| <!DOCTYPE html> |
| <script src="../../../../resources/testharness.js"></script> |
| <script src="../../../../resources/testharnessreport.js"></script> |
| <script src="../../../../resources/gesture-util.js"></script> |
| <style> |
| ::-webkit-scrollbar { |
| background-color: #ccc; |
| /* fixed size for consistent touch adjustment behavior across platforms */ |
| width: 15px; |
| } |
| |
| ::-webkit-scrollbar-button { |
| display: none; |
| } |
| |
| ::-webkit-scrollbar-thumb { |
| background-color: #777; |
| width: 15px; |
| } |
| |
| body { |
| margin: 0; |
| } |
| |
| .large { |
| height: 2000px; |
| width: 600px; |
| } |
| </style> |
| <div class="large"></div> |
| |
| <script type="text/javascript"> |
| promise_test (async () => { |
| assert_greater_than(window.innerWidth - document.body.clientWidth, 5); |
| var scrollbarX = document.body.clientWidth + 5; |
| var scrollbarY = window.innerHeight / 2; // Trying to grab the thumb |
| // Scroll down to ensure we test the difference between content and client |
| // co-ordinate spaces. |
| window.scrollTo(0, 800); |
| assert_equals(window.scrollY, 800); |
| |
| await smoothScroll(20, scrollbarX, scrollbarY, GestureSourceType.TOUCH_INPUT, |
| "up", SPEED_INSTANT); |
| // We don't know exactly how far draging the thumb will scroll. If we end |
| // up scrolling in the wrong direction it probably means hit tests are |
| // passing through the scrollbar and hitting the content. |
| await waitFor( () => { return window.scrollY >= 820;}); |
| await smoothScroll(60, scrollbarX, scrollbarY, GestureSourceType.TOUCH_INPUT, |
| "up", SPEED_INSTANT); |
| await waitFor( () => { return window.scrollY >= 885;}); |
| }, 'This tests scroll gesture events on main frame scroll bars The document ' + |
| 'should be slightly scrolled down if successful.'); |
| </script> |
