| <!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] --> |
| <html> |
| <head> |
| <style> |
| body { |
| height: 2000px; |
| width: 200%; |
| } |
| |
| .scroller { |
| height: 500px; |
| width: 400px; |
| border: 1px solid black; |
| overflow: auto; |
| } |
| |
| .content { |
| width: 200%; |
| height: 500%; |
| } |
| </style> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script src="../../../resources/ui-helper.js"></script> |
| <script> |
| var jsTestIsAsync = true; |
| |
| let scroller; |
| async function testEventSequence() |
| { |
| const wheelEventSquence = { |
| "events" : [ |
| { |
| type : "wheel", |
| viewX : 100, |
| viewY : 100, |
| deltaY : -10, |
| phase : "began" |
| }, |
| { |
| type : "wheel", |
| deltaY : -100, |
| phase : "changed" |
| }, |
| { |
| type : "wheel", |
| phase : "ended" |
| }, |
| { |
| type : "wheel", |
| deltaY : -100, |
| momentumPhase : "began" |
| }, |
| { |
| type : "wheel", |
| deltaY : -80, |
| momentumPhase : "changed" |
| }, |
| { |
| type : "wheel", |
| momentumPhase : "ended" |
| } |
| ] |
| }; |
| |
| await UIHelper.mouseWheelSequence(wheelEventSquence); |
| shouldBe('window.scrollY', '0'); |
| scroller = document.querySelector('.scroller'); |
| // Make sure we scrolled some non-trivial amount. |
| shouldBeTrue('scroller.scrollTop > 200'); |
| } |
| |
| async function scrollTest() |
| { |
| await testEventSequence(); |
| finishJSTest(); |
| } |
| |
| window.addEventListener('load', () => { |
| setTimeout(scrollTest, 0); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div class="scroller"> |
| <div class="content"></div> |
| </div> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
