getEntriesByName-sort.html

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This WPT test may be referenced by the following Test IDs:
- /performance-timeline/getEntriesByName-sort.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset=utf-8>

<title>getEntriesByName() returns entries sorted by startTime</title>

<link rel="help" href="https://w3c.github.io/performance-timeline/#dfn-filter-buffer-map-by-name-and-type">

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

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

<body>

<p>Contentful text</p>

<script>

promise_test(async () => {

  assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");

  const fcp = await new Promise(resolve => {

    new PerformanceObserver(list => {

      const [entry] = list.getEntriesByName("first-contentful-paint");

      if (entry) {

        resolve(entry);

    }).observe({type: "paint", buffered: true});

});

  const early = performance.mark("first-contentful-paint", {startTime: 0});

  const late = performance.mark("first-contentful-paint",

                                {startTime: fcp.startTime + 1000});

  assert_array_equals(performance.getEntriesByName("first-contentful-paint"),

                      [early, fcp, late]);

}, "getEntriesByName() sorts the paint entry by startTime");

</script>

</body>