| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| body { |
| height: 5000px; |
| } |
| |
| #target { |
| width: 200px; |
| height: 1000px; |
| background-color: silver; |
| margin: 20px; |
| } |
| </style> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script src="../../../resources/ui-helper.js"></script> |
| <script> |
| var jsTestIsAsync = true; |
| |
| let wheelEventCount = 0; |
| |
| let firstWasCancelable; |
| let becameNonCancelable; |
| |
| async function testScroll() |
| { |
| if (!eventSender) { |
| finishJSTest(); |
| return; |
| } |
| eventSender.monitorWheelEvents(); |
| eventSender.mouseMoveTo(100, 100); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, "began", "none"); |
| await UIHelper.renderingUpdate(); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -5, "changed", "none"); |
| await UIHelper.renderingUpdate(); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -5, "changed", "none"); |
| await UIHelper.renderingUpdate(); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -5, "changed", "none"); |
| await UIHelper.renderingUpdate(); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -5, "changed", "none"); |
| await UIHelper.renderingUpdate(); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, "ended", "none"); |
| |
| await UIHelper.waitForScrollCompletion(); |
| |
| shouldBeTrue('firstWasCancelable'); |
| shouldBeTrue('becameNonCancelable'); |
| |
| finishJSTest(); |
| } |
| |
| window.addEventListener('load', () => { |
| description('Tests that events in the gesture are non-cancelable if preventDefault was not called on the first event'); |
| let target = document.getElementById('target'); |
| |
| target.addEventListener('wheel', (event) => { |
| if (wheelEventCount == 0) { |
| firstWasCancelable = event.cancelable; |
| } else { |
| // Wait for the first non-cancelable event and check that all subsequent events are non-cancelable. |
| if (becameNonCancelable && event.cancelable) |
| testFailed('Should not see cancelable event after non-cancelable event') |
| |
| if (!event.cancelable) |
| becameNonCancelable = true; |
| } |
| ++wheelEventCount; |
| }); |
| |
| setTimeout(testScroll, 0); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div id="target"></div> |
| <div id="console"></div> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
