* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace SebastianBergmann\Comparator; use function abs; use function is_float; use function is_infinite; use function is_nan; use function is_numeric; use function is_string; use function sprintf; use SebastianBergmann\Exporter\Exporter; final class NumericComparator extends ScalarComparator { public function accepts(mixed $expected, mixed $actual): bool { // all numerical values, but not if both of them are strings return is_numeric($expected) && is_numeric($actual) && !(is_string($expected) && is_string($actual)); } /** * @throws ComparisonFailure */ public function assertEquals(mixed $expected, mixed $actual, float $delta = 0.0, bool $canonicalize = false, bool $ignoreCase = false): void { if ($this->isInfinite($actual) && $this->isInfinite($expected)) { return; } if (($this->isInfinite($actual) xor $this->isInfinite($expected)) || ($this->isNan($actual) || $this->isNan($expected)) || abs($actual - $expected) > $delta) { $exporter = new Exporter; throw new ComparisonFailure( $expected, $actual, '', '', sprintf( 'Failed asserting that %s matches expected %s.', $exporter->export($actual), $exporter->export($expected), ), ); } } private function isInfinite(mixed $value): bool { return is_float($value) && is_infinite($value); } private function isNan(mixed $value): bool { return is_float($value) && is_nan($value); } }