| <!DOCTYPE html> |
| <title>CSS Overflow Test: Originating element inertness not applied to ::scroll-marker</title> |
| <link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-markers"> |
| <link rel="help" href="https://drafts.csswg.org/css-ui/#inertness"> |
| <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/11746"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-actions.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| <style> |
| body { margin: 0; } |
| #scroller { |
| width: 100px; |
| height: 100px; |
| overflow-y: scroll; |
| scroll-marker-group: before; |
| } |
| #scroller::scroll-marker-group { |
| height: 100px; |
| } |
| .item { |
| height: 100px; |
| background-color: lime; |
| interactivity: inert; |
| } |
| .item::scroll-marker { |
| content: "X"; |
| display: block; |
| width: 20px; |
| height: 20px; |
| } |
| #filler { |
| height: 400px; |
| } |
| </style> |
| <div id="scroller"> |
| <div class="item"></div> |
| <div id="filler"></div> |
| <div id="target" class="item"></div> |
| </div> |
| <script> |
| promise_test(async t => { |
| await new test_driver.Actions() |
| .pointerMove(10, 30) |
| .pointerDown() |
| .pointerUp() |
| .send(); |
| assert_equals(scroller.scrollTop, 500); |
| }, "::scroll-marker is not inert because its ::scroll-marker-group isn't"); |
| </script> |