| <!doctype html> |
| <meta charset="utf-8"> |
| <title>CSS Overflow Test: ::scroll-button() activation with column scroll markers</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> |
| * { |
| margin: 0; |
| padding: 0; |
| } |
| |
| #scroller { |
| width: 600px; |
| height: 300px; |
| overflow: auto; |
| columns: 1; |
| gap: 0; |
| column-fill: auto; |
| scroll-marker-group: after; |
| white-space: nowrap; |
| } |
| |
| #scroller div { |
| background: green; |
| display: inline-block; |
| width: 600px; |
| height: 270px; |
| } |
| |
| #scroller :first-child { |
| background: purple; |
| } |
| |
| #scroller::scroll-marker-group { |
| border: 3px solid black; |
| padding: 5px; |
| display: flex; |
| height: 20px; |
| width: 40px; |
| } |
| |
| #scroller::scroll-button(right) { |
| content: ">"; |
| background: blue; |
| display: flex; |
| height: 20px; |
| width: 20px; |
| top: 0px; |
| left: 0px; |
| position: absolute; |
| z-index: 99; |
| } |
| |
| #scroller::column::scroll-marker { |
| content: ""; |
| width: 10px; |
| height: 10px; |
| background-color: blue; |
| border-radius: 100%; |
| display: inline-block; |
| } |
| </style> |
| <div id="scroller"> |
| <div></div> |
| <br> |
| <div></div> |
| </div> |
| <script> |
| /* |
| Double click as recommended scroll amount is 85% of the page, so |
| to make sure all browsers reach the end. |
| */ |
| promise_test(async t => { |
| actions_promise = new test_driver.Actions() |
| .pointerMove(5, 5) |
| .pointerDown() |
| .pointerUp() |
| .pointerDown() |
| .pointerUp() |
| .send(); |
| await actions_promise; |
| assert_equals(scroller.scrollLeft, 600); |
| }); |
| </script> |
