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<?php
/**
* 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_Constraint
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @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
*/
/**
*
*
* @package PHPUnit
* @subpackage Framework_Constraint
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @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_Constraint_Count extends PHPUnit_Framework_Constraint
{
/**
* @var integer
*/
protected $expectedCount = 0;
/**
* @param integer $expected
*/
public function __construct($expected)
{
$this->expectedCount = $expected;
}
/**
* Evaluates the constraint for parameter $other. Returns TRUE if the
* constraint is met, FALSE otherwise.
*
* @param mixed $other
* @return boolean
*/
protected function matches($other)
{
return $this->expectedCount === $this->getCountOf($other);
}
/**
* @param mixed $other
* @return boolean
*/
protected function getCountOf($other)
{
if ($other instanceof Countable || is_array($other)) {
return count($other);
}
else if ($other instanceof Iterator) {
return iterator_count($other);
}
}
/**
* Returns the description of the failure
*
* The beginning of failure messages is "Failed asserting that" in most
* cases. This method should return the second part of that sentence.
*
* @param mixed $other Evaluated value or object.
* @return string
*/
protected function failureDescription($other)
{
return sprintf(
'actual size %d matches expected size %d',
$this->getCountOf($other),
$this->expectedCount
);
}
/**
* @return string
*/
public function toString()
{
return 'count matches ';
}
}
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