* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace SebastianBergmann\Comparator; use function is_bool; use function is_object; use function is_scalar; use function is_string; use function mb_strtolower; use function method_exists; use function sprintf; use SebastianBergmann\Exporter\Exporter; /** * Compares scalar or NULL values for equality. */ class ScalarComparator extends Comparator { public function accepts(mixed $expected, mixed $actual): bool { return ((is_scalar($expected) xor null === $expected) && (is_scalar($actual) xor null === $actual)) || // allow comparison between strings and objects featuring __toString() (is_string($expected) && is_object($actual) && method_exists($actual, '__toString')) || (is_object($expected) && method_exists($expected, '__toString') && is_string($actual)); } /** * @throws ComparisonFailure */ public function assertEquals(mixed $expected, mixed $actual, float $delta = 0.0, bool $canonicalize = false, bool $ignoreCase = false): void { $expectedToCompare = $expected; $actualToCompare = $actual; $exporter = new Exporter; // always compare as strings to avoid strange behaviour // otherwise 0 == 'Foobar' if ((is_string($expected) && !is_bool($actual)) || (is_string($actual) && !is_bool($expected))) { $expectedToCompare = @(string) $expectedToCompare; $actualToCompare = @(string) $actualToCompare; if ($ignoreCase) { $expectedToCompare = mb_strtolower($expectedToCompare, 'UTF-8'); $actualToCompare = mb_strtolower($actualToCompare, 'UTF-8'); } } if ($expectedToCompare !== $actualToCompare && is_string($expected) && is_string($actual)) { throw new ComparisonFailure( $expected, $actual, $exporter->export($expected), $exporter->export($actual), 'Failed asserting that two strings are equal.', ); } if ($expectedToCompare != $actualToCompare) { throw new ComparisonFailure( $expected, $actual, // no diff is required '', '', sprintf( 'Failed asserting that %s matches expected %s.', $exporter->export($actual), $exporter->export($expected), ), ); } } }