Viewing file:  Callback.php (1.3 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Constraint that evaluates against a specified closure.
*/
class PHPUnit_Framework_Constraint_Callback extends PHPUnit_Framework_Constraint
{
private $callback;
/**
* @param callable $callback
*
* @throws PHPUnit_Framework_Exception
*/
public function __construct($callback)
{
if (!is_callable($callback)) {
throw PHPUnit_Util_InvalidArgumentHelper::factory(
1,
'callable'
);
}
parent::__construct();
$this->callback = $callback;
}
/**
* Evaluates the constraint for parameter $value. Returns true if the
* constraint is met, false otherwise.
*
* @param mixed $other Value or object to evaluate.
*
* @return bool
*/
protected function matches($other)
{
return call_user_func($this->callback, $other);
}
/**
* Returns a string representation of the constraint.
*
* @return string
*/
public function toString()
{
return 'is accepted by specified callback';
}
}
|