| <!DOCTYPE html> <!-- webkit-test-runner [ internal:AsyncOverflowScrollingEnabled=true ] --> |
| <html> |
| <head> |
| <style> |
| body { |
| height: 2000px; |
| } |
| select { |
| display: block; |
| font-size: 11pt; |
| margin: 10px; |
| border: 1px solid black; |
| } |
| </style> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script src="../../../resources/ui-helper.js"></script> |
| <script> |
| jsTestIsAsync = true; |
| |
| let select; |
| async function scrollTest() |
| { |
| select = document.getElementsByTagName('select')[0]; |
| |
| select.scrollTop = 90; |
| shouldBe('select.scrollTop', '90'); |
| shouldBe('window.pageYOffset', '0'); |
| |
| if (!window.eventSender) { |
| finishJSTest(); |
| return; |
| } |
| |
| const selectBounds = select.getBoundingClientRect(); |
| const x = selectBounds.left + 10; |
| const y = selectBounds.top + 10; |
| |
| eventSender.monitorWheelEvents(); |
| eventSender.mouseMoveTo(x, y); |
| |
| debug('Scrolling up then down in the select'); |
| // Scroll to the top of the select. |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 1, "began", "none"); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 20, "changed", "none"); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, "ended", "none"); |
| |
| await UIHelper.waitForScrollCompletion(); |
| |
| // Scroll up again to trigger a document bounce. |
| eventSender.monitorWheelEvents({ resetLatching: false }); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 1, "began", "none"); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 20, "changed", "none"); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, "ended", "none"); |
| |
| await UIHelper.waitForScrollCompletion(); |
| |
| // Scroll down. This should scroll the select, not the document. |
| eventSender.monitorWheelEvents({ resetLatching: false }); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -2, "began", "none"); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -20, "changed", "none"); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -20, "changed", "none"); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, "ended", "none"); |
| |
| await UIHelper.waitForScrollCompletion(); |
| |
| shouldBeTrue('select.scrollTop > 0'); |
| shouldBe('window.pageYOffset', '0'); |
| |
| finishJSTest(); |
| } |
| |
| window.addEventListener('load', () => { |
| description("Tests that scrolling over a <select> doesn't latch on the document"); |
| setTimeout(scrollTest, 0); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <select size="5"> |
| <option>January</option> |
| <option>February</option> |
| <option>March</option> |
| <option>April</option> |
| <option>May</option> |
| <option>June</option> |
| <option>July</option> |
| <option>August</option> |
| <option>September</option> |
| <option>October</option> |
| <option>November</option> |
| <option>December</option> |
| </select> |
| <div id="console"></div> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
