exceptions
1 year ago
ArrayComparator.php
1 year ago
Comparator.php
1 year ago
ComparisonFailure.php
1 year ago
DOMNodeComparator.php
1 year ago
DateTimeComparator.php
1 year ago
DoubleComparator.php
1 year ago
ExceptionComparator.php
1 year ago
Factory.php
1 year ago
MockObjectComparator.php
1 year ago
NumericComparator.php
1 year ago
ObjectComparator.php
1 year ago
ResourceComparator.php
1 year ago
ScalarComparator.php
1 year ago
SplObjectStorageComparator.php
1 year ago
TypeComparator.php
1 year ago
NumericComparator.php
85 lines
| 1 | <?php declare(strict_types=1); |
| 2 | /* |
| 3 | * This file is part of sebastian/comparator. |
| 4 | * |
| 5 | * (c) Sebastian Bergmann <sebastian@phpunit.de> |
| 6 | * |
| 7 | * For the full copyright and license information, please view the LICENSE |
| 8 | * file that was distributed with this source code. |
| 9 | */ |
| 10 | namespace SebastianBergmann\Comparator; |
| 11 | |
| 12 | use function abs; |
| 13 | use function is_float; |
| 14 | use function is_infinite; |
| 15 | use function is_nan; |
| 16 | use function is_numeric; |
| 17 | use function is_string; |
| 18 | use function sprintf; |
| 19 | |
| 20 | /** |
| 21 | * Compares numerical values for equality. |
| 22 | */ |
| 23 | class NumericComparator extends ScalarComparator |
| 24 | { |
| 25 | /** |
| 26 | * Returns whether the comparator can compare two values. |
| 27 | * |
| 28 | * @param mixed $expected The first value to compare |
| 29 | * @param mixed $actual The second value to compare |
| 30 | * |
| 31 | * @return bool |
| 32 | */ |
| 33 | public function accepts($expected, $actual) |
| 34 | { |
| 35 | // all numerical values, but not if both of them are strings |
| 36 | return is_numeric($expected) && is_numeric($actual) && |
| 37 | !(is_string($expected) && is_string($actual)); |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * Asserts that two values are equal. |
| 42 | * |
| 43 | * @param mixed $expected First value to compare |
| 44 | * @param mixed $actual Second value to compare |
| 45 | * @param float $delta Allowed numerical distance between two values to consider them equal |
| 46 | * @param bool $canonicalize Arrays are sorted before comparison when set to true |
| 47 | * @param bool $ignoreCase Case is ignored when set to true |
| 48 | * |
| 49 | * @throws ComparisonFailure |
| 50 | */ |
| 51 | public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false)/*: void*/ |
| 52 | { |
| 53 | if ($this->isInfinite($actual) && $this->isInfinite($expected)) { |
| 54 | return; |
| 55 | } |
| 56 | |
| 57 | if (($this->isInfinite($actual) xor $this->isInfinite($expected)) || |
| 58 | ($this->isNan($actual) || $this->isNan($expected)) || |
| 59 | abs($actual - $expected) > $delta) { |
| 60 | throw new ComparisonFailure( |
| 61 | $expected, |
| 62 | $actual, |
| 63 | '', |
| 64 | '', |
| 65 | false, |
| 66 | sprintf( |
| 67 | 'Failed asserting that %s matches expected %s.', |
| 68 | $this->exporter->export($actual), |
| 69 | $this->exporter->export($expected) |
| 70 | ) |
| 71 | ); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | private function isInfinite($value): bool |
| 76 | { |
| 77 | return is_float($value) && is_infinite($value); |
| 78 | } |
| 79 | |
| 80 | private function isNan($value): bool |
| 81 | { |
| 82 | return is_float($value) && is_nan($value); |
| 83 | } |
| 84 | } |
| 85 |