| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| </style> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script> |
| </script> |
| </head> |
| <body> |
| |
| <script> |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| description("Tests that detaching a frame with a wheel event handlers doesn't crash."); |
| |
| const maxLoads = 10; |
| var loadCount = 0; |
| |
| function makeFrame() |
| { |
| var frame = document.createElement('iframe'); |
| frame.addEventListener('load', function() { |
| if (window.internals) |
| shouldBe("internals.wheelEventHandlerCount()", "0"); |
| |
| frame.remove(); |
| window.setTimeout(checkFrameRemoved, 0); |
| }); |
| |
| frame.src = 'resources/wheel-event-handler-on-document.html'; |
| addFrameToDocument(frame); |
| } |
| |
| function checkFrameRemoved() |
| { |
| gc(); |
| |
| if (window.internals) |
| shouldBe("internals.wheelEventHandlerCount()", "0"); |
| |
| if (++loadCount == maxLoads) { |
| isSuccessfullyParsed(); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| |
| return; |
| } |
| |
| window.setTimeout(makeFrame, 0); |
| } |
| |
| function addFrameToDocument(frame) |
| { |
| document.body.appendChild(frame); |
| } |
| |
| makeFrame(); |
| </script> |
| </body> |
| </html> |
