/usr/share/php/PHPUnit/Framework/Constraint/Callback.php is in phpunit 3.7.28-1.
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/**
* PHPUnit
*
* Copyright (c) 2002-2013, Sebastian Bergmann <sebastian@phpunit.de>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Sebastian Bergmann nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package PHPUnit
* @subpackage Framework_Constraint
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2002-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.phpunit.de/
*/
/**
* Constraint that evaluates against a specified closure.
*
* @package PHPUnit
* @subpackage Framework_Constraint
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @author Timon Rapp <timon@zaeda.net>
* @copyright 2002-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.phpunit.de/
*/
class PHPUnit_Framework_Constraint_Callback extends PHPUnit_Framework_Constraint
{
private $callback;
/**
* @param callable $callback
* @throws InvalidArgumentException
*/
public function __construct($callback)
{
if (!is_callable($callback)) {
throw new InvalidArgumentException(
sprintf(
'Specified callback <%s> is not callable.',
$this->callbackToString($callback)
)
);
}
$this->callback = $callback;
}
/**
* Evaluates the constraint for parameter $value. Returns TRUE if the
* constraint is met, FALSE otherwise.
*
* @param mixed $value Value or object to evaluate.
* @return bool
*/
protected function matches($other)
{
return call_user_func($this->callback, $other);
}
/**
* Returns a string representation of the constraint.
*
* @return string
*/
public function toString()
{
return 'is accepted by specified callback';
}
private function callbackToString($callback)
{
if (!is_array($callback)) {
return $callback;
}
if (empty($callback)) {
return "empty array";
}
if (!isset($callback[0]) || !isset($callback[1])) {
return "array without indexes 0 and 1 set";
}
if (is_object($callback[0])) {
$callback[0] = get_class($callback[0]);
}
return $callback[0] . '::' . $callback[1];
}
}
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