| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| body { |
| height: 2000px; |
| width: 200%; |
| } |
| </style> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script src="../../../resources/ui-helper.js"></script> |
| <script> |
| var jsTestIsAsync = true; |
| |
| let sawMomentumEvent = false; |
| let sawFingersDown = false; |
| let scrollEventCount = 0; |
| let scrollEventCountAtMayBegin = 0; |
| |
| async function testEventSequence() |
| { |
| const events = [ |
| { |
| type : "wheel", |
| viewX : 100, |
| viewY : 100, |
| deltaY : -10, |
| phase : "began" |
| }, |
| { |
| type : "wheel", |
| deltaY : -50, |
| phase : "changed" |
| }, |
| { |
| type : "wheel", |
| phase : "ended" |
| }, |
| { |
| type : "wheel", |
| deltaY : -60, |
| momentumPhase : "began" |
| }, |
| { |
| type: "wheel", |
| viewX : 101, // defeat coalescing |
| deltaY : -99, |
| momentumPhase: "changed" |
| }, |
| { |
| type: "wheel", |
| viewX : 102, // defeat coalescing |
| deltaY : -80, |
| momentumPhase: "changed" |
| }, |
| { |
| type : "wheel", |
| momentumPhase : "ended" |
| } |
| ]; |
| |
| await UIHelper.mouseWheelSequence({ events }, { waitForCompletion: false}); |
| await UIHelper.waitForCondition(() => { return sawMomentumEvent }); |
| shouldBeTrue('scrollEventCount > 0'); |
| |
| const fingersDownGesture = [ |
| { |
| type : "wheel", |
| viewX : 100, |
| viewY : 100, |
| phase : "maybegin" |
| } |
| ]; |
| |
| await UIHelper.mouseWheelSequence({ events: fingersDownGesture }, { waitForCompletion: false}); |
| // We can't detect the "mayBegin" via events. so wait for a presentation update to make |
| // sure it got to the main thread. |
| await UIHelper.ensurePresentationUpdate(); |
| |
| scrollEventCountAtMayBegin = scrollEventCount; |
| await UIHelper.renderingUpdate(); |
| await UIHelper.renderingUpdate(); |
| |
| // Make sure no more scroll events fire. |
| shouldBe('scrollEventCount', 'scrollEventCountAtMayBegin'); |
| finishJSTest(); |
| } |
| |
| async function scrollTest() |
| { |
| await testEventSequence(); |
| } |
| |
| window.addEventListener('load', () => { |
| window.addEventListener('wheel', (event) => { |
| if (event.deltaY == 99) { |
| debug('Momentum event reached main thread'); |
| sawMomentumEvent = true; |
| } |
| |
| if (event.deltaY == 12) { |
| debug('Saw the fingers down gesture'); |
| sawFingersDown = true; |
| } |
| // console.log(`wheel ${event.deltaX} ${event.deltaY}`); |
| }, { passive: true }); |
| |
| window.addEventListener('scroll', (event) => { |
| ++scrollEventCount; |
| }); |
| |
| setTimeout(scrollTest, 0); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
