$lines assertEquals indent ArrayComparator assertEquals assertEquals setFactory $factory getActual getExpected $identical assertEquals $document normalizeDocument DOMNodeComparator assertEquals DateTimeComparator setTimezone assertEquals DoubleComparator ExceptionComparator self::$instance === null register reset unregister MockObjectComparator $value $value assertEquals NumericComparator is_float($actual) is_float($expected) assertEquals ObjectComparator assertEquals ResourceComparator assertEquals ScalarComparator assertEquals SplObjectStorageComparator assertEquals TypeComparator