callback-invoked.html

mozilla-central/testing/web-platform/tests/html/webappapis/animation-frames/callback-invoked.html

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Test Info:

This WPT test may be referenced by the following Test IDs:
- /html/webappapis/animation-frames/callback-invoked.html - WPT Dashboard Interop Dashboard

<!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) {

        assert_false(document.hidden, "document.hidden must exist and be false to run this test properly");

        window.requestAnimationFrame(t.step_func_done());

      }, "requestAnimationFrame callback is invoked at least once before the timeout");

    </script>

  </body>

</html>