| <!DOCTYPE html> |
| <link rel="author" href="mailto:masonf@chromium.org"> |
| <link rel="help" href="https://issues.chromium.org/issues/324112201"> |
| <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> |
| |
| <div id=container style="border:1px solid red; width: 100px;"> |
| <template shadowrootmode=open shadowrootdelegatesfocus> |
| <slot></slot> |
| </template> |
| |
| <a id=anchor href="#heading">anchor</a> |
| <div style="height:2000px"></div> |
| <h1 id=heading>Heading</h1> |
| </div> |
| |
| <script> |
| promise_test(async (t) => { |
| t.add_cleanup(() => container.remove()); |
| let scrolled = new Promise(resolve => { |
| document.addEventListener('scrollend',resolve,{once:true}); |
| }) |
| await test_driver.click(anchor); |
| await scrolled; |
| |
| scrolled = false; |
| document.addEventListener('scroll',() => { |
| scrolled = true; |
| }); |
| await test_driver.click(heading); |
| await new Promise(resolve => t.step_timeout(resolve, 500)); |
| assert_false(scrolled,'The document should not scroll'); |
| },'delegatesFocus shouldn\'t cause extra focus steps'); |
| </script> |
