| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| <title>old title</title> |
| </head> |
| <body> |
| <script> |
| var originalDescriptor = Object.getOwnPropertyDescriptor(Document.prototype, "title"); |
| |
| shouldBeEqualToString('document.title', 'old title'); |
| |
| evalAndLog('Object.defineProperty(Document.prototype, "title", { value: 5 })'); |
| var newDescriptor = Object.getOwnPropertyDescriptor(Document.prototype, "title"); |
| |
| shouldNotBe('originalDescriptor.value', 'newDescriptor.value'); |
| shouldBe('document.title', '5'); |
| |
| Object.defineProperty(Document.prototype, "title", originalDescriptor); |
| shouldBeEqualToString('document.title', 'old title'); |
| |
| evalAndLog('document.title = "new title"'); |
| shouldBeEqualToString('document.title', 'new title'); |
| </script> |
| </body> |
| <script src="../../resources/js-test-post.js"></script> |
| </html> |
