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diff --git a/vendor/twig/twig/test/Twig/Tests/Node/Expression/CallTest.php b/vendor/twig/twig/test/Twig/Tests/Node/Expression/CallTest.php
new file mode 100644
index 000000000..be7b417b9
--- /dev/null
+++ b/vendor/twig/twig/test/Twig/Tests/Node/Expression/CallTest.php
@@ -0,0 +1,143 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+class Twig_Tests_Node_Expression_CallTest extends PHPUnit_Framework_TestCase
+{
+    public function testGetArguments()
+    {
+        $node = new Twig_Tests_Node_Expression_Call(array(), array('type' => 'function', 'name' => 'date'));
+        $this->assertEquals(array('U', null), $node->getArguments('date', array('format' => 'U', 'timestamp' => null)));
+    }
+
+    /**
+     * @expectedException        Twig_Error_Syntax
+     * @expectedExceptionMessage Positional arguments cannot be used after named arguments for function "date".
+     */
+    public function testGetArgumentsWhenPositionalArgumentsAfterNamedArguments()
+    {
+        $node = new Twig_Tests_Node_Expression_Call(array(), array('type' => 'function', 'name' => 'date'));
+        $node->getArguments('date', array('timestamp' => 123456, 'Y-m-d'));
+    }
+
+    /**
+     * @expectedException        Twig_Error_Syntax
+     * @expectedExceptionMessage Argument "format" is defined twice for function "date".
+     */
+    public function testGetArgumentsWhenArgumentIsDefinedTwice()
+    {
+        $node = new Twig_Tests_Node_Expression_Call(array(), array('type' => 'function', 'name' => 'date'));
+        $node->getArguments('date', array('Y-m-d', 'format' => 'U'));
+    }
+
+    /**
+     * @expectedException        Twig_Error_Syntax
+     * @expectedExceptionMessage Unknown argument "unknown" for function "date(format, timestamp)".
+     */
+    public function testGetArgumentsWithWrongNamedArgumentName()
+    {
+        $node = new Twig_Tests_Node_Expression_Call(array(), array('type' => 'function', 'name' => 'date'));
+        $node->getArguments('date', array('Y-m-d', 'timestamp' => null, 'unknown' => ''));
+    }
+
+    /**
+     * @expectedException        Twig_Error_Syntax
+     * @expectedExceptionMessage Unknown arguments "unknown1", "unknown2" for function "date(format, timestamp)".
+     */
+    public function testGetArgumentsWithWrongNamedArgumentNames()
+    {
+        $node = new Twig_Tests_Node_Expression_Call(array(), array('type' => 'function', 'name' => 'date'));
+        $node->getArguments('date', array('Y-m-d', 'timestamp' => null, 'unknown1' => '', 'unknown2' => ''));
+    }
+
+    /**
+     * @expectedException        Twig_Error_Syntax
+     * @expectedExceptionMessage Argument "case_sensitivity" could not be assigned for function "substr_compare(main_str, str, offset, length, case_sensitivity)" because it is mapped to an internal PHP function which cannot determine default value for optional argument "length".
+     */
+    public function testResolveArgumentsWithMissingValueForOptionalArgument()
+    {
+        $node = new Twig_Tests_Node_Expression_Call(array(), array('type' => 'function', 'name' => 'substr_compare'));
+        $node->getArguments('substr_compare', array('abcd', 'bc', 'offset' => 1, 'case_sensitivity' => true));
+    }
+
+    public function testResolveArgumentsOnlyNecessaryArgumentsForCustomFunction()
+    {
+        $node = new Twig_Tests_Node_Expression_Call(array(), array('type' => 'function', 'name' => 'custom_function'));
+
+        $this->assertEquals(array('arg1'), $node->getArguments(array($this, 'customFunction'), array('arg1' => 'arg1')));
+    }
+
+    public function testGetArgumentsForStaticMethod()
+    {
+        $node = new Twig_Tests_Node_Expression_Call(array(), array('type' => 'function', 'name' => 'custom_static_function'));
+        $this->assertEquals(array('arg1'), $node->getArguments(__CLASS__.'::customStaticFunction', array('arg1' => 'arg1')));
+    }
+
+    /**
+     * @expectedException        LogicException
+     * @expectedExceptionMessage The last parameter of "Twig_Tests_Node_Expression_CallTest::customFunctionWithArbitraryArguments" for function "foo" must be an array with default value, eg. "array $arg = array()".
+     */
+    public function testResolveArgumentsWithMissingParameterForArbitraryArguments()
+    {
+        $node = new Twig_Tests_Node_Expression_Call(array(), array('type' => 'function', 'name' => 'foo', 'is_variadic' => true));
+        $node->getArguments(array($this, 'customFunctionWithArbitraryArguments'), array());
+    }
+
+    public static function customStaticFunction($arg1, $arg2 = 'default', $arg3 = array())
+    {
+    }
+
+    public function customFunction($arg1, $arg2 = 'default', $arg3 = array())
+    {
+    }
+
+    public function customFunctionWithArbitraryArguments()
+    {
+    }
+
+    /**
+     * @expectedException              LogicException
+     * @expectedExceptionMessageRegExp #^The last parameter of "custom_Twig_Tests_Node_Expression_CallTest_function" for function "foo" must be an array with default value, eg\. "array \$arg \= array\(\)"\.$#
+     */
+    public function testResolveArgumentsWithMissingParameterForArbitraryArgumentsOnFunction()
+    {
+        $node = new Twig_Tests_Node_Expression_Call(array(), array('type' => 'function', 'name' => 'foo', 'is_variadic' => true));
+        $node->getArguments('custom_Twig_Tests_Node_Expression_CallTest_function', array());
+    }
+
+    /**
+     * @expectedException              LogicException
+     * @expectedExceptionMessageRegExp #^The last parameter of "CallableTestClass\:\:__invoke" for function "foo" must be an array with default value, eg\. "array \$arg \= array\(\)"\.$#
+     */
+    public function testResolveArgumentsWithMissingParameterForArbitraryArgumentsOnObject()
+    {
+        $node = new Twig_Tests_Node_Expression_Call(array(), array('type' => 'function', 'name' => 'foo', 'is_variadic' => true));
+        $node->getArguments(new CallableTestClass(), array());
+    }
+}
+
+class Twig_Tests_Node_Expression_Call extends Twig_Node_Expression_Call
+{
+    public function getArguments($callable, $arguments)
+    {
+        return parent::getArguments($callable, $arguments);
+    }
+}
+
+class CallableTestClass
+{
+    public function __invoke($required)
+    {
+    }
+}
+
+function custom_Twig_Tests_Node_Expression_CallTest_function($required)
+{
+}