| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| #target { |
| width: 200px; |
| height: 200px; |
| background-color: silver; |
| margin: 20px; |
| } |
| |
| #scroller { |
| margin: 20px; |
| width: 200px; |
| height: 200px; |
| border: 1px solid black; |
| overflow: scroll; |
| } |
| |
| .contents { |
| height: 400%; |
| } |
| </style> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script src="../../../resources/ui-helper.js"></script> |
| <script> |
| |
| jsTestIsAsync = true; |
| |
| let windowScrollEventCount = 0; |
| let overflowScrollEventCount = 0; |
| let expectedMinOverflowScrollEventCount = testRunner.isWebKit2 ? 2 : 1; |
| |
| async function testScroll() |
| { |
| shouldBe('windowScrollEventCount', '0'); |
| shouldBe('overflowScrollEventCount', '0'); |
| |
| await UIHelper.mouseWheelScrollAt(100, 100); |
| |
| shouldBe('windowScrollEventCount', '0'); |
| shouldBeTrue('overflowScrollEventCount >= expectedMinOverflowScrollEventCount'); |
| |
| finishJSTest(); |
| } |
| |
| window.addEventListener('load', async () => { |
| let target = document.getElementById('target'); |
| let scroller = document.getElementById('scroller'); |
| |
| window.addEventListener('scroll', () => { |
| ++windowScrollEventCount; |
| }, false); |
| |
| scroller.addEventListener('scroll', () => { |
| ++overflowScrollEventCount; |
| }, false); |
| |
| target.addEventListener('wheel', (event) => { |
| event.preventDefault(); |
| let newWheelEvent = new event.constructor(event.type, event); |
| scroller.dispatchEvent(newWheelEvent); |
| }, false); |
| |
| await testScroll(); |
| |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div id="target"></div> |
| <div id="scroller"> |
| <div class="contents"></div> |
| </div> |
| <div id="console"></div> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |