('new_value'))
+        ->end();
+        $this->assertFinalizedValueIs('new_value', $test);
+
+        $test = $this->getTestBuilder()
+            ->ifNotInArray(array('foo', 'bar', 'value_from_config'))
+            ->then($this->returnClosure('new_value'))
+        ->end();
+        $this->assertFinalizedValueIs('new_value', $test);
+    }
+
+    public function testThenEmptyArrayExpression()
+    {
+        $test = $this->getTestBuilder()
+            ->ifString()
+            ->thenEmptyArray()
+        ->end();
+        $this->assertFinalizedValueIs(array(), $test);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
+     */
+    public function testThenInvalid()
+    {
+        $test = $this->getTestBuilder()
+            ->ifString()
+            ->thenInvalid('Invalid value')
+        ->end();
+        $this->finalizeTestBuilder($test);
+    }
+
+    public function testThenUnsetExpression()
+    {
+        $test = $this->getTestBuilder()
+            ->ifString()
+            ->thenUnset()
+        ->end();
+        $this->assertEquals(array(), $this->finalizeTestBuilder($test));
+    }
+
+    /**
+     * Create a test treebuilder with a variable node, and init the validation.
+     *
+     * @return TreeBuilder
+     */
+    protected function getTestBuilder()
+    {
+        $builder = new TreeBuilder();
+
+        return $builder
+            ->root('test')
+            ->children()
+            ->variableNode('key')
+            ->validate()
+        ;
+    }
+
+    /**
+     * Close the validation process and finalize with the given config.
+     *
+     * @param TreeBuilder $testBuilder The tree builder to finalize
+     * @param array       $config      The config you want to use for the finalization, if nothing provided
+     *                                 a simple array('key'=>'value') will be used
+     *
+     * @return array The finalized config values
+     */
+    protected function finalizeTestBuilder($testBuilder, $config = null)
+    {
+        return $testBuilder
+            ->end()
+            ->end()
+            ->end()
+            ->buildTree()
+            ->finalize(null === $config ? array('key' => 'value') : $config)
+        ;
+    }
+
+    /**
+     * Return a closure that will return the given value.
+     *
+     * @param mixed $val The value that the closure must return
+     *
+     * @return \Closure
+     */
+    protected function returnClosure($val)
+    {
+        return function ($v) use ($val) {
+            return $val;
+        };
+    }
+
+    /**
+     * Assert that the given test builder, will return the given value.
+     *
+     * @param mixed       $value       The value to test
+     * @param TreeBuilder $treeBuilder The tree builder to finalize
+     * @param mixed       $config      The config values that new to be finalized
+     */
+    protected function assertFinalizedValueIs($value, $treeBuilder, $config = null)
+    {
+        $this->assertEquals(array('key' => $value), $this->finalizeTestBuilder($treeBuilder, $config));
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/NodeBuilderTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/NodeBuilderTest.php
new file mode 100644
index 0000000..22c399c
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/NodeBuilderTest.php
@@ -0,0 +1,94 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition\Builder;
+
+use Symfony\Component\Config\Definition\Builder\NodeBuilder as BaseNodeBuilder;
+use Symfony\Component\Config\Definition\Builder\VariableNodeDefinition as BaseVariableNodeDefinition;
+
+class NodeBuilderTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @expectedException \RuntimeException
+     */
+    public function testThrowsAnExceptionWhenTryingToCreateANonRegisteredNodeType()
+    {
+        $builder = new BaseNodeBuilder();
+        $builder->node('', 'foobar');
+    }
+
+    /**
+     * @expectedException \RuntimeException
+     */
+    public function testThrowsAnExceptionWhenTheNodeClassIsNotFound()
+    {
+        $builder = new BaseNodeBuilder();
+        $builder
+            ->setNodeClass('noclasstype', '\\foo\\bar\\noclass')
+            ->node('', 'noclasstype');
+    }
+
+    public function testAddingANewNodeType()
+    {
+        $class = __NAMESPACE__.'\\SomeNodeDefinition';
+
+        $builder = new BaseNodeBuilder();
+        $node = $builder
+            ->setNodeClass('newtype', $class)
+            ->node('', 'newtype');
+
+        $this->assertInstanceOf($class, $node);
+    }
+
+    public function testOverridingAnExistingNodeType()
+    {
+        $class = __NAMESPACE__.'\\SomeNodeDefinition';
+
+        $builder = new BaseNodeBuilder();
+        $node = $builder
+            ->setNodeClass('variable', $class)
+            ->node('', 'variable');
+
+        $this->assertInstanceOf($class, $node);
+    }
+
+    public function testNodeTypesAreNotCaseSensitive()
+    {
+        $builder = new BaseNodeBuilder();
+
+        $node1 = $builder->node('', 'VaRiAbLe');
+        $node2 = $builder->node('', 'variable');
+
+        $this->assertInstanceOf(get_class($node1), $node2);
+
+        $builder->setNodeClass('CuStOm', __NAMESPACE__.'\\SomeNodeDefinition');
+
+        $node1 = $builder->node('', 'CUSTOM');
+        $node2 = $builder->node('', 'custom');
+
+        $this->assertInstanceOf(get_class($node1), $node2);
+    }
+
+    public function testNumericNodeCreation()
+    {
+        $builder = new BaseNodeBuilder();
+
+        $node = $builder->integerNode('foo')->min(3)->max(5);
+        $this->assertInstanceOf('Symfony\Component\Config\Definition\Builder\IntegerNodeDefinition', $node);
+
+        $node = $builder->floatNode('bar')->min(3.0)->max(5.0);
+        $this->assertInstanceOf('Symfony\Component\Config\Definition\Builder\FloatNodeDefinition', $node);
+    }
+}
+
+class SomeNodeDefinition extends BaseVariableNodeDefinition
+{
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/NumericNodeDefinitionTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/NumericNodeDefinitionTest.php
new file mode 100644
index 0000000..cf0813a
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/NumericNodeDefinitionTest.php
@@ -0,0 +1,93 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition\Builder;
+
+use Symfony\Component\Config\Definition\Builder\IntegerNodeDefinition as NumericNodeDefinition;
+use Symfony\Component\Config\Definition\Builder\IntegerNodeDefinition;
+use Symfony\Component\Config\Definition\Builder\FloatNodeDefinition;
+
+class NumericNodeDefinitionTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage You cannot define a min(4) as you already have a max(3)
+     */
+    public function testIncoherentMinAssertion()
+    {
+        $def = new NumericNodeDefinition('foo');
+        $def->max(3)->min(4);
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage You cannot define a max(2) as you already have a min(3)
+     */
+    public function testIncoherentMaxAssertion()
+    {
+        $node = new NumericNodeDefinition('foo');
+        $node->min(3)->max(2);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
+     * @expectedExceptionMessage The value 4 is too small for path "foo". Should be greater than or equal to 5
+     */
+    public function testIntegerMinAssertion()
+    {
+        $def = new IntegerNodeDefinition('foo');
+        $def->min(5)->getNode()->finalize(4);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
+     * @expectedExceptionMessage The value 4 is too big for path "foo". Should be less than or equal to 3
+     */
+    public function testIntegerMaxAssertion()
+    {
+        $def = new IntegerNodeDefinition('foo');
+        $def->max(3)->getNode()->finalize(4);
+    }
+
+    public function testIntegerValidMinMaxAssertion()
+    {
+        $def = new IntegerNodeDefinition('foo');
+        $node = $def->min(3)->max(7)->getNode();
+        $this->assertEquals(4, $node->finalize(4));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
+     * @expectedExceptionMessage The value 400 is too small for path "foo". Should be greater than or equal to 500
+     */
+    public function testFloatMinAssertion()
+    {
+        $def = new FloatNodeDefinition('foo');
+        $def->min(5E2)->getNode()->finalize(4e2);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
+     * @expectedExceptionMessage The value 4.3 is too big for path "foo". Should be less than or equal to 0.3
+     */
+    public function testFloatMaxAssertion()
+    {
+        $def = new FloatNodeDefinition('foo');
+        $def->max(0.3)->getNode()->finalize(4.3);
+    }
+
+    public function testFloatValidMinMaxAssertion()
+    {
+        $def = new FloatNodeDefinition('foo');
+        $node = $def->min(3.0)->max(7e2)->getNode();
+        $this->assertEquals(4.5, $node->finalize(4.5));
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/TreeBuilderTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/TreeBuilderTest.php
new file mode 100644
index 0000000..00e27c6
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Builder/TreeBuilderTest.php
@@ -0,0 +1,126 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition\Builder;
+
+use Symfony\Component\Config\Tests\Definition\Builder\NodeBuilder as CustomNodeBuilder;
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+
+require __DIR__.'/../../Fixtures/Builder/NodeBuilder.php';
+require __DIR__.'/../../Fixtures/Builder/BarNodeDefinition.php';
+require __DIR__.'/../../Fixtures/Builder/VariableNodeDefinition.php';
+
+class TreeBuilderTest extends \PHPUnit_Framework_TestCase
+{
+    public function testUsingACustomNodeBuilder()
+    {
+        $builder = new TreeBuilder();
+        $root = $builder->root('custom', 'array', new CustomNodeBuilder());
+
+        $nodeBuilder = $root->children();
+
+        $this->assertInstanceOf('Symfony\Component\Config\Tests\Definition\Builder\NodeBuilder', $nodeBuilder);
+
+        $nodeBuilder = $nodeBuilder->arrayNode('deeper')->children();
+
+        $this->assertInstanceOf('Symfony\Component\Config\Tests\Definition\Builder\NodeBuilder', $nodeBuilder);
+    }
+
+    public function testOverrideABuiltInNodeType()
+    {
+        $builder = new TreeBuilder();
+        $root = $builder->root('override', 'array', new CustomNodeBuilder());
+
+        $definition = $root->children()->variableNode('variable');
+
+        $this->assertInstanceOf('Symfony\Component\Config\Tests\Definition\Builder\VariableNodeDefinition', $definition);
+    }
+
+    public function testAddANodeType()
+    {
+        $builder = new TreeBuilder();
+        $root = $builder->root('override', 'array', new CustomNodeBuilder());
+
+        $definition = $root->children()->barNode('variable');
+
+        $this->assertInstanceOf('Symfony\Component\Config\Tests\Definition\Builder\BarNodeDefinition', $definition);
+    }
+
+    public function testCreateABuiltInNodeTypeWithACustomNodeBuilder()
+    {
+        $builder = new TreeBuilder();
+        $root = $builder->root('builtin', 'array', new CustomNodeBuilder());
+
+        $definition = $root->children()->booleanNode('boolean');
+
+        $this->assertInstanceOf('Symfony\Component\Config\Definition\Builder\BooleanNodeDefinition', $definition);
+    }
+
+    public function testPrototypedArrayNodeUseTheCustomNodeBuilder()
+    {
+        $builder = new TreeBuilder();
+        $root = $builder->root('override', 'array', new CustomNodeBuilder());
+
+        $root->prototype('bar')->end();
+    }
+
+    public function testAnExtendedNodeBuilderGetsPropagatedToTheChildren()
+    {
+        $builder = new TreeBuilder();
+
+        $builder->root('propagation')
+            ->children()
+                ->setNodeClass('extended', 'Symfony\Component\Config\Tests\Definition\Builder\VariableNodeDefinition')
+                ->node('foo', 'extended')->end()
+                ->arrayNode('child')
+                    ->children()
+                        ->node('foo', 'extended')
+                    ->end()
+                ->end()
+            ->end()
+        ->end();
+    }
+
+    public function testDefinitionInfoGetsTransferredToNode()
+    {
+        $builder = new TreeBuilder();
+
+        $builder->root('test')->info('root info')
+            ->children()
+                ->node('child', 'variable')->info('child info')->defaultValue('default')
+            ->end()
+        ->end();
+
+        $tree = $builder->buildTree();
+        $children = $tree->getChildren();
+
+        $this->assertEquals('root info', $tree->getInfo());
+        $this->assertEquals('child info', $children['child']->getInfo());
+    }
+
+    public function testDefinitionExampleGetsTransferredToNode()
+    {
+        $builder = new TreeBuilder();
+
+        $builder->root('test')
+            ->example(array('key' => 'value'))
+            ->children()
+                ->node('child', 'variable')->info('child info')->defaultValue('default')->example('example')
+            ->end()
+        ->end();
+
+        $tree = $builder->buildTree();
+        $children = $tree->getChildren();
+
+        $this->assertTrue(is_array($tree->getExample()));
+        $this->assertEquals('example', $children['child']->getExample());
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Dumper/XmlReferenceDumperTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Dumper/XmlReferenceDumperTest.php
new file mode 100644
index 0000000..ab6bdaa
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Dumper/XmlReferenceDumperTest.php
@@ -0,0 +1,80 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition\Dumper;
+
+use Symfony\Component\Config\Definition\Dumper\XmlReferenceDumper;
+use Symfony\Component\Config\Tests\Fixtures\Configuration\ExampleConfiguration;
+
+class XmlReferenceDumperTest extends \PHPUnit_Framework_TestCase
+{
+    public function testDumper()
+    {
+        $configuration = new ExampleConfiguration();
+
+        $dumper = new XmlReferenceDumper();
+        $this->assertEquals($this->getConfigurationAsString(), $dumper->dump($configuration));
+    }
+
+    public function testNamespaceDumper()
+    {
+        $configuration = new ExampleConfiguration();
+
+        $dumper = new XmlReferenceDumper();
+        $this->assertEquals(str_replace('http://example.org/schema/dic/acme_root', 'http://symfony.com/schema/dic/symfony', $this->getConfigurationAsString()), $dumper->dump($configuration, 'http://symfony.com/schema/dic/symfony'));
+    }
+
+    private function getConfigurationAsString()
+    {
+        return <<<EOL
+<!-- Namespace: http://example.org/schema/dic/acme_root -->
+<!-- scalar-required: Required -->
+<!-- enum: One of "this"; "that" -->
+<config
+    boolean="true"
+    scalar-empty=""
+    scalar-null="null"
+    scalar-true="true"
+    scalar-false="false"
+    scalar-default="default"
+    scalar-array-empty=""
+    scalar-array-defaults="elem1,elem2"
+    scalar-required=""
+    enum=""
+>
+
+    <!-- some info -->
+    <!--
+        child3: this is a long
+                multi-line info text
+                which should be indented;
+                Example: example setting
+    -->
+    <array
+        child1=""
+        child2=""
+        child3=""
+    />
+
+    <!-- prototype -->
+    <parameter name="parameter name">scalar value</parameter>
+
+    <!-- prototype -->
+    <connection
+        user=""
+        pass=""
+    />
+
+</config>
+
+EOL;
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Dumper/YamlReferenceDumperTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Dumper/YamlReferenceDumperTest.php
new file mode 100644
index 0000000..4775235
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/Dumper/YamlReferenceDumperTest.php
@@ -0,0 +1,67 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition\Dumper;
+
+use Symfony\Component\Config\Definition\Dumper\YamlReferenceDumper;
+use Symfony\Component\Config\Tests\Fixtures\Configuration\ExampleConfiguration;
+
+class YamlReferenceDumperTest extends \PHPUnit_Framework_TestCase
+{
+    public function testDumper()
+    {
+        $configuration = new ExampleConfiguration();
+
+        $dumper = new YamlReferenceDumper();
+
+        $this->markTestIncomplete('The Yaml Dumper currently does not support prototyped arrays');
+        $this->assertEquals($this->getConfigurationAsString(), $dumper->dump($configuration));
+    }
+
+    private function getConfigurationAsString()
+    {
+        return <<<EOL
+acme_root:
+    boolean:              true
+    scalar_empty:         ~
+    scalar_null:          ~
+    scalar_true:          true
+    scalar_false:         false
+    scalar_default:       default
+    scalar_array_empty:   []
+    scalar_array_defaults:
+
+        # Defaults:
+        - elem1
+        - elem2
+    scalar_required:      ~ # Required
+    enum:                 ~ # One of "this"; "that"
+
+    # some info
+    array:
+        child1:               ~
+        child2:               ~
+
+        # this is a long
+        # multi-line info text
+        # which should be indented
+        child3:               ~ # Example: example setting
+    parameters:
+
+        # Prototype
+        name:                 ~
+    connections:
+        # Prototype
+        - { user: ~, pass: ~ }
+
+EOL;
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/EnumNodeTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/EnumNodeTest.php
new file mode 100644
index 0000000..2b84de6
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/EnumNodeTest.php
@@ -0,0 +1,41 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition;
+
+use Symfony\Component\Config\Definition\EnumNode;
+
+class EnumNodeTest extends \PHPUnit_Framework_TestCase
+{
+    public function testFinalizeValue()
+    {
+        $node = new EnumNode('foo', null, array('foo', 'bar'));
+        $this->assertSame('foo', $node->finalize('foo'));
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testConstructionWithOneValue()
+    {
+        new EnumNode('foo', null, array('foo', 'foo'));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
+     * @expectedExceptionMessage The value "foobar" is not allowed for path "foo". Permissible values: "foo", "bar"
+     */
+    public function testFinalizeWithInvalidValue()
+    {
+        $node = new EnumNode('foo', null, array('foo', 'bar'));
+        $node->finalize('foobar');
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/FinalizationTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/FinalizationTest.php
new file mode 100644
index 0000000..19fc347
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/FinalizationTest.php
@@ -0,0 +1,73 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\Processor;
+use Symfony\Component\Config\Definition\NodeInterface;
+
+class FinalizationTest extends \PHPUnit_Framework_TestCase
+{
+    public function testUnsetKeyWithDeepHierarchy()
+    {
+        $tb = new TreeBuilder();
+        $tree = $tb
+            ->root('config', 'array')
+                ->children()
+                    ->node('level1', 'array')
+                        ->canBeUnset()
+                        ->children()
+                            ->node('level2', 'array')
+                                ->canBeUnset()
+                                ->children()
+                                    ->node('somevalue', 'scalar')->end()
+                                    ->node('anothervalue', 'scalar')->end()
+                                ->end()
+                            ->end()
+                            ->node('level1_scalar', 'scalar')->end()
+                        ->end()
+                    ->end()
+                ->end()
+            ->end()
+            ->buildTree()
+        ;
+
+        $a = array(
+            'level1' => array(
+                'level2' => array(
+                    'somevalue' => 'foo',
+                    'anothervalue' => 'bar',
+                ),
+                'level1_scalar' => 'foo',
+            ),
+        );
+
+        $b = array(
+            'level1' => array(
+                'level2' => false,
+            ),
+        );
+
+        $this->assertEquals(array(
+            'level1' => array(
+                'level1_scalar' => 'foo',
+            ),
+        ), $this->process($tree, array($a, $b)));
+    }
+
+    protected function process(NodeInterface $tree, array $configs)
+    {
+        $processor = new Processor();
+
+        return $processor->process($tree, $configs);
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/FloatNodeTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/FloatNodeTest.php
new file mode 100644
index 0000000..4f308ca
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/FloatNodeTest.php
@@ -0,0 +1,64 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition;
+
+use Symfony\Component\Config\Definition\FloatNode;
+
+class FloatNodeTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @dataProvider getValidValues
+     */
+    public function testNormalize($value)
+    {
+        $node = new FloatNode('test');
+        $this->assertSame($value, $node->normalize($value));
+    }
+
+    public function getValidValues()
+    {
+        return array(
+            array(1798.0),
+            array(-678.987),
+            array(12.56E45),
+            array(0.0),
+            // Integer are accepted too, they will be cast
+            array(17),
+            array(-10),
+            array(0),
+        );
+    }
+
+    /**
+     * @dataProvider getInvalidValues
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidTypeException
+     */
+    public function testNormalizeThrowsExceptionOnInvalidValues($value)
+    {
+        $node = new FloatNode('test');
+        $node->normalize($value);
+    }
+
+    public function getInvalidValues()
+    {
+        return array(
+            array(null),
+            array(''),
+            array('foo'),
+            array(true),
+            array(false),
+            array(array()),
+            array(array('foo' => 'bar')),
+            array(new \stdClass()),
+        );
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/IntegerNodeTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/IntegerNodeTest.php
new file mode 100644
index 0000000..1527db7
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/IntegerNodeTest.php
@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition;
+
+use Symfony\Component\Config\Definition\IntegerNode;
+
+class IntegerNodeTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @dataProvider getValidValues
+     */
+    public function testNormalize($value)
+    {
+        $node = new IntegerNode('test');
+        $this->assertSame($value, $node->normalize($value));
+    }
+
+    public function getValidValues()
+    {
+        return array(
+            array(1798),
+            array(-678),
+            array(0),
+        );
+    }
+
+    /**
+     * @dataProvider getInvalidValues
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidTypeException
+     */
+    public function testNormalizeThrowsExceptionOnInvalidValues($value)
+    {
+        $node = new IntegerNode('test');
+        $node->normalize($value);
+    }
+
+    public function getInvalidValues()
+    {
+        return array(
+            array(null),
+            array(''),
+            array('foo'),
+            array(true),
+            array(false),
+            array(0.0),
+            array(0.1),
+            array(array()),
+            array(array('foo' => 'bar')),
+            array(new \stdClass()),
+        );
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/MergeTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/MergeTest.php
new file mode 100644
index 0000000..08ddc32
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/MergeTest.php
@@ -0,0 +1,195 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+
+class MergeTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\ForbiddenOverwriteException
+     */
+    public function testForbiddenOverwrite()
+    {
+        $tb = new TreeBuilder();
+        $tree = $tb
+            ->root('root', 'array')
+                ->children()
+                    ->node('foo', 'scalar')
+                        ->cannotBeOverwritten()
+                    ->end()
+                ->end()
+            ->end()
+            ->buildTree()
+        ;
+
+        $a = array(
+            'foo' => 'bar',
+        );
+
+        $b = array(
+            'foo' => 'moo',
+        );
+
+        $tree->merge($a, $b);
+    }
+
+    public function testUnsetKey()
+    {
+        $tb = new TreeBuilder();
+        $tree = $tb
+            ->root('root', 'array')
+                ->children()
+                    ->node('foo', 'scalar')->end()
+                    ->node('bar', 'scalar')->end()
+                    ->node('unsettable', 'array')
+                        ->canBeUnset()
+                        ->children()
+                            ->node('foo', 'scalar')->end()
+                            ->node('bar', 'scalar')->end()
+                        ->end()
+                    ->end()
+                    ->node('unsetted', 'array')
+                        ->canBeUnset()
+                        ->prototype('scalar')->end()
+                    ->end()
+                ->end()
+            ->end()
+            ->buildTree()
+        ;
+
+        $a = array(
+            'foo' => 'bar',
+            'unsettable' => array(
+                'foo' => 'a',
+                'bar' => 'b',
+            ),
+            'unsetted' => false,
+        );
+
+        $b = array(
+            'foo' => 'moo',
+            'bar' => 'b',
+            'unsettable' => false,
+            'unsetted' => array('a', 'b'),
+        );
+
+        $this->assertEquals(array(
+            'foo' => 'moo',
+            'bar' => 'b',
+            'unsettable' => false,
+            'unsetted' => array('a', 'b'),
+        ), $tree->merge($a, $b));
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
+     */
+    public function testDoesNotAllowNewKeysInSubsequentConfigs()
+    {
+        $tb = new TreeBuilder();
+        $tree = $tb
+            ->root('config', 'array')
+                ->children()
+                    ->node('test', 'array')
+                        ->disallowNewKeysInSubsequentConfigs()
+                        ->useAttributeAsKey('key')
+                        ->prototype('array')
+                            ->children()
+                                ->node('value', 'scalar')->end()
+                            ->end()
+                        ->end()
+                    ->end()
+                ->end()
+            ->end()
+            ->buildTree();
+
+        $a = array(
+            'test' => array(
+                'a' => array('value' => 'foo'),
+            ),
+        );
+
+        $b = array(
+            'test' => array(
+                'b' => array('value' => 'foo'),
+            ),
+        );
+
+        $tree->merge($a, $b);
+    }
+
+    public function testPerformsNoDeepMerging()
+    {
+        $tb = new TreeBuilder();
+
+        $tree = $tb
+            ->root('config', 'array')
+                ->children()
+                    ->node('no_deep_merging', 'array')
+                        ->performNoDeepMerging()
+                        ->children()
+                            ->node('foo', 'scalar')->end()
+                            ->node('bar', 'scalar')->end()
+                        ->end()
+                    ->end()
+                ->end()
+            ->end()
+            ->buildTree()
+        ;
+
+        $a = array(
+            'no_deep_merging' => array(
+                'foo' => 'a',
+                'bar' => 'b',
+            ),
+        );
+
+        $b = array(
+            'no_deep_merging' => array(
+                'c' => 'd',
+            ),
+        );
+
+        $this->assertEquals(array(
+            'no_deep_merging' => array(
+                'c' => 'd',
+            ),
+        ), $tree->merge($a, $b));
+    }
+
+    public function testPrototypeWithoutAKeyAttribute()
+    {
+        $tb = new TreeBuilder();
+
+        $tree = $tb
+            ->root('config', 'array')
+                ->children()
+                    ->arrayNode('append_elements')
+                        ->prototype('scalar')->end()
+                    ->end()
+                ->end()
+            ->end()
+            ->buildTree()
+        ;
+
+        $a = array(
+            'append_elements' => array('a', 'b'),
+        );
+
+        $b = array(
+            'append_elements' => array('c', 'd'),
+        );
+
+        $this->assertEquals(array('append_elements' => array('a', 'b', 'c', 'd')), $tree->merge($a, $b));
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/NormalizationTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/NormalizationTest.php
new file mode 100644
index 0000000..a896f96
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/NormalizationTest.php
@@ -0,0 +1,229 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition;
+
+use Symfony\Component\Config\Definition\NodeInterface;
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+
+class NormalizationTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @dataProvider getEncoderTests
+     */
+    public function testNormalizeEncoders($denormalized)
+    {
+        $tb = new TreeBuilder();
+        $tree = $tb
+            ->root('root_name', 'array')
+                ->fixXmlConfig('encoder')
+                ->children()
+                    ->node('encoders', 'array')
+                        ->useAttributeAsKey('class')
+                        ->prototype('array')
+                            ->beforeNormalization()->ifString()->then(function ($v) { return array('algorithm' => $v); })->end()
+                            ->children()
+                                ->node('algorithm', 'scalar')->end()
+                            ->end()
+                        ->end()
+                    ->end()
+                ->end()
+            ->end()
+            ->buildTree()
+        ;
+
+        $normalized = array(
+            'encoders' => array(
+                'foo' => array('algorithm' => 'plaintext'),
+            ),
+        );
+
+        $this->assertNormalized($tree, $denormalized, $normalized);
+    }
+
+    public function getEncoderTests()
+    {
+        $configs = array();
+
+        // XML
+        $configs[] = array(
+            'encoder' => array(
+                array('class' => 'foo', 'algorithm' => 'plaintext'),
+            ),
+        );
+
+        // XML when only one element of this type
+        $configs[] = array(
+            'encoder' => array('class' => 'foo', 'algorithm' => 'plaintext'),
+        );
+
+        // YAML/PHP
+        $configs[] = array(
+            'encoders' => array(
+                array('class' => 'foo', 'algorithm' => 'plaintext'),
+            ),
+        );
+
+        // YAML/PHP
+        $configs[] = array(
+            'encoders' => array(
+                'foo' => 'plaintext',
+            ),
+        );
+
+        // YAML/PHP
+        $configs[] = array(
+            'encoders' => array(
+                'foo' => array('algorithm' => 'plaintext'),
+            ),
+        );
+
+        return array_map(function ($v) {
+            return array($v);
+        }, $configs);
+    }
+
+    /**
+     * @dataProvider getAnonymousKeysTests
+     */
+    public function testAnonymousKeysArray($denormalized)
+    {
+        $tb = new TreeBuilder();
+        $tree = $tb
+            ->root('root', 'array')
+                ->children()
+                    ->node('logout', 'array')
+                        ->fixXmlConfig('handler')
+                        ->children()
+                            ->node('handlers', 'array')
+                                ->prototype('scalar')->end()
+                            ->end()
+                        ->end()
+                    ->end()
+                ->end()
+            ->end()
+            ->buildTree()
+        ;
+
+        $normalized = array('logout' => array('handlers' => array('a', 'b', 'c')));
+
+        $this->assertNormalized($tree, $denormalized, $normalized);
+    }
+
+    public function getAnonymousKeysTests()
+    {
+        $configs = array();
+
+        $configs[] = array(
+            'logout' => array(
+                'handlers' => array('a', 'b', 'c'),
+            ),
+        );
+
+        $configs[] = array(
+            'logout' => array(
+                'handler' => array('a', 'b', 'c'),
+            ),
+        );
+
+        return array_map(function ($v) { return array($v); }, $configs);
+    }
+
+    /**
+     * @dataProvider getNumericKeysTests
+     */
+    public function testNumericKeysAsAttributes($denormalized)
+    {
+        $normalized = array(
+            'thing' => array(42 => array('foo', 'bar'), 1337 => array('baz', 'qux')),
+        );
+
+        $this->assertNormalized($this->getNumericKeysTestTree(), $denormalized, $normalized);
+    }
+
+    public function getNumericKeysTests()
+    {
+        $configs = array();
+
+        $configs[] = array(
+            'thing' => array(
+                42 => array('foo', 'bar'), 1337 => array('baz', 'qux'),
+            ),
+        );
+
+        $configs[] = array(
+            'thing' => array(
+                array('foo', 'bar', 'id' => 42), array('baz', 'qux', 'id' => 1337),
+            ),
+        );
+
+        return array_map(function ($v) { return array($v); }, $configs);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
+     * @expectedExceptionMessage The attribute "id" must be set for path "root.thing".
+     */
+    public function testNonAssociativeArrayThrowsExceptionIfAttributeNotSet()
+    {
+        $denormalized = array(
+            'thing' => array(
+                array('foo', 'bar'), array('baz', 'qux'),
+            ),
+        );
+
+        $this->assertNormalized($this->getNumericKeysTestTree(), $denormalized, array());
+    }
+
+    public function testAssociativeArrayPreserveKeys()
+    {
+        $tb = new TreeBuilder();
+        $tree = $tb
+            ->root('root', 'array')
+                ->prototype('array')
+                    ->children()
+                        ->node('foo', 'scalar')->end()
+                    ->end()
+                ->end()
+            ->end()
+            ->buildTree()
+        ;
+
+        $data = array('first' => array('foo' => 'bar'));
+
+        $this->assertNormalized($tree, $data, $data);
+    }
+
+    public static function assertNormalized(NodeInterface $tree, $denormalized, $normalized)
+    {
+        self::assertSame($normalized, $tree->normalize($denormalized));
+    }
+
+    private function getNumericKeysTestTree()
+    {
+        $tb = new TreeBuilder();
+        $tree = $tb
+            ->root('root', 'array')
+                ->children()
+                    ->node('thing', 'array')
+                        ->useAttributeAsKey('id')
+                        ->prototype('array')
+                            ->prototype('scalar')->end()
+                        ->end()
+                    ->end()
+                ->end()
+            ->end()
+            ->buildTree()
+        ;
+
+        return $tree;
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/PrototypedArrayNodeTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/PrototypedArrayNodeTest.php
new file mode 100644
index 0000000..c343fcf
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/PrototypedArrayNodeTest.php
@@ -0,0 +1,180 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition;
+
+use Symfony\Component\Config\Definition\PrototypedArrayNode;
+use Symfony\Component\Config\Definition\ArrayNode;
+use Symfony\Component\Config\Definition\ScalarNode;
+
+class PrototypedArrayNodeTest extends \PHPUnit_Framework_TestCase
+{
+    public function testGetDefaultValueReturnsAnEmptyArrayForPrototypes()
+    {
+        $node = new PrototypedArrayNode('root');
+        $prototype = new ArrayNode(null, $node);
+        $node->setPrototype($prototype);
+        $this->assertEmpty($node->getDefaultValue());
+    }
+
+    public function testGetDefaultValueReturnsDefaultValueForPrototypes()
+    {
+        $node = new PrototypedArrayNode('root');
+        $prototype = new ArrayNode(null, $node);
+        $node->setPrototype($prototype);
+        $node->setDefaultValue(array('test'));
+        $this->assertEquals(array('test'), $node->getDefaultValue());
+    }
+
+    // a remapped key (e.g. "mapping" -> "mappings") should be unset after being used
+    public function testRemappedKeysAreUnset()
+    {
+        $node = new ArrayNode('root');
+        $mappingsNode = new PrototypedArrayNode('mappings');
+        $node->addChild($mappingsNode);
+
+        // each item under mappings is just a scalar
+        $prototype = new ScalarNode(null, $mappingsNode);
+        $mappingsNode->setPrototype($prototype);
+
+        $remappings = array();
+        $remappings[] = array('mapping', 'mappings');
+        $node->setXmlRemappings($remappings);
+
+        $normalized = $node->normalize(array('mapping' => array('foo', 'bar')));
+        $this->assertEquals(array('mappings' => array('foo', 'bar')), $normalized);
+    }
+
+    /**
+     * Tests that when a key attribute is mapped, that key is removed from the array.
+     *
+     *     <things>
+     *         <option id="option1" value="foo">
+     *         <option id="option2" value="bar">
+     *     </things>
+     *
+     * The above should finally be mapped to an array that looks like this
+     * (because "id" is the key attribute).
+     *
+     *     array(
+     *         'things' => array(
+     *             'option1' => 'foo',
+     *             'option2' => 'bar',
+     *         )
+     *     )
+     */
+    public function testMappedAttributeKeyIsRemoved()
+    {
+        $node = new PrototypedArrayNode('root');
+        $node->setKeyAttribute('id', true);
+
+        // each item under the root is an array, with one scalar item
+        $prototype = new ArrayNode(null, $node);
+        $prototype->addChild(new ScalarNode('foo'));
+        $node->setPrototype($prototype);
+
+        $children = array();
+        $children[] = array('id' => 'item_name', 'foo' => 'bar');
+        $normalized = $node->normalize($children);
+
+        $expected = array();
+        $expected['item_name'] = array('foo' => 'bar');
+        $this->assertEquals($expected, $normalized);
+    }
+
+    /**
+     * Tests the opposite of the testMappedAttributeKeyIsRemoved because
+     * the removal can be toggled with an option.
+     */
+    public function testMappedAttributeKeyNotRemoved()
+    {
+        $node = new PrototypedArrayNode('root');
+        $node->setKeyAttribute('id', false);
+
+        // each item under the root is an array, with two scalar items
+        $prototype = new ArrayNode(null, $node);
+        $prototype->addChild(new ScalarNode('foo'));
+        $prototype->addChild(new ScalarNode('id')); // the key attribute will remain
+        $node->setPrototype($prototype);
+
+        $children = array();
+        $children[] = array('id' => 'item_name', 'foo' => 'bar');
+        $normalized = $node->normalize($children);
+
+        $expected = array();
+        $expected['item_name'] = array('id' => 'item_name', 'foo' => 'bar');
+        $this->assertEquals($expected, $normalized);
+    }
+
+    public function testAddDefaultChildren()
+    {
+        $node = $this->getPrototypeNodeWithDefaultChildren();
+        $node->setAddChildrenIfNoneSet();
+        $this->assertTrue($node->hasDefaultValue());
+        $this->assertEquals(array(array('foo' => 'bar')), $node->getDefaultValue());
+
+        $node = $this->getPrototypeNodeWithDefaultChildren();
+        $node->setKeyAttribute('foobar');
+        $node->setAddChildrenIfNoneSet();
+        $this->assertTrue($node->hasDefaultValue());
+        $this->assertEquals(array('defaults' => array('foo' => 'bar')), $node->getDefaultValue());
+
+        $node = $this->getPrototypeNodeWithDefaultChildren();
+        $node->setKeyAttribute('foobar');
+        $node->setAddChildrenIfNoneSet('defaultkey');
+        $this->assertTrue($node->hasDefaultValue());
+        $this->assertEquals(array('defaultkey' => array('foo' => 'bar')), $node->getDefaultValue());
+
+        $node = $this->getPrototypeNodeWithDefaultChildren();
+        $node->setKeyAttribute('foobar');
+        $node->setAddChildrenIfNoneSet(array('defaultkey'));
+        $this->assertTrue($node->hasDefaultValue());
+        $this->assertEquals(array('defaultkey' => array('foo' => 'bar')), $node->getDefaultValue());
+
+        $node = $this->getPrototypeNodeWithDefaultChildren();
+        $node->setKeyAttribute('foobar');
+        $node->setAddChildrenIfNoneSet(array('dk1', 'dk2'));
+        $this->assertTrue($node->hasDefaultValue());
+        $this->assertEquals(array('dk1' => array('foo' => 'bar'), 'dk2' => array('foo' => 'bar')), $node->getDefaultValue());
+
+        $node = $this->getPrototypeNodeWithDefaultChildren();
+        $node->setAddChildrenIfNoneSet(array(5, 6));
+        $this->assertTrue($node->hasDefaultValue());
+        $this->assertEquals(array(0 => array('foo' => 'bar'), 1 => array('foo' => 'bar')), $node->getDefaultValue());
+
+        $node = $this->getPrototypeNodeWithDefaultChildren();
+        $node->setAddChildrenIfNoneSet(2);
+        $this->assertTrue($node->hasDefaultValue());
+        $this->assertEquals(array(array('foo' => 'bar'), array('foo' => 'bar')), $node->getDefaultValue());
+    }
+
+    public function testDefaultChildrenWinsOverDefaultValue()
+    {
+        $node = $this->getPrototypeNodeWithDefaultChildren();
+        $node->setAddChildrenIfNoneSet();
+        $node->setDefaultValue(array('bar' => 'foo'));
+        $this->assertTrue($node->hasDefaultValue());
+        $this->assertEquals(array(array('foo' => 'bar')), $node->getDefaultValue());
+    }
+
+    protected function getPrototypeNodeWithDefaultChildren()
+    {
+        $node = new PrototypedArrayNode('root');
+        $prototype = new ArrayNode(null, $node);
+        $child = new ScalarNode('foo');
+        $child->setDefaultValue('bar');
+        $prototype->addChild($child);
+        $prototype->setAddIfNotSet(true);
+        $node->setPrototype($prototype);
+
+        return $node;
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/ScalarNodeTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/ScalarNodeTest.php
new file mode 100644
index 0000000..a798410
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Definition/ScalarNodeTest.php
@@ -0,0 +1,79 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition;
+
+use Symfony\Component\Config\Definition\ScalarNode;
+
+class ScalarNodeTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @dataProvider getValidValues
+     */
+    public function testNormalize($value)
+    {
+        $node = new ScalarNode('test');
+        $this->assertSame($value, $node->normalize($value));
+    }
+
+    public function getValidValues()
+    {
+        return array(
+            array(false),
+            array(true),
+            array(null),
+            array(''),
+            array('foo'),
+            array(0),
+            array(1),
+            array(0.0),
+            array(0.1),
+        );
+    }
+
+    /**
+     * @dataProvider getInvalidValues
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidTypeException
+     */
+    public function testNormalizeThrowsExceptionOnInvalidValues($value)
+    {
+        $node = new ScalarNode('test');
+        $node->normalize($value);
+    }
+
+    public function getInvalidValues()
+    {
+        return array(
+            array(array()),
+            array(array('foo' => 'bar')),
+            array(new \stdClass()),
+        );
+    }
+
+    public function testNormalizeThrowsExceptionWithoutHint()
+    {
+        $node = new ScalarNode('test');
+
+        $this->setExpectedException('Symfony\Component\Config\Definition\Exception\InvalidTypeException', 'Invalid type for path "test". Expected scalar, but got array.');
+
+        $node->normalize(array());
+    }
+
+    public function testNormalizeThrowsExceptionWithErrorMessage()
+    {
+        $node = new ScalarNode('test');
+        $node->setInfo('"the test value"');
+
+        $this->setExpectedException('Symfony\Component\Config\Definition\Exception\InvalidTypeException', "Invalid type for path \"test\". Expected scalar, but got array.\nHint: \"the test value\"");
+
+        $node->normalize(array());
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Exception/FileLoaderLoadExceptionTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Exception/FileLoaderLoadExceptionTest.php
new file mode 100644
index 0000000..4d91535
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Exception/FileLoaderLoadExceptionTest.php
@@ -0,0 +1,83 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Exception;
+
+use Symfony\Component\Config\Exception\FileLoaderLoadException;
+
+class FileLoaderLoadExceptionTest extends \PHPUnit_Framework_TestCase
+{
+    public function testMessageCannotLoadResource()
+    {
+        $exception = new FileLoaderLoadException('resource', null);
+        $this->assertEquals('Cannot load resource "resource".', $exception->getMessage());
+    }
+
+    public function testMessageCannotImportResourceFromSource()
+    {
+        $exception = new FileLoaderLoadException('resource', 'sourceResource');
+        $this->assertEquals('Cannot import resource "resource" from "sourceResource".', $exception->getMessage());
+    }
+
+    public function testMessageCannotImportBundleResource()
+    {
+        $exception = new FileLoaderLoadException('@resource', 'sourceResource');
+        $this->assertEquals(
+            'Cannot import resource "@resource" from "sourceResource". '.
+            'Make sure the "resource" bundle is correctly registered and loaded in the application kernel class.',
+            $exception->getMessage()
+        );
+    }
+
+    public function testMessageHasPreviousErrorWithDotAndUnableToLoad()
+    {
+        $exception = new FileLoaderLoadException(
+            'resource',
+            null,
+            null,
+            new \Exception('There was a previous error with an ending dot.')
+        );
+        $this->assertEquals(
+            'There was a previous error with an ending dot in resource (which is loaded in resource "resource").',
+            $exception->getMessage()
+        );
+    }
+
+    public function testMessageHasPreviousErrorWithoutDotAndUnableToLoad()
+    {
+        $exception = new FileLoaderLoadException(
+            'resource',
+            null,
+            null,
+            new \Exception('There was a previous error with no ending dot')
+        );
+        $this->assertEquals(
+            'There was a previous error with no ending dot in resource (which is loaded in resource "resource").',
+            $exception->getMessage()
+        );
+    }
+
+    public function testMessageHasPreviousErrorAndUnableToLoadBundle()
+    {
+        $exception = new FileLoaderLoadException(
+            '@resource',
+            null,
+            null,
+            new \Exception('There was a previous error with an ending dot.')
+        );
+        $this->assertEquals(
+            'There was a previous error with an ending dot in @resource '.
+            '(which is loaded in resource "@resource"). '.
+            'Make sure the "resource" bundle is correctly registered and loaded in the application kernel class.',
+            $exception->getMessage()
+        );
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/FileLocatorTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/FileLocatorTest.php
new file mode 100644
index 0000000..d479f25
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/FileLocatorTest.php
@@ -0,0 +1,119 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests;
+
+use Symfony\Component\Config\FileLocator;
+
+class FileLocatorTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @dataProvider getIsAbsolutePathTests
+     */
+    public function testIsAbsolutePath($path)
+    {
+        $loader = new FileLocator(array());
+        $r = new \ReflectionObject($loader);
+        $m = $r->getMethod('isAbsolutePath');
+        $m->setAccessible(true);
+
+        $this->assertTrue($m->invoke($loader, $path), '->isAbsolutePath() returns true for an absolute path');
+    }
+
+    public function getIsAbsolutePathTests()
+    {
+        return array(
+            array('/foo.xml'),
+            array('c:\\\\foo.xml'),
+            array('c:/foo.xml'),
+            array('\\server\\foo.xml'),
+            array('https://server/foo.xml'),
+            array('phar://server/foo.xml'),
+        );
+    }
+
+    public function testLocate()
+    {
+        $loader = new FileLocator(__DIR__.'/Fixtures');
+
+        $this->assertEquals(
+            __DIR__.DIRECTORY_SEPARATOR.'FileLocatorTest.php',
+            $loader->locate('FileLocatorTest.php', __DIR__),
+            '->locate() returns the absolute filename if the file exists in the given path'
+        );
+
+        $this->assertEquals(
+            __DIR__.'/Fixtures'.DIRECTORY_SEPARATOR.'foo.xml',
+            $loader->locate('foo.xml', __DIR__),
+            '->locate() returns the absolute filename if the file exists in one of the paths given in the constructor'
+        );
+
+        $this->assertEquals(
+            __DIR__.'/Fixtures'.DIRECTORY_SEPARATOR.'foo.xml',
+            $loader->locate(__DIR__.'/Fixtures'.DIRECTORY_SEPARATOR.'foo.xml', __DIR__),
+            '->locate() returns the absolute filename if the file exists in one of the paths given in the constructor'
+        );
+
+        $loader = new FileLocator(array(__DIR__.'/Fixtures', __DIR__.'/Fixtures/Again'));
+
+        $this->assertEquals(
+            array(__DIR__.'/Fixtures'.DIRECTORY_SEPARATOR.'foo.xml', __DIR__.'/Fixtures/Again'.DIRECTORY_SEPARATOR.'foo.xml'),
+            $loader->locate('foo.xml', __DIR__, false),
+            '->locate() returns an array of absolute filenames'
+        );
+
+        $this->assertEquals(
+            array(__DIR__.'/Fixtures'.DIRECTORY_SEPARATOR.'foo.xml', __DIR__.'/Fixtures/Again'.DIRECTORY_SEPARATOR.'foo.xml'),
+            $loader->locate('foo.xml', __DIR__.'/Fixtures', false),
+            '->locate() returns an array of absolute filenames'
+        );
+
+        $loader = new FileLocator(__DIR__.'/Fixtures/Again');
+
+        $this->assertEquals(
+            array(__DIR__.'/Fixtures'.DIRECTORY_SEPARATOR.'foo.xml', __DIR__.'/Fixtures/Again'.DIRECTORY_SEPARATOR.'foo.xml'),
+            $loader->locate('foo.xml', __DIR__.'/Fixtures', false),
+            '->locate() returns an array of absolute filenames'
+        );
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage The file "foobar.xml" does not exist
+     */
+    public function testLocateThrowsAnExceptionIfTheFileDoesNotExists()
+    {
+        $loader = new FileLocator(array(__DIR__.'/Fixtures'));
+
+        $loader->locate('foobar.xml', __DIR__);
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testLocateThrowsAnExceptionIfTheFileDoesNotExistsInAbsolutePath()
+    {
+        $loader = new FileLocator(array(__DIR__.'/Fixtures'));
+
+        $loader->locate(__DIR__.'/Fixtures/foobar.xml', __DIR__);
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage An empty file name is not valid to be located.
+     */
+    public function testLocateEmpty()
+    {
+        $loader = new FileLocator(array(__DIR__.'/Fixtures'));
+
+        $loader->locate(null, __DIR__);
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Again/foo.xml b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Again/foo.xml
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Again/foo.xml
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Builder/BarNodeDefinition.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Builder/BarNodeDefinition.php
new file mode 100644
index 0000000..47701c1
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Builder/BarNodeDefinition.php
@@ -0,0 +1,21 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition\Builder;
+
+use Symfony\Component\Config\Definition\Builder\NodeDefinition;
+
+class BarNodeDefinition extends NodeDefinition
+{
+    protected function createNode()
+    {
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Builder/NodeBuilder.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Builder/NodeBuilder.php
new file mode 100644
index 0000000..aa59863
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Builder/NodeBuilder.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition\Builder;
+
+use Symfony\Component\Config\Definition\Builder\NodeBuilder as BaseNodeBuilder;
+
+class NodeBuilder extends BaseNodeBuilder
+{
+    public function barNode($name)
+    {
+        return $this->node($name, 'bar');
+    }
+
+    protected function getNodeClass($type)
+    {
+        switch ($type) {
+            case 'variable':
+                return __NAMESPACE__.'\\'.ucfirst($type).'NodeDefinition';
+            case 'bar':
+                return __NAMESPACE__.'\\'.ucfirst($type).'NodeDefinition';
+            default:
+                return parent::getNodeClass($type);
+        }
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Builder/VariableNodeDefinition.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Builder/VariableNodeDefinition.php
new file mode 100644
index 0000000..1017880
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Builder/VariableNodeDefinition.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Definition\Builder;
+
+use Symfony\Component\Config\Definition\Builder\VariableNodeDefinition as BaseVariableNodeDefinition;
+
+class VariableNodeDefinition extends BaseVariableNodeDefinition
+{
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Configuration/ExampleConfiguration.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Configuration/ExampleConfiguration.php
new file mode 100644
index 0000000..df43e8b
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Configuration/ExampleConfiguration.php
@@ -0,0 +1,71 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Fixtures\Configuration;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+
+class ExampleConfiguration implements ConfigurationInterface
+{
+    public function getConfigTreeBuilder()
+    {
+        $treeBuilder = new TreeBuilder();
+        $rootNode = $treeBuilder->root('acme_root');
+
+        $rootNode
+            ->fixXmlConfig('parameter')
+            ->fixXmlConfig('connection')
+            ->children()
+                ->booleanNode('boolean')->defaultTrue()->end()
+                ->scalarNode('scalar_empty')->end()
+                ->scalarNode('scalar_null')->defaultNull()->end()
+                ->scalarNode('scalar_true')->defaultTrue()->end()
+                ->scalarNode('scalar_false')->defaultFalse()->end()
+                ->scalarNode('scalar_default')->defaultValue('default')->end()
+                ->scalarNode('scalar_array_empty')->defaultValue(array())->end()
+                ->scalarNode('scalar_array_defaults')->defaultValue(array('elem1', 'elem2'))->end()
+                ->scalarNode('scalar_required')->isRequired()->end()
+                ->enumNode('enum')->values(array('this', 'that'))->end()
+                ->arrayNode('array')
+                    ->info('some info')
+                    ->canBeUnset()
+                    ->children()
+                        ->scalarNode('child1')->end()
+                        ->scalarNode('child2')->end()
+                        ->scalarNode('child3')
+                            ->info(
+                                "this is a long\n".
+                                "multi-line info text\n".
+                                'which should be indented'
+                            )
+                            ->example('example setting')
+                        ->end()
+                    ->end()
+                ->end()
+                ->arrayNode('parameters')
+                    ->useAttributeAsKey('name')
+                    ->prototype('scalar')->end()
+                ->end()
+                ->arrayNode('connections')
+                    ->prototype('array')
+                        ->children()
+                            ->scalarNode('user')->end()
+                            ->scalarNode('pass')->end()
+                        ->end()
+                    ->end()
+                ->end()
+            ->end()
+        ;
+
+        return $treeBuilder;
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/document_type.xml b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/document_type.xml
new file mode 100644
index 0000000..4c25228
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/document_type.xml
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE scan [<!ENTITY test SYSTEM "php://filter/read=convert.base64-encode/resource={{ resource }}">]>
+<scan></scan>
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/invalid.xml b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/invalid.xml
new file mode 100644
index 0000000..a07af9f
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/invalid.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<root>
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/invalid_schema.xml b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/invalid_schema.xml
new file mode 100644
index 0000000..e2725a2
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/invalid_schema.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<root2 xmlns="http://example.com/schema" />
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/schema.xsd b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/schema.xsd
new file mode 100644
index 0000000..e56820f
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/schema.xsd
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<xsd:schema xmlns="http://example.com/schema"
+    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+    targetNamespace="http://example.com/schema"
+    elementFormDefault="qualified">
+
+  <xsd:element name="root" />
+</xsd:schema>
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/valid.xml b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/valid.xml
new file mode 100644
index 0000000..a96bb38
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/Util/valid.xml
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<root xmlns="http://example.com/schema">
+</root>
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/foo.xml b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/foo.xml
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Fixtures/foo.xml
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Loader/DelegatingLoaderTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Loader/DelegatingLoaderTest.php
new file mode 100644
index 0000000..7641e24
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Loader/DelegatingLoaderTest.php
@@ -0,0 +1,83 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Loader;
+
+use Symfony\Component\Config\Loader\LoaderResolver;
+use Symfony\Component\Config\Loader\DelegatingLoader;
+
+class DelegatingLoaderTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @covers Symfony\Component\Config\Loader\DelegatingLoader::__construct
+     */
+    public function testConstructor()
+    {
+        $loader = new DelegatingLoader($resolver = new LoaderResolver());
+        $this->assertTrue(true, '__construct() takes a loader resolver as its first argument');
+    }
+
+    /**
+     * @covers Symfony\Component\Config\Loader\DelegatingLoader::getResolver
+     * @covers Symfony\Component\Config\Loader\DelegatingLoader::setResolver
+     */
+    public function testGetSetResolver()
+    {
+        $resolver = new LoaderResolver();
+        $loader = new DelegatingLoader($resolver);
+        $this->assertSame($resolver, $loader->getResolver(), '->getResolver() gets the resolver loader');
+        $loader->setResolver($resolver = new LoaderResolver());
+        $this->assertSame($resolver, $loader->getResolver(), '->setResolver() sets the resolver loader');
+    }
+
+    /**
+     * @covers Symfony\Component\Config\Loader\DelegatingLoader::supports
+     */
+    public function testSupports()
+    {
+        $loader1 = $this->getMock('Symfony\Component\Config\Loader\LoaderInterface');
+        $loader1->expects($this->once())->method('supports')->will($this->returnValue(true));
+        $loader = new DelegatingLoader(new LoaderResolver(array($loader1)));
+        $this->assertTrue($loader->supports('foo.xml'), '->supports() returns true if the resource is loadable');
+
+        $loader1 = $this->getMock('Symfony\Component\Config\Loader\LoaderInterface');
+        $loader1->expects($this->once())->method('supports')->will($this->returnValue(false));
+        $loader = new DelegatingLoader(new LoaderResolver(array($loader1)));
+        $this->assertFalse($loader->supports('foo.foo'), '->supports() returns false if the resource is not loadable');
+    }
+
+    /**
+     * @covers Symfony\Component\Config\Loader\DelegatingLoader::load
+     */
+    public function testLoad()
+    {
+        $loader = $this->getMock('Symfony\Component\Config\Loader\LoaderInterface');
+        $loader->expects($this->once())->method('supports')->will($this->returnValue(true));
+        $loader->expects($this->once())->method('load');
+        $resolver = new LoaderResolver(array($loader));
+        $loader = new DelegatingLoader($resolver);
+
+        $loader->load('foo');
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Exception\FileLoaderLoadException
+     */
+    public function testLoadThrowsAnExceptionIfTheResourceCannotBeLoaded()
+    {
+        $loader = $this->getMock('Symfony\Component\Config\Loader\LoaderInterface');
+        $loader->expects($this->once())->method('supports')->will($this->returnValue(false));
+        $resolver = new LoaderResolver(array($loader));
+        $loader = new DelegatingLoader($resolver);
+
+        $loader->load('foo');
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Loader/FileLoaderTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Loader/FileLoaderTest.php
new file mode 100644
index 0000000..1442e94
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Loader/FileLoaderTest.php
@@ -0,0 +1,106 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Loader;
+
+use Symfony\Component\Config\Loader\FileLoader;
+use Symfony\Component\Config\Loader\LoaderResolver;
+
+class FileLoaderTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @covers Symfony\Component\Config\Loader\FileLoader
+     */
+    public function testImportWithFileLocatorDelegation()
+    {
+        $locatorMock = $this->getMock('Symfony\Component\Config\FileLocatorInterface');
+
+        $locatorMockForAdditionalLoader = $this->getMock('Symfony\Component\Config\FileLocatorInterface');
+        $locatorMockForAdditionalLoader->expects($this->any())->method('locate')->will($this->onConsecutiveCalls(
+                array('path/to/file1'),                    // Default
+                array('path/to/file1', 'path/to/file2'),   // First is imported
+                array('path/to/file1', 'path/to/file2'),   // Second is imported
+                array('path/to/file1'),                    // Exception
+                array('path/to/file1', 'path/to/file2')    // Exception
+                ));
+
+        $fileLoader = new TestFileLoader($locatorMock);
+        $fileLoader->setSupports(false);
+        $fileLoader->setCurrentDir('.');
+
+        $additionalLoader = new TestFileLoader($locatorMockForAdditionalLoader);
+        $additionalLoader->setCurrentDir('.');
+
+        $fileLoader->setResolver($loaderResolver = new LoaderResolver(array($fileLoader, $additionalLoader)));
+
+        // Default case
+        $this->assertSame('path/to/file1', $fileLoader->import('my_resource'));
+
+        // Check first file is imported if not already loading
+        $this->assertSame('path/to/file1', $fileLoader->import('my_resource'));
+
+        // Check second file is imported if first is already loading
+        $fileLoader->addLoading('path/to/file1');
+        $this->assertSame('path/to/file2', $fileLoader->import('my_resource'));
+
+        // Check exception throws if first (and only available) file is already loading
+        try {
+            $fileLoader->import('my_resource');
+            $this->fail('->import() throws a FileLoaderImportCircularReferenceException if the resource is already loading');
+        } catch (\Exception $e) {
+            $this->assertInstanceOf('Symfony\Component\Config\Exception\FileLoaderImportCircularReferenceException', $e, '->import() throws a FileLoaderImportCircularReferenceException if the resource is already loading');
+        }
+
+        // Check exception throws if all files are already loading
+        try {
+            $fileLoader->addLoading('path/to/file2');
+            $fileLoader->import('my_resource');
+            $this->fail('->import() throws a FileLoaderImportCircularReferenceException if the resource is already loading');
+        } catch (\Exception $e) {
+            $this->assertInstanceOf('Symfony\Component\Config\Exception\FileLoaderImportCircularReferenceException', $e, '->import() throws a FileLoaderImportCircularReferenceException if the resource is already loading');
+        }
+    }
+}
+
+class TestFileLoader extends FileLoader
+{
+    private $supports = true;
+
+    public function load($resource, $type = null)
+    {
+        return $resource;
+    }
+
+    public function supports($resource, $type = null)
+    {
+        return $this->supports;
+    }
+
+    public function addLoading($resource)
+    {
+        self::$loading[$resource] = true;
+    }
+
+    public function removeLoading($resource)
+    {
+        unset(self::$loading[$resource]);
+    }
+
+    public function clearLoading()
+    {
+        self::$loading = array();
+    }
+
+    public function setSupports($supports)
+    {
+        $this->supports = $supports;
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Loader/LoaderResolverTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Loader/LoaderResolverTest.php
new file mode 100644
index 0000000..8ee276b
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Loader/LoaderResolverTest.php
@@ -0,0 +1,56 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Loader;
+
+use Symfony\Component\Config\Loader\LoaderResolver;
+
+class LoaderResolverTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @covers Symfony\Component\Config\Loader\LoaderResolver::__construct
+     */
+    public function testConstructor()
+    {
+        $resolver = new LoaderResolver(array(
+            $loader = $this->getMock('Symfony\Component\Config\Loader\LoaderInterface'),
+        ));
+
+        $this->assertEquals(array($loader), $resolver->getLoaders(), '__construct() takes an array of loaders as its first argument');
+    }
+
+    /**
+     * @covers Symfony\Component\Config\Loader\LoaderResolver::resolve
+     */
+    public function testResolve()
+    {
+        $loader = $this->getMock('Symfony\Component\Config\Loader\LoaderInterface');
+        $resolver = new LoaderResolver(array($loader));
+        $this->assertFalse($resolver->resolve('foo.foo'), '->resolve() returns false if no loader is able to load the resource');
+
+        $loader = $this->getMock('Symfony\Component\Config\Loader\LoaderInterface');
+        $loader->expects($this->once())->method('supports')->will($this->returnValue(true));
+        $resolver = new LoaderResolver(array($loader));
+        $this->assertEquals($loader, $resolver->resolve(function () {}), '->resolve() returns the loader for the given resource');
+    }
+
+    /**
+     * @covers Symfony\Component\Config\Loader\LoaderResolver::getLoaders
+     * @covers Symfony\Component\Config\Loader\LoaderResolver::addLoader
+     */
+    public function testLoaders()
+    {
+        $resolver = new LoaderResolver();
+        $resolver->addLoader($loader = $this->getMock('Symfony\Component\Config\Loader\LoaderInterface'));
+
+        $this->assertEquals(array($loader), $resolver->getLoaders(), 'addLoader() adds a loader');
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Loader/LoaderTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Loader/LoaderTest.php
new file mode 100644
index 0000000..e938a4b
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Loader/LoaderTest.php
@@ -0,0 +1,117 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Loader;
+
+use Symfony\Component\Config\Loader\Loader;
+
+class LoaderTest extends \PHPUnit_Framework_TestCase
+{
+    public function testGetSetResolver()
+    {
+        $resolver = $this->getMock('Symfony\Component\Config\Loader\LoaderResolverInterface');
+
+        $loader = new ProjectLoader1();
+        $loader->setResolver($resolver);
+
+        $this->assertSame($resolver, $loader->getResolver(), '->setResolver() sets the resolver loader');
+    }
+
+    public function testResolve()
+    {
+        $resolvedLoader = $this->getMock('Symfony\Component\Config\Loader\LoaderInterface');
+
+        $resolver = $this->getMock('Symfony\Component\Config\Loader\LoaderResolverInterface');
+        $resolver->expects($this->once())
+            ->method('resolve')
+            ->with('foo.xml')
+            ->will($this->returnValue($resolvedLoader));
+
+        $loader = new ProjectLoader1();
+        $loader->setResolver($resolver);
+
+        $this->assertSame($loader, $loader->resolve('foo.foo'), '->resolve() finds a loader');
+        $this->assertSame($resolvedLoader, $loader->resolve('foo.xml'), '->resolve() finds a loader');
+    }
+
+    /**
+     * @expectedException \Symfony\Component\Config\Exception\FileLoaderLoadException
+     */
+    public function testResolveWhenResolverCannotFindLoader()
+    {
+        $resolver = $this->getMock('Symfony\Component\Config\Loader\LoaderResolverInterface');
+        $resolver->expects($this->once())
+            ->method('resolve')
+            ->with('FOOBAR')
+            ->will($this->returnValue(false));
+
+        $loader = new ProjectLoader1();
+        $loader->setResolver($resolver);
+
+        $loader->resolve('FOOBAR');
+    }
+
+    public function testImport()
+    {
+        $resolvedLoader = $this->getMock('Symfony\Component\Config\Loader\LoaderInterface');
+        $resolvedLoader->expects($this->once())
+            ->method('load')
+            ->with('foo')
+            ->will($this->returnValue('yes'));
+
+        $resolver = $this->getMock('Symfony\Component\Config\Loader\LoaderResolverInterface');
+        $resolver->expects($this->once())
+            ->method('resolve')
+            ->with('foo')
+            ->will($this->returnValue($resolvedLoader));
+
+        $loader = new ProjectLoader1();
+        $loader->setResolver($resolver);
+
+        $this->assertEquals('yes', $loader->import('foo'));
+    }
+
+    public function testImportWithType()
+    {
+        $resolvedLoader = $this->getMock('Symfony\Component\Config\Loader\LoaderInterface');
+        $resolvedLoader->expects($this->once())
+            ->method('load')
+            ->with('foo', 'bar')
+            ->will($this->returnValue('yes'));
+
+        $resolver = $this->getMock('Symfony\Component\Config\Loader\LoaderResolverInterface');
+        $resolver->expects($this->once())
+            ->method('resolve')
+            ->with('foo', 'bar')
+            ->will($this->returnValue($resolvedLoader));
+
+        $loader = new ProjectLoader1();
+        $loader->setResolver($resolver);
+
+        $this->assertEquals('yes', $loader->import('foo', 'bar'));
+    }
+}
+
+class ProjectLoader1 extends Loader
+{
+    public function load($resource, $type = null)
+    {
+    }
+
+    public function supports($resource, $type = null)
+    {
+        return is_string($resource) && 'foo' === pathinfo($resource, PATHINFO_EXTENSION);
+    }
+
+    public function getType()
+    {
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Resource/DirectoryResourceTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Resource/DirectoryResourceTest.php
new file mode 100644
index 0000000..d78e0cf
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Resource/DirectoryResourceTest.php
@@ -0,0 +1,152 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Resource;
+
+use Symfony\Component\Config\Resource\DirectoryResource;
+
+class DirectoryResourceTest extends \PHPUnit_Framework_TestCase
+{
+    protected $directory;
+
+    protected function setUp()
+    {
+        $this->directory = sys_get_temp_dir().'/symfonyDirectoryIterator';
+        if (!file_exists($this->directory)) {
+            mkdir($this->directory);
+        }
+        touch($this->directory.'/tmp.xml');
+    }
+
+    protected function tearDown()
+    {
+        if (!is_dir($this->directory)) {
+            return;
+        }
+        $this->removeDirectory($this->directory);
+    }
+
+    protected function removeDirectory($directory)
+    {
+        $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($directory), \RecursiveIteratorIterator::CHILD_FIRST);
+        foreach ($iterator as $path) {
+            if (preg_match('#[/\\\\]\.\.?$#', $path->__toString())) {
+                continue;
+            }
+            if ($path->isDir()) {
+                rmdir($path->__toString());
+            } else {
+                unlink($path->__toString());
+            }
+        }
+        rmdir($directory);
+    }
+
+    public function testGetResource()
+    {
+        $resource = new DirectoryResource($this->directory);
+        $this->assertSame($this->directory, $resource->getResource(), '->getResource() returns the path to the resource');
+        $this->assertSame($this->directory, (string) $resource, '->__toString() returns the path to the resource');
+    }
+
+    public function testGetPattern()
+    {
+        $resource = new DirectoryResource('foo', 'bar');
+        $this->assertEquals('bar', $resource->getPattern());
+    }
+
+    public function testIsFresh()
+    {
+        $resource = new DirectoryResource($this->directory);
+        $this->assertTrue($resource->isFresh(time() + 10), '->isFresh() returns true if the resource has not changed');
+        $this->assertFalse($resource->isFresh(time() - 86400), '->isFresh() returns false if the resource has been updated');
+
+        $resource = new DirectoryResource('/____foo/foobar'.rand(1, 999999));
+        $this->assertFalse($resource->isFresh(time()), '->isFresh() returns false if the resource does not exist');
+    }
+
+    public function testIsFreshUpdateFile()
+    {
+        $resource = new DirectoryResource($this->directory);
+        touch($this->directory.'/tmp.xml', time() + 20);
+        $this->assertFalse($resource->isFresh(time() + 10), '->isFresh() returns false if an existing file is modified');
+    }
+
+    public function testIsFreshNewFile()
+    {
+        $resource = new DirectoryResource($this->directory);
+        touch($this->directory.'/new.xml', time() + 20);
+        $this->assertFalse($resource->isFresh(time() + 10), '->isFresh() returns false if a new file is added');
+    }
+
+    public function testIsFreshDeleteFile()
+    {
+        $resource = new DirectoryResource($this->directory);
+        unlink($this->directory.'/tmp.xml');
+        $this->assertFalse($resource->isFresh(time()), '->isFresh() returns false if an existing file is removed');
+    }
+
+    public function testIsFreshDeleteDirectory()
+    {
+        $resource = new DirectoryResource($this->directory);
+        $this->removeDirectory($this->directory);
+        $this->assertFalse($resource->isFresh(time()), '->isFresh() returns false if the whole resource is removed');
+    }
+
+    public function testIsFreshCreateFileInSubdirectory()
+    {
+        $subdirectory = $this->directory.'/subdirectory';
+        mkdir($subdirectory);
+
+        $resource = new DirectoryResource($this->directory);
+        $this->assertTrue($resource->isFresh(time() + 10), '->isFresh() returns true if an unmodified subdirectory exists');
+
+        touch($subdirectory.'/newfile.xml', time() + 20);
+        $this->assertFalse($resource->isFresh(time() + 10), '->isFresh() returns false if a new file in a subdirectory is added');
+    }
+
+    public function testIsFreshModifySubdirectory()
+    {
+        $resource = new DirectoryResource($this->directory);
+
+        $subdirectory = $this->directory.'/subdirectory';
+        mkdir($subdirectory);
+        touch($subdirectory, time() + 20);
+
+        $this->assertFalse($resource->isFresh(time() + 10), '->isFresh() returns false if a subdirectory is modified (e.g. a file gets deleted)');
+    }
+
+    public function testFilterRegexListNoMatch()
+    {
+        $resource = new DirectoryResource($this->directory, '/\.(foo|xml)$/');
+
+        touch($this->directory.'/new.bar', time() + 20);
+        $this->assertTrue($resource->isFresh(time() + 10), '->isFresh() returns true if a new file not matching the filter regex is created');
+    }
+
+    public function testFilterRegexListMatch()
+    {
+        $resource = new DirectoryResource($this->directory, '/\.(foo|xml)$/');
+
+        touch($this->directory.'/new.xml', time() + 20);
+        $this->assertFalse($resource->isFresh(time() + 10), '->isFresh() returns false if an new file matching the filter regex is created ');
+    }
+
+    public function testSerializeUnserialize()
+    {
+        $resource = new DirectoryResource($this->directory, '/\.(foo|xml)$/');
+
+        $unserialized = unserialize(serialize($resource));
+
+        $this->assertSame($this->directory, $resource->getResource());
+        $this->assertSame('/\.(foo|xml)$/', $resource->getPattern());
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Resource/FileResourceTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Resource/FileResourceTest.php
new file mode 100644
index 0000000..d152806
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Resource/FileResourceTest.php
@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Resource;
+
+use Symfony\Component\Config\Resource\FileResource;
+
+class FileResourceTest extends \PHPUnit_Framework_TestCase
+{
+    protected $resource;
+    protected $file;
+    protected $time;
+
+    protected function setUp()
+    {
+        $this->file = realpath(sys_get_temp_dir()).'/tmp.xml';
+        $this->time = time();
+        touch($this->file, $this->time);
+        $this->resource = new FileResource($this->file);
+    }
+
+    protected function tearDown()
+    {
+        unlink($this->file);
+    }
+
+    public function testGetResource()
+    {
+        $this->assertSame(realpath($this->file), $this->resource->getResource(), '->getResource() returns the path to the resource');
+    }
+
+    public function testToString()
+    {
+        $this->assertSame(realpath($this->file), (string) $this->resource);
+    }
+
+    public function testIsFresh()
+    {
+        $this->assertTrue($this->resource->isFresh($this->time), '->isFresh() returns true if the resource has not changed in same second');
+        $this->assertTrue($this->resource->isFresh($this->time + 10), '->isFresh() returns true if the resource has not changed');
+        $this->assertFalse($this->resource->isFresh($this->time - 86400), '->isFresh() returns false if the resource has been updated');
+
+        $resource = new FileResource('/____foo/foobar'.rand(1, 999999));
+        $this->assertFalse($resource->isFresh($this->time), '->isFresh() returns false if the resource does not exist');
+    }
+
+    public function testSerializeUnserialize()
+    {
+        $unserialized = unserialize(serialize($this->resource));
+
+        $this->assertSame(realpath($this->file), $this->resource->getResource());
+    }
+}
diff --git a/vendor/symfony/config/Symfony/Component/Config/Tests/Util/XmlUtilsTest.php b/vendor/symfony/config/Symfony/Component/Config/Tests/Util/XmlUtilsTest.php
new file mode 100644
index 0000000..f9d3d14
--- /dev/null
+++ b/vendor/symfony/config/Symfony/Component/Config/Tests/Util/XmlUtilsTest.php
@@ -0,0 +1,197 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Tests\Loader;
+
+use Symfony\Component\Config\Util\XmlUtils;
+
+class XmlUtilsTest extends \PHPUnit_Framework_TestCase
+{
+    public function testLoadFile()
+    {
+        $fixtures = __DIR__.'/../Fixtures/Util/';
+
+        try {
+            XmlUtils::loadFile($fixtures.'invalid.xml');
+            $this->fail();
+        } catch (\InvalidArgumentException $e) {
+            $this->assertContains('ERROR 77', $e->getMessage());
+        }
+
+        try {
+            XmlUtils::loadFile($fixtures.'document_type.xml');
+            $this->fail();
+        } catch (\InvalidArgumentException $e) {
+            $this->assertContains('Document types are not allowed', $e->getMessage());
+        }
+
+        try {
+            XmlUtils::loadFile($fixtures.'invalid_schema.xml', $fixtures.'schema.xsd');
+            $this->fail();
+        } catch (\InvalidArgumentException $e) {
+            $this->assertContains('ERROR 1845', $e->getMessage());
+        }
+
+        try {
+            XmlUtils::loadFile($fixtures.'invalid_schema.xml', 'invalid_callback_or_file');
+            $this->fail();
+        } catch (\InvalidArgumentException $e) {
+            $this->assertContains('XSD file or callable', $e->getMessage());
+        }
+
+        $mock = $this->getMock(__NAMESPACE__.'\Validator');
+        $mock->expects($this->exactly(2))->method('validate')->will($this->onConsecutiveCalls(false, true));
+
+        try {
+            XmlUtils::loadFile($fixtures.'valid.xml', array($mock, 'validate'));
+            $this->fail();
+        } catch (\InvalidArgumentException $e) {
+            $this->assertContains('is not valid', $e->getMessage());
+        }
+
+        $this->assertInstanceOf('DOMDocument', XmlUtils::loadFile($fixtures.'valid.xml', array($mock, 'validate')));
+        $this->assertSame(array(), libxml_get_errors());
+    }
+
+    public function testLoadFileWithInternalErrorsEnabled()
+    {
+        libxml_use_internal_errors(true);
+
+        $this->assertSame(array(), libxml_get_errors());
+        $this->assertInstanceOf('DOMDocument', XmlUtils::loadFile(__DIR__.'/../Fixtures/Util/invalid_schema.xml'));
+        $this->assertSame(array(), libxml_get_errors());
+    }
+
+    /**
+     * @dataProvider getDataForConvertDomToArray
+     */
+    public function testConvertDomToArray($expected, $xml, $root = false, $checkPrefix = true)
+    {
+        $dom = new \DOMDocument();
+        $dom->loadXML($root ? $xml : '<root>'.$xml.'</root>');
+
+        $this->assertSame($expected, XmlUtils::convertDomElementToArray($dom->documentElement, $checkPrefix));
+    }
+
+    public function getDataForConvertDomToArray()
+    {
+        return array(
+            array(null, ''),
+            array('bar', 'bar'),
+            array(array('bar' => 'foobar'), '<foo bar="foobar" />', true),
+            array(array('foo' => null), '<foo />'),
+            array(array('foo' => 'bar'), '<foo>bar</foo>'),
+            array(array('foo' => array('foo' => 'bar')), '<foo foo="bar"/>'),
+            array(array('foo' => array('foo' => 0)), '<foo><foo>0</foo></foo>'),
+            array(array('foo' => array('foo' => 'bar')), '<foo><foo>bar</foo></foo>'),
+            array(array('foo' => array('foo' => 'bar', 'value' => 'text')), '<foo foo="bar">text</foo>'),
+            array(array('foo' => array('attr' => 'bar', 'foo' => 'text')), '<foo attr="bar"><foo>text</foo></foo>'),
+            array(array('foo' => array('bar', 'text')), '<foo>bar</foo><foo>text</foo>'),
+            array(array('foo' => array(array('foo' => 'bar'), array('foo' => 'text'))), '<foo foo="bar"/><foo foo="text" />'),
+            array(array('foo' => array('foo' => array('bar', 'text'))), '<foo foo="bar"><foo>text</foo></foo>'),
+            array(array('foo' => 'bar'), '<foo><!-- Comment -->bar</foo>'),
+            array(array('foo' => 'text'), '<foo xmlns:h="http://www.example.org/bar" h:bar="bar">text</foo>'),
+            array(array('foo' => array('bar' => 'bar', 'value' => 'text')), '<foo xmlns:h="http://www.example.org/bar" h:bar="bar">text</foo>', false, false),
+            array(array('attr' => 1, 'b' => 'hello'), '<foo:a xmlns:foo="http://www.example.org/foo" xmlns:h="http://www.example.org/bar" attr="1" h:bar="bar"><foo:b>hello</foo:b><h:c>2</h:c></foo:a>', true),
+        );
+    }
+
+    /**
+     * @dataProvider getDataForPhpize
+     */
+    public function testPhpize($expected, $value)
+    {
+        $this->assertSame($expected, XmlUtils::phpize($value));
+    }
+
+    public function getDataForPhpize()
+    {
+        return array(
+            array('', ''),
+            array(null, 'null'),
+            array(true, 'true'),
+            array(false, 'false'),
+            array(null, 'Null'),
+            array(true, 'True'),
+            array(false, 'False'),
+            array(0, '0'),
+            array(1, '1'),
+            array(-1, '-1'),
+            array(0777, '0777'),
+            array(255, '0xFF'),
+            array(100.0, '1e2'),
+            array(-120.0, '-1.2E2'),
+            array(-10100.1, '-10100.1'),
+            array('-10,100.1', '-10,100.1'),
+            array('1234 5678 9101 1121 3141', '1234 5678 9101 1121 3141'),
+            array('1,2,3,4', '1,2,3,4'),
+            array('11,22,33,44', '11,22,33,44'),
+            array('11,222,333,4', '11,222,333,4'),
+            array('1,222,333,444', '1,222,333,444'),
+            array('11,222,333,444', '11,222,333,444'),
+            array('111,222,333,444', '111,222,333,444'),
+            array('1111,2222,3333,4444,5555', '1111,2222,3333,4444,5555'),
+            array('foo', 'foo'),
+            array(6, '0b0110'),
+        );
+    }
+
+    public function testLoadEmptyXmlFile()
+    {
+        $file = __DIR__.'/../Fixtures/foo.xml';
+        $this->setExpectedException('InvalidArgumentException', 'File '.$file.' does not contain valid XML, it is empty.');
+        XmlUtils::loadFile($file);
+    }
+
+    // test for issue https://github.com/symfony/symfony/issues/9731
+    public function testLoadWrongEmptyXMLWithErrorHandler()
+    {
+        $originalDisableEntities = libxml_disable_entity_loader(false);
+        $errorReporting = error_reporting(-1);
+
+        set_error_handler(function ($errno, $errstr) {
+            throw new \Exception($errstr, $errno);
+        });
+
+        $file = __DIR__.'/../Fixtures/foo.xml';
+        try {
+            try {
+                XmlUtils::loadFile($file);
+                $this->fail('An exception should have been raised');
+            } catch (\InvalidArgumentException $e) {
+                $this->assertEquals(sprintf('File %s does not contain valid XML, it is empty.', $file), $e->getMessage());
+            }
+        } catch (\Exception $e) {
+            restore_error_handler();
+            error_reporting($errorReporting);
+
+            throw $e;
+        }
+
+        restore_error_handler();
+        error_reporting($errorReporting);
+
+        $disableEntities = libxml_disable_entity_loader(true);
+        libxml_disable_entity_loader($disableEntities);
+
+        libxml_disable_entity_loader($originalDisableEntities);
+
+        $this->assertFalse($disableEntities);
+
+        // should not throw an exception
+        XmlUtils::loadFile(__DIR__.'/../Fixtures/Util/valid.xml', __DIR__.'/../Fixtures/Util/schema.xsd');
+    }
+}
+
+interface Validator
+{
+    public function validate();
+}