| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .tall { |
| height: 5000px; |
| width: 10px; |
| background-image: repeating-linear-gradient(white, silver 250px); |
| } |
| </style> |
| <script src="../../../resources/ui-helper.js"></script> |
| <script src="../../../resources/js-test.js"></script> |
| <script> |
| jsTestIsAsync = true; |
| |
| let scrollEventCount = 0; |
| |
| async function runTest() |
| { |
| window.addEventListener('scroll', function(e) { |
| ++scrollEventCount; |
| }, false); |
| |
| window.scrollTo({ top: 500, behavior: 'smooth'}); |
| await UIHelper.renderingUpdate(); |
| |
| shouldBeTrue('window.scrollY < 500'); |
| |
| await UIHelper.waitForTargetScrollAnimationToSettle(window); |
| |
| shouldBeTrue('scrollEventCount > 1'); |
| finishJSTest(); |
| } |
| |
| window.addEventListener('load', () => { |
| setTimeout(runTest, 0); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div class="tall"></div> |
| <div id="console"></div> |
| </body> |
| </html> |
