| <!DOCTYPE html> <!-- webkit-test-runner [ internal:AsyncOverflowScrollingEnabled=true ] --> |
| <html> |
| <head> |
| <style> |
| .container { |
| width: 150px; |
| height: 400px; |
| border: 1px solid black; |
| padding: 10px; |
| margin: 20px; |
| overflow-x: scroll; |
| scroll-snap-type: y mandatory; |
| } |
| |
| .box { |
| margin: 20px; |
| width: 100px; |
| height: 100px; |
| scroll-snap-align: start; |
| background-color: blue; |
| } |
| </style> |
| <script src="../../../resources/js-test.js"></script> |
| <script src="../../../resources/ui-helper.js"></script> |
| <script> |
| jsTestIsAsync = true; |
| |
| let container = undefined; |
| async function runTest() |
| { |
| let firstScroll = true; |
| container = document.getElementById('container'); |
| container.addEventListener('scroll', () => { |
| if (firstScroll) { |
| shouldBeTrue('container.scrollTop > 0'); |
| shouldBeTrue('window.internals.isScrollSnapInProgress(container)'); |
| } |
| firstScroll = false; |
| }); |
| |
| debug('Scroll-snap offsets for \'container\': ' + window.internals.scrollSnapOffsets(container)); |
| |
| debug('Initial state:'); |
| shouldBeFalse('window.internals.isScrollSnapInProgress(container)'); |
| |
| debug(''); |
| debug('Sending wheel events'); |
| await UIHelper.mouseWheelScrollAt(100, 100); |
| |
| finishJSTest(); |
| } |
| |
| window.addEventListener('load', () => { |
| if (window.testRunner) |
| setTimeout(runTest, 0); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div id="container" class="container"> |
| <div class="contents"> |
| <div class="box"></div> |
| <div class="box"></div> |
| <div class="box"></div> |
| <div class="box"></div> |
| <div class="box"></div> |
| <div class="box"></div> |
| <div class="box"></div> |
| <div class="box"></div> |
| </div> |
| </div> |
| <div id="console"></div> |
| </body> |
| </html> |
