| <!doctype html> |
| <meta charset="utf-8"> |
| <title>CSS Test: ::scroll-button() activation without scroller shouldn't crash</title> |
| <link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-buttons"> |
| <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> |
| div::scroll-button(inline-start) { |
| content: ""; |
| height: 100px; |
| width: 100px; |
| } |
| </style> |
| <div></div> |
| <script> |
| promise_test(async t => { |
| await new test_driver.Actions() |
| .pointerMove(50, 50) |
| .pointerDown() |
| .pointerUp() |
| .pointerDown() |
| .pointerUp() |
| .send(); |
| const kTab = '\uE004'; |
| const kEnter = '\uE007'; |
| await new test_driver.Actions() |
| .keyDown(kTab) |
| .keyUp(kTab) |
| .keyDown(kEnter) |
| .keyUp(kEnter) |
| .send(); |
| }); |
| </script> |
