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69 lines
2.2 KiB
69 lines
2.2 KiB
4 years ago
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<?php
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/*
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* This file is part of the Comparator package.
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*
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* (c) Sebastian Bergmann <sebastian@phpunit.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace SebastianBergmann\Comparator;
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/**
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* Compares numerical values for equality.
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*/
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class NumericComparator extends ScalarComparator
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{
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/**
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* Returns whether the comparator can compare two values.
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*
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* @param mixed $expected The first value to compare
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* @param mixed $actual The second value to compare
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* @return bool
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*/
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public function accepts($expected, $actual)
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{
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// all numerical values, but not if one of them is a double
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// or both of them are strings
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return is_numeric($expected) && is_numeric($actual) &&
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!(is_double($expected) || is_double($actual)) &&
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!(is_string($expected) && is_string($actual));
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}
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/**
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* Asserts that two values are equal.
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*
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* @param mixed $expected First value to compare
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* @param mixed $actual Second value to compare
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* @param float $delta Allowed numerical distance between two values to consider them equal
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* @param bool $canonicalize Arrays are sorted before comparison when set to true
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* @param bool $ignoreCase Case is ignored when set to true
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*
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* @throws ComparisonFailure
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*/
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public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false)
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{
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if (is_infinite($actual) && is_infinite($expected)) {
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return;
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}
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if ((is_infinite($actual) xor is_infinite($expected)) ||
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(is_nan($actual) or is_nan($expected)) ||
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abs($actual - $expected) > $delta) {
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throw new ComparisonFailure(
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$expected,
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$actual,
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'',
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'',
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false,
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sprintf(
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'Failed asserting that %s matches expected %s.',
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$this->exporter->export($actual),
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$this->exporter->export($expected)
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)
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);
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}
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}
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}
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