Mercurial > hg > cmmr2012-drupal-site
diff vendor/sebastian/comparator/src/NumericComparator.php @ 0:c75dbcec494b
Initial commit from drush-created site
author | Chris Cannam |
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date | Thu, 05 Jul 2018 14:24:15 +0000 |
parents | |
children | 5311817fb629 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vendor/sebastian/comparator/src/NumericComparator.php Thu Jul 05 14:24:15 2018 +0000 @@ -0,0 +1,68 @@ +<?php +/* + * This file is part of the Comparator package. + * + * (c) Sebastian Bergmann <sebastian@phpunit.de> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace SebastianBergmann\Comparator; + +/** + * Compares numerical values for equality. + */ +class NumericComparator extends ScalarComparator +{ + /** + * Returns whether the comparator can compare two values. + * + * @param mixed $expected The first value to compare + * @param mixed $actual The second value to compare + * @return bool + */ + public function accepts($expected, $actual) + { + // all numerical values, but not if one of them is a double + // or both of them are strings + return is_numeric($expected) && is_numeric($actual) && + !(is_double($expected) || is_double($actual)) && + !(is_string($expected) && is_string($actual)); + } + + /** + * Asserts that two values are equal. + * + * @param mixed $expected First value to compare + * @param mixed $actual Second value to compare + * @param float $delta Allowed numerical distance between two values to consider them equal + * @param bool $canonicalize Arrays are sorted before comparison when set to true + * @param bool $ignoreCase Case is ignored when set to true + * + * @throws ComparisonFailure + */ + public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false) + { + if (is_infinite($actual) && is_infinite($expected)) { + return; + } + + if ((is_infinite($actual) xor is_infinite($expected)) || + (is_nan($actual) or is_nan($expected)) || + abs($actual - $expected) > $delta) { + throw new ComparisonFailure( + $expected, + $actual, + '', + '', + false, + sprintf( + 'Failed asserting that %s matches expected %s.', + $this->exporter->export($actual), + $this->exporter->export($expected) + ) + ); + } + } +}