| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <html class="reftest-wait"> |
| <title>CSS Overflow: ::scroll-marker with ::scroll-marker-group on root element doesn't propagate scrolling</title> |
| <link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-marker-pseudo"> |
| <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> |
| <script src="/dom/events/scrolling/scroll_support.js"></script> |
| <style> |
| body { |
| margin: 0; |
| } |
| |
| #container { |
| overflow: auto; |
| height: 600px; |
| position: relative; |
| } |
| |
| iframe { |
| width: 600px; |
| height: 400px; |
| position: absolute; |
| top: 500px; |
| border: 2px solid black; |
| } |
| </style> |
| <div id="container"> |
| <iframe id="target" onload="run_test()" src="resources/root-scroll-marker-activation-iframe.html"></iframe> |
| </div> |
| <script> |
| function run_test() { |
| promise_test(async t => { |
| const iframe = document.getElementById("target"); |
| const container = document.getElementById("container"); |
| const target = iframe.contentWindow; |
| const scrollEndPromise = waitForScrollEndFallbackToDelayWithoutScrollEvent(target); |
| await new test_driver.Actions() |
| .pointerMove(140, 510) |
| .pointerDown() |
| .pointerUp() |
| .send(); |
| await scrollEndPromise; |
| assert_equals(container.scrollTop, 0, "scrolling is not propagated from iframe to the main frame"); |
| assert_greater_than(target.scrollY, 0, "scroll marker activation scrolls iframe"); |
| document.documentElement.classList.remove("reftest-wait"); |
| }); |
| } |
| </script> |
| </html> |
