Source of file IsIdentical.php
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/home/theseer/storage/php/phpunit/src/src/Framework/Constraint/IsIdentical.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173 | <?php /** * PHPUnit * * Copyright (c) 2001-2014, 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 2001-2014 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 3.0.0 */ /** * Constraint that asserts that one value is identical to another. * * Identical check is performed with PHP's === operator, the operator is * explained in detail at * {@url http://www.php.net/manual/en/types.comparisons.php}. * Two values are identical if they have the same value and are of the same * type. * * The expected value is passed in the constructor. * * @package PHPUnit * @subpackage Framework_Constraint * @author Sebastian Bergmann <sebastian@phpunit.de> * @author Bernhard Schussek <bschussek@2bepublished.at> * @copyright 2001-2014 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 3.0.0 */ class PHPUnit_Framework_Constraint_IsIdentical extends PHPUnit_Framework_Constraint { /** * @var float */ const EPSILON = 0.0000000001; /** * @var mixed */ protected $value; /** * @param mixed $value */ public function __construct($value) { parent::__construct(); $this->value = $value; } /** * Evaluates the constraint for parameter $other * * If $returnResult is set to false (the default), an exception is thrown * in case of a failure. null is returned otherwise. * * If $returnResult is true, the result of the evaluation is returned as * a boolean value instead: true in case of success, false in case of a * failure. * * @param mixed $other Value or object to evaluate. * @param string $description Additional information about the test * @param bool $returnResult Whether to return a result or throw an exception * @return mixed * @throws PHPUnit_Framework_ExpectationFailedException */ public function evaluate($other, $description = '', $returnResult = false) { if (is_double($this->value) && is_double($other) && !is_infinite($this->value) && !is_infinite($other) && !is_nan($this->value) && !is_nan($other)) { $success = abs($this->value - $other) < self::EPSILON; } else { $success = $this->value === $other; } if ($returnResult) { return $success; } if (!$success) { $f = null; // if both values are strings, make sure a diff is generated if (is_string($this->value) && is_string($other)) { $f = new SebastianBergmann\Comparator\ComparisonFailure( $this->value, $other, $this->value, $other ); } $this->fail($other, $description, $f); } } /** * 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) { if (is_object($this->value) && is_object($other)) { return 'two variables reference the same object'; } if (is_string($this->value) && is_string($other)) { return 'two strings are identical'; } return parent::failureDescription($other); } /** * Returns a string representation of the constraint. * * @return string */ public function toString() { if (is_object($this->value)) { return 'is identical to an object of class "' . get_class($this->value) . '"'; } else { return 'is identical to ' . $this->exporter->export($this->value); } } } |