/usr/share/php/PHPUnit/Framework/ComparatorFactory.php is in phpunit 3.7.28-1.
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/**
* PHPUnit
*
* Copyright (c) 2001-2013, 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
* @author Bernhard Schussek <bschussek@2bepublished.at>
* @copyright 2001-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.phpunit.de/
* @since File available since Release 3.6.0
*/
/**
* Factory for comparators which compare values for equality.
*
* @package PHPUnit
* @subpackage Framework
* @author Bernhard Schussek <bschussek@2bepublished.at>
* @copyright 2001-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.phpunit.de/
* @since Class available since Release 3.6.0
*/
class PHPUnit_Framework_ComparatorFactory
{
/**
* @var array
*/
protected $comparators = array();
/**
* @var PHPUnit_Framework_ComparatorFactory
*/
private static $defaultInstance = NULL;
/**
* Constructs a new factory.
*/
public function __construct()
{
$this->register(new PHPUnit_Framework_Comparator_Type);
$this->register(new PHPUnit_Framework_Comparator_Scalar);
$this->register(new PHPUnit_Framework_Comparator_Numeric);
$this->register(new PHPUnit_Framework_Comparator_Double);
$this->register(new PHPUnit_Framework_Comparator_Array);
$this->register(new PHPUnit_Framework_Comparator_Resource);
$this->register(new PHPUnit_Framework_Comparator_Object);
$this->register(new PHPUnit_Framework_Comparator_Exception);
$this->register(new PHPUnit_Framework_Comparator_SplObjectStorage);
$this->register(new PHPUnit_Framework_Comparator_DOMDocument);
$this->register(new PHPUnit_Framework_Comparator_MockObject);
}
/**
* Returns the default instance.
*
* @return PHPUnit_Framework_ComparatorFactory
*/
public static function getDefaultInstance()
{
if (self::$defaultInstance === NULL) {
self::$defaultInstance = new PHPUnit_Framework_ComparatorFactory;
}
return self::$defaultInstance;
}
/**
* Returns the correct comparator for comparing two values.
*
* @param mixed $expected The first value to compare
* @param mixed $actual The second value to compare
* @return PHPUnit_Framework_Comparator
* @throws PHPUnit_Framework_Exception
*/
public function getComparatorFor($expected, $actual)
{
foreach ($this->comparators as $comparator) {
if ($comparator->accepts($expected, $actual)) {
return $comparator;
}
}
throw new PHPUnit_Framework_Exception(
sprintf(
'No comparator is registered for comparing the types "%s" and "%s"',
gettype($expected), gettype($actual)
)
);
}
/**
* Registers a new comparator.
*
* This comparator will be returned by getInstance() if its accept() method
* returns TRUE for the compared values. It has higher priority than the
* existing comparators, meaning that its accept() method will be tested
* before those of the other comparators.
*
* @param PHPUnit_Framework_Comparator $comparator The registered comparator
*/
public function register(PHPUnit_Framework_Comparator $comparator)
{
array_unshift($this->comparators, $comparator);
$comparator->setFactory($this);
}
/**
* Unregisters a comparator.
*
* This comparator will no longer be returned by getInstance().
*
* @param PHPUnit_Framework_Comparator $comparator The unregistered comparator
*/
public function unregister(PHPUnit_Framework_Comparator $comparator)
{
foreach ($this->comparators as $key => $_comparator) {
if ($comparator === $_comparator) {
unset($this->comparators[$key]);
}
}
}
}
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