| <!DOCTYPE html> <!-- webkit-test-runner [ internal:AsyncOverflowScrollingEnabled=true ] --> |
| <html> |
| <head> |
| <style> |
| body { |
| height: 1000px; |
| } |
| |
| .scroller { |
| width: 200px; |
| height: 200px; |
| overflow: scroll; |
| border: 1px solid black; |
| } |
| |
| .contents { |
| width: 100%; |
| height: 300%; |
| } |
| |
| </style> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script src="../../../resources/ui-helper.js"></script> |
| <script> |
| jsTestIsAsync = true; |
| |
| var overflow; |
| async function scrollTest() |
| { |
| overflow = document.querySelector('.scroller'); |
| |
| shouldBe('overflow.scrollTop', '0'); |
| shouldBe('window.pageYOffset', '0'); |
| |
| if (!window.eventSender) { |
| finishJSTest(); |
| return; |
| } |
| |
| await UIHelper.mouseWheelScrollAt(100, 100, 0, 0, 0, -20); |
| |
| debug('After scroll'); |
| shouldBe('overflow.scrollTop', '200'); |
| shouldBe('window.pageYOffset', '0'); |
| |
| finishJSTest(); |
| } |
| |
| window.addEventListener('load', () => { |
| description("Tests a gesture with zero delta on the began event doesn't latch on the document"); |
| setTimeout(scrollTest, 0); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div class="scroller"> |
| <div class="contents"></div> |
| </div> |
| <div id="console"></div> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
