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<?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)
{
}