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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/spin-eventloop-not-longtask.html
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/testing/web-platform/tests/longtask-timing/spin-eventloop-not-longtask.html b/testing/web-platform/tests/longtask-timing/spin-eventloop-not-longtask.html
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+++ b/testing/web-platform/tests/longtask-timing/spin-eventloop-not-longtask.html
@@ -0,0 +1,25 @@
+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>LongTask Timing: synchronous XHR</title>
+<body>
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/utils.js"></script>
+<link rel="stylesheet" href="/resource-timing/resources/delay-css.py?delay=1000" />
+<h1>Long Task: Spin event loop</h1>
+<div id="log"></div>
+<script>
+setup(() => assert_implements(window.PerformanceLongTaskTiming, 'Longtasks are not supported.'));
+
+promise_test(async t => {
+ const didReceiveLongTask = false;
+ new PerformanceObserver(() => {
+ didReceiveLongTask = true;
+ }).observe({entryTypes: ['longtask']});
+
+ await new Promise(resolve => window.addEventListener('load', resolve));
+ assert_false(didReceiveLongTask);
+}, 'Waiting for load event (spinning an event loop), is not a longtask');
+</script>
+</body>