| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="../../../resources/js-test.js"></script> |
| <script> |
| |
| description('This tests disconnecting a MutationObserver while a mutation record is enqueued. WebKit should not crash.'); |
| |
| if (!window.GCController) |
| testFailed('This test requires GCController'); |
| else { |
| jsTestIsAsync = true; |
| |
| var observer = new MutationObserver(function() {}); |
| |
| var div = document.createElement('div'); |
| document.body.appendChild(div); |
| |
| observer.observe(div, {childList: true}); |
| |
| var script = document.createElement('script'); |
| script.textContent = 'disconnectObserver()'; |
| |
| var child = document.createElement('div'); |
| child.appendChild(script); |
| div.appendChild(child); |
| |
| function disconnectObserver() { |
| observer.disconnect(); |
| observer = null; |
| GCController.collect(); |
| observer = new MutationObserver(function() {}); |
| } |
| |
| window.onload = () => { |
| testPassed('WebKit did not crash'); |
| finishJSTest(); |
| } |
| } |
| |
| var successfullyParsed = true; |
| |
| </script> |
| </body> |
| </html> |
