| <!DOCTYPE html> |
| <body> |
| <script src="../../../resources/js-test.js"></script> |
| <script> |
| description('Test the constructor of WebKitMutationObserver'); |
| |
| shouldBeNonNull('window.WebKitMutationObserver'); |
| shouldBeEqualToString('typeof WebKitMutationObserver.prototype.observe', 'function'); |
| shouldBeEqualToString('typeof WebKitMutationObserver.prototype.disconnect', 'function'); |
| window.observer = new MutationObserver(function(mutations) { }); |
| shouldBeEqualToString('typeof observer.observe', 'function'); |
| shouldBeEqualToString('typeof observer.disconnect', 'function'); |
| |
| shouldThrow('new MutationObserver({ handleEvent: function() {} })'); |
| shouldThrow('new MutationObserver({})'); |
| shouldThrow('new MutationObserver(42)'); |
| shouldThrow('new MutationObserver("foo")'); |
| </script> |
| </body> |
