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Diffstat (limited to 'vendor/phpunit/phpunit/src/Framework/Constraint/Equality/IsEqualWithDelta.php')
-rw-r--r-- | vendor/phpunit/phpunit/src/Framework/Constraint/Equality/IsEqualWithDelta.php | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/vendor/phpunit/phpunit/src/Framework/Constraint/Equality/IsEqualWithDelta.php b/vendor/phpunit/phpunit/src/Framework/Constraint/Equality/IsEqualWithDelta.php new file mode 100644 index 000000000..0370b5118 --- /dev/null +++ b/vendor/phpunit/phpunit/src/Framework/Constraint/Equality/IsEqualWithDelta.php @@ -0,0 +1,100 @@ +<?php declare(strict_types=1); +/* + * This file is part of PHPUnit. + * + * (c) Sebastian Bergmann <[email protected]> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ +namespace PHPUnit\Framework\Constraint; + +use function sprintf; +use function trim; +use PHPUnit\Framework\ExpectationFailedException; +use SebastianBergmann\Comparator\ComparisonFailure; +use SebastianBergmann\Comparator\Factory as ComparatorFactory; + +/** + * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit + */ +final class IsEqualWithDelta extends Constraint +{ + /** + * @var mixed + */ + private $value; + + /** + * @var float + */ + private $delta; + + public function __construct($value, float $delta) + { + $this->value = $value; + $this->delta = $delta; + } + + /** + * 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 $returnResult is true, the result of the evaluation is returned as + * a boolean value instead: true in case of success, false in case of a + * failure. + * + * @throws ExpectationFailedException + */ + public function evaluate($other, string $description = '', bool $returnResult = false): ?bool + { + // If $this->value and $other are identical, they are also equal. + // This is the most common path and will allow us to skip + // initialization of all the comparators. + if ($this->value === $other) { + return true; + } + + $comparatorFactory = ComparatorFactory::getInstance(); + + try { + $comparator = $comparatorFactory->getComparatorFor( + $this->value, + $other + ); + + $comparator->assertEquals( + $this->value, + $other, + $this->delta + ); + } catch (ComparisonFailure $f) { + if ($returnResult) { + return false; + } + + throw new ExpectationFailedException( + trim($description . "\n" . $f->getMessage()), + $f + ); + } + + return true; + } + + /** + * Returns a string representation of the constraint. + * + * @throws \SebastianBergmann\RecursionContext\InvalidArgumentException + */ + public function toString(): string + { + return sprintf( + 'is equal to %s with delta <%F>>', + $this->exporter()->export($this->value), + $this->delta + ); + } +} |