test-performance-attributes.sub.html

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This WPT test may be referenced by the following Test IDs:
- /navigation-timing/test-performance-attributes.sub.html - WPT Dashboard Interop Dashboard

<!DOCTYPE HTML>

<html>

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

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

<!-- Use https to ensure secureConnectionStart is nontrivial, if it is supported. -->

<iframe src="https://{{host}}:{{ports[https][0]}}/navigation-timing/resources/performance-attribute-sender.html"></iframe>

<body>

<script>

async_test(function(t) {

  window.addEventListener('message', t.step_func_done(function(event) {

    const connectStart = event.data[0];

    const navigationStart = event.data[1];

    const secureConnectionStart = event.data[2];

    const connectEnd = event.data[3];

    assert_greater_than_equal(connectStart, navigationStart,

      'performance.timing.connectStart >= performance.timing.navigationStart');

    // secureConnectionStart is an optional attribute.

    if (secureConnectionStart == undefined) {

      return;

    assert_greater_than_equal(secureConnectionStart, connectStart,

      'performance.timing.secureConnectionStart >= performance.timing.connectStart');

    assert_greater_than_equal(connectEnd, secureConnectionStart,

      'performance.timing.connectEnd >= performance.timing.secureConnectionStart');

  }));

}, 'Check that performance.timing has reasonable values for secureConnectionStart and other attributes');

</script>

</body>

</html>