| <!doctype HTML> |
| <html> |
| <meta charset="utf8"> |
| <title>Display Locking: commit in beforeactivate</title> |
| <link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org"> |
| <link rel="help" href="https://github.com/WICG/display-locking"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../resources/utils.js"></script> |
| |
| <style> |
| div { |
| contain: style layout; |
| } |
| </style> |
| <div id="target"></div> |
| |
| <script> |
| 'use strict'; |
| |
| async_test((t) => { |
| async function commit(target) { |
| setVisible(target); |
| t.done(); |
| } |
| |
| async function runTest() { |
| const target = document.getElementById("target"); |
| await setInvisibleActivatable(target); |
| t.step(() => assert_true(target.displayLock.locked)); |
| |
| target.addEventListener("beforeactivate", () => commit(target)); |
| target.scrollIntoView(); |
| } |
| |
| window.onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest)); |
| }, "Commit in beforeactivate"); |
| </script> |
