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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/element-timing/cross-origin-element.sub.html
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/element-timing/cross-origin-element.sub.html')
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diff --git a/testing/web-platform/tests/element-timing/cross-origin-element.sub.html b/testing/web-platform/tests/element-timing/cross-origin-element.sub.html
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+++ b/testing/web-platform/tests/element-timing/cross-origin-element.sub.html
@@ -0,0 +1,45 @@
+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>Element Timing: observe cross-origin images but without renderTime</title>
+<body>
+<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>
+<script>
+ async_test((t) => {
+ assert_implements(window.PerformanceElementTiming, "PerformanceElementTiming is not implemented");
+ let img;
+ const pathname = 'http://{{domains[www]}}:{{ports[http][1]}}'
+ + '/element-timing/resources/square100.png';
+ const observer = new PerformanceObserver(
+ t.step_func_done((entryList) => {
+ assert_equals(entryList.getEntries().length, 1);
+ const entry = entryList.getEntries()[0];
+ checkElement(entry, pathname, 'my_image', 'the_id', 0, img);
+ assert_equals(entry.renderTime, 0,
+ 'The renderTime of a cross-origin image should be 0.');
+ checkRect(entry, [0, 100, 0, 100]);
+ checkNaturalSize(entry, 100, 100);
+ })
+ );
+ observer.observe({entryTypes: ['element']});
+ // We add the image during onload to be sure that the observer is registered
+ // in time for it to observe the element timing.
+ // TODO(npm): change observer to use buffered flag.
+ window.onload = t.step_func(() => {
+ // Add a cross origin image resource.
+ img = document.createElement('img');
+ img.src = pathname;
+ img.setAttribute('elementtiming', 'my_image');
+ img.setAttribute('id', 'the_id');
+ document.body.appendChild(img);
+ });
+ }, 'Cross-origin image element is NOT observable.');
+</script>
+
+</body>