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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/element-timing/observe-shadow-text.html
parentInitial commit. (diff)
downloadfirefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz
firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>Element Timing: do not observe text in shadow tree</title>
+<style>
+body {
+ margin: 0;
+}
+</style>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/element-timing-helpers.js"></script>
+<div id='target'></div>
+<script>
+ async_test(function (t) {
+ assert_implements(window.PerformanceElementTiming, "PerformanceElementTiming is not implemented");
+ const observer = new PerformanceObserver(
+ t.step_func_done(function(entryList) {
+ assert_unreached('Should not observe text elements in shadow trees!');
+ })
+ );
+ observer.observe({entryTypes: ['element']});
+ // We add the text during onload to be sure that the observer is registered
+ // in time for it to observe the element timing.
+ window.onload = () => {
+ // Add text of width equal to 100 and height equal to 100.
+ const text = document.createElement('p');
+ text.innerHTML = 'Text';
+ text.setAttribute('elementtiming', 'my_text');
+ const shadowRoot = document.getElementById('target').attachShadow({mode: 'open'});
+ shadowRoot.appendChild(text);
+ t.step_timeout(() => {
+ // Assume entry was not dispatched, so test passes.
+ t.done();
+ }, 500);
+ };
+ }, 'Text in shadow tree with elementtiming attribute is not observable.');
+</script>