Content - e6041e48a665d5df4bbd03d11f30c0c59dfa35aa - cfe2560/longtask-timing/longtask-in-sibling-iframe.html

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Tip revision: d56e1a8e1d3a6661b4c0ba56b67d48338426e3c9 authored by Ms2ger on 02 October 2018, 12:50:48 UTC
Refactor drawimage_svg_image_1.html.

Tip revision: d56e1a8

longtask-in-sibling-iframe.html

<!DOCTYPE HTML>
<meta charset=utf-8>
<title>LongTask Timing: long task in sibling iframe</title>
<body>

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

<script>
  async_test(t => {
    if (typeof PerformanceLongTaskTiming === 'undefined') {
        assert_unreached("Longtasks are not supported.");
        t.done();
    }
    window.addEventListener('message', t.step_func(e => {
      assert_equals(e.data['entryType'], 'longtask');
      assert_equals(e.data['frame-attribution'], 'same-origin');
      assert_equals(e.data['task-attribution'], 'script');
      assert_equals(e.data['containerId'], 'longtask-iframe-id');
      assert_equals(e.data['containerName'], 'longtask-iframe-name');
      assert_equals(e.data['containerSrc'], 'resources/subframe-with-longtask.html');
      t.done();
    }));
    const observingFrame = document.createElement('iframe');
    observingFrame.id = 'observing-iframe-id';
    observingFrame.name = 'observing-iframe-name';
    document.body.appendChild(observingFrame);
    observingFrame.src = 'resources/subframe-observing-longtask.html'

    observingFrame.onload = () => {
      const longtaskFrame = document.createElement('iframe');
      longtaskFrame.id = 'longtask-iframe-id';
      longtaskFrame.name = 'longtask-iframe-name';
      document.body.appendChild(longtaskFrame);
      longtaskFrame.src = 'resources/subframe-with-longtask.html'
    };
}, 'Performance longtask entries are observable in sibling iframe.');
</script>
</body>

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