5 * Copyright (c) 2002-2011, Sebastian Bergmann <sebastian@phpunit.de>.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * * Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * * Neither the name of Sebastian Bergmann nor the names of his
21 * contributors may be used to endorse or promote products derived
22 * from this software without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
27 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
28 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
30 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
31 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
34 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
38 * @subpackage Framework
39 * @author Bernhard Schussek <bschussek@2bepublished.at>
40 * @copyright 2002-2011 Sebastian Bergmann <sebastian@phpunit.de>
41 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
42 * @link http://www.phpunit.de/
43 * @since File available since Release 3.6.0
47 * Compares numerical values for equality.
50 * @subpackage Framework_Comparator
51 * @author Bernhard Schussek <bschussek@2bepublished.at>
52 * @author Alexander <iam.asm89@gmail.com>
53 * @copyright 2002-2011 Sebastian Bergmann <sebastian@phpunit.de>
54 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
55 * @version Release: 3.6.3
56 * @link http://www.phpunit.de/
57 * @since Class available since Release 3.6.0
59 class PHPUnit_Framework_Comparator_Numeric extends PHPUnit_Framework_Comparator_Scalar
62 * Returns whether the comparator can compare two values.
64 * @param mixed $expected The first value to compare
65 * @param mixed $actual The second value to compare
68 public function accepts($expected, $actual)
70 // all numerical values, but not if one of them is a double
71 return is_numeric($expected) && is_numeric($actual) && !(is_double($expected) || is_double($actual));
75 * Asserts that two values are equal.
77 * @param mixed $expected The first value to compare
78 * @param mixed $actual The second value to compare
79 * @param float $delta The allowed numerical distance between two values to
81 * @param bool $canonicalize If set to TRUE, arrays are sorted before
83 * @param bool $ignoreCase If set to TRUE, upper- and lowercasing is
84 * ignored when comparing string values
85 * @throws PHPUnit_Framework_ComparisonFailure Thrown when the comparison
86 * fails. Contains information about the
87 * specific errors that lead to the failure.
89 public function assertEquals($expected, $actual, $delta = 0, $canonicalize = FALSE, $ignoreCase = FALSE)
91 if (is_infinite($actual) && is_infinite($expected)) {
95 if (is_nan($actual) && is_nan($expected)) {
99 if ((is_infinite($actual) XOR is_infinite($expected)) ||
100 (is_nan($actual) XOR is_nan($expected)) ||
101 abs($actual - $expected) > $delta) {
102 throw new PHPUnit_Framework_ComparisonFailure(
109 'Failed asserting that %s matches expected %s.',
111 PHPUnit_Util_Type::export($actual),
112 PHPUnit_Util_Type::export($expected)