| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| body { |
| height: 2500px; |
| } |
| |
| .scroller { |
| border: 1px solid black; |
| } |
| |
| .outer.scroller { |
| width: 500px; |
| height: 300px; |
| overflow: auto; |
| } |
| |
| .inner.scroller { |
| width: 400px; |
| height: 250px; |
| overflow-x: hidden; |
| overflow-y: auto; |
| margin: 10px; |
| } |
| |
| .contents { |
| height: 300%; |
| width: 300%; |
| } |
| |
| .wide { |
| width: 300%; |
| height: 10px; |
| background-color: gray; |
| } |
| |
| </style> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script src="../../../resources/ui-helper.js"></script> |
| <script> |
| jsTestIsAsync = true; |
| |
| let innerScroller; |
| let outerScroller; |
| |
| function checkForScroll() |
| { |
| innerScroller = document.querySelector('.inner.scroller'); |
| outerScroller = document.querySelector('.outer.scroller'); |
| |
| shouldBe('innerScroller.scrollLeft', '0'); |
| shouldBe('innerScroller.scrollTop', '0'); |
| |
| shouldBeTrue('outerScroller.scrollLeft > 0'); |
| shouldBe('outerScroller.scrollTop', '0'); |
| |
| finishJSTest(); |
| } |
| |
| async function scrollTest() |
| { |
| eventSender.mouseMoveTo(100, 100); |
| |
| // Sideways scroll. |
| eventSender.monitorWheelEvents(); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(-1, 0, 'began', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(-10, 0, 'changed', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'ended', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(-10, 0, 'none', 'begin'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(-10, 0, 'none', 'continue'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'none', 'end'); |
| await UIHelper.waitForScrollCompletion(); |
| |
| checkForScroll(); |
| } |
| |
| function setupTopLevel() |
| { |
| description("Tests that sieways scrolling in an overflow-x:hidden scroller scrolls the enclosing scroller"); |
| if (window.eventSender) { |
| setTimeout(scrollTest, 0); |
| return; |
| } |
| |
| finishJSTest(); |
| } |
| |
| window.addEventListener('load', () => { |
| setupTopLevel(); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div class="outer scroller"> |
| <div class="inner scroller"> |
| <div class="contents"></div> |
| </div> |
| <div class="wide"></div> |
| </div> |
| <div id="console"></div> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
