same-dispatch-time.html

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

<!doctype html>

<html>

  <head>

    <title>requestAnimationFrame in queue get the same timestamp</title>

    <script src="/resources/testharness.js"></script>

    <script src="/resources/testharnessreport.js"></script>

    <link rel="help" href="http://w3c.github.io/animation-timing/#dfn-invoke-callbacks-algorithm"/>

  </head>

  <body>

    <div id="log"></div>

    <script>

      async_test(function (t) {

        var a = 0, b = 0;

        /* REASONING:

        * These two methods that will be called with a timestamp. Because

        * they execute right after eachother, they're added to the same

        * queue and SHOULD be timestamped with the same value.

*/

        requestAnimationFrame(t.step_func(function() { a = arguments[0]; }));

        requestAnimationFrame(t.step_func(function() {

          b = arguments[0];

          assert_not_equals(a, 0);

          assert_not_equals(b, 0);

          assert_equals(a, b);

          t.done();

        }));

      }, "requestAnimationFrame will timestamp events in the same queue with the same time");

    </script>

  </body>

</html>