| <!doctype HTML> |
| <html> |
| <meta charset="utf8"> |
| <title>Display Locking: locked attribute</title> |
| <link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org"> |
| <link rel="help" href="https://github.com/WICG/display-locking"> |
| |
| <div id="container"></div> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/utils.js"></script> |
| |
| <script> |
| async_test((t) => { |
| async function runTest() { |
| const container = document.getElementById("container"); |
| const acquire_promise = setInvisible(container); |
| t.step(() => assert_equals(container.renderSubtree, "invisible", "context before acquire finishes is locked")); |
| |
| await acquire_promise; |
| t.step(() => assert_equals(container.renderSubtree, "invisible", "context after acquire finishes is locked")); |
| |
| const update_promise = container.updateRendering(); |
| t.step(() => assert_equals(container.renderSubtree, "invisible", "context during update is locked")); |
| |
| await update_promise; |
| t.step(() => assert_equals(container.renderSubtree, "invisible", "context after update is locked")); |
| |
| const commit_promise = setVisible(container); |
| t.step(() => assert_equals(container.renderSubtree, "", "context during commit is unlocked")); |
| |
| await commit_promise; |
| t.step(() => assert_equals(container.renderSubtree, "", "context after commit is unlocked")); |
| |
| t.done(); |
| } |
| |
| window.onload = function() { |
| requestAnimationFrame(() => requestAnimationFrame(runTest)); |
| }; |
| }, "locked attribute"); |
| </script> |
| </html> |
