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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/longtask-timing/longtask-attributes.html
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>LongTask Timing: validate long task attributes</title>
+<body>
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/utils.js"></script>
+
+<h1>Long Task Attributes</h1>
+<div id="log"></div>
+<script>
+ async_test(function (t) {
+ assert_implements(window.PerformanceLongTaskTiming, 'Longtasks are not supported.');
+ const observer = new PerformanceObserver(
+ t.step_func(function (entryList) {
+ const entries = entryList.getEntries();
+ assert_equals(entries.length, 1,
+ 'Exactly one entry is expected.');
+ const longtask = entries[0];
+ checkLongTaskEntry(longtask);
+ // Assert the TaskAttributionTiming entry in attribution.
+ assert_equals(longtask.attribution.length, 1,
+ 'Exactly one attribution entry is expected');
+ const attribution = longtask.attribution[0];
+ assert_equals(attribution.entryType, 'taskattribution');
+ assert_equals(attribution.name, 'unknown');
+ assert_equals(attribution.duration, 0);
+ assert_equals(attribution.startTime, 0);
+ assert_equals(attribution.containerType, 'window');
+ assert_equals(attribution.containerId, '');
+ assert_equals(attribution.containerName, '');
+ assert_equals(attribution.containerSrc, '');
+ observer.disconnect();
+ t.done();
+ })
+ );
+ observer.observe({entryTypes: ['longtask']});
+
+ window.onload = () => {
+ /* Generate a slow task */
+ const begin = window.performance.now();
+ while (window.performance.now() < begin + 60);
+ };
+}, 'Performance longtask entries are observable.');
+</script>
+
+</body>