diff options
Diffstat (limited to 'gfx/layers/apz/test/mochitest/helper_scroll_over_scrollbar.html')
| -rw-r--r-- | gfx/layers/apz/test/mochitest/helper_scroll_over_scrollbar.html | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gfx/layers/apz/test/mochitest/helper_scroll_over_scrollbar.html b/gfx/layers/apz/test/mochitest/helper_scroll_over_scrollbar.html new file mode 100644 index 0000000000..b7a8698cf8 --- /dev/null +++ b/gfx/layers/apz/test/mochitest/helper_scroll_over_scrollbar.html @@ -0,0 +1,48 @@ +<head> + <meta name="viewport" content="width=device-width; initial-scale=1.0"> + <title>Wheel-scrolling over scrollbar</title> + <script type="application/javascript" src="apz_test_native_event_utils.js"></script> + <script type="application/javascript" src="apz_test_utils.js"></script> + <script src="/tests/SimpleTest/paint_listener.js"></script> + <script type="application/javascript"> + +async function test() { + var subframe = document.getElementById("scroll"); + + // scroll over the scrollbar, and make sure the subframe scrolls + var scrollPos = subframe.scrollTop; + if (subframe.clientWidth == 200) { + // No scrollbar, abort the test. This can happen e.g. on local macOS runs + // with OS settings to only show scrollbars on trackpad/mouse activity. + ok(false, "No scrollbars found, cannot run this test!"); + return; + } + var scrollbarX = (200 + subframe.clientWidth) / 2; + await promiseNativeWheelAndWaitForScrollEvent(subframe, scrollbarX, 100, + 0, -10); + ok(subframe.scrollTop > scrollPos, "subframe scrolled after wheeling over scrollbar"); +} + +waitUntilApzStable() +.then(test) +.then(subtestDone, subtestFailed); + + </script> + <style> + #scroll { + width: 200px; + height: 200px; + overflow: scroll; + } + #scrolled { + width: 200px; + height: 1000px; /* so the subframe has room to scroll */ + will-change: transform; /* to force active layers */ + } + </style> +</head> +<body> + <div id="scroll"> + <div id="scrolled"></div> + </div> +</body> |