| <!doctype html> |
| <html> |
| <head> |
| <title>requestAnimationFrame must be triggered once</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="help" href="https://w3c.github.io/web-performance/specs/RequestAnimationFrame/Overview.html#dom-windowanimationtiming-requestanimationframe"/> |
| </head> |
| <body> |
| <div id="log"></div> |
| <script> |
| async_test(function (t) { |
| t.step(function() { |
| assert_false(document.hidden, "document.hidden must be exist and be false to run this test properly"); |
| }); |
| window.requestAnimationFrame(function () { |
| t.step(function() { assert_true(true); t.done(); }); |
| }); |
| }, "requestAnimationFrame callback is invoked at least once before the timeout"); |
| </script> |
| </body> |
| </html> |
