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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/background-image-stretched.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: observe larger element with stretched background image</title>
+<body>
+<style>
+body {
+ margin: 0;
+}
+#target {
+ width: 200px;
+ height: 150px;
+ background-image: url('resources/square100.png');
+}
+</style>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/element-timing-helpers.js"></script>
+<script>
+ let beforeRender = performance.now();
+ async_test(function (t) {
+ assert_implements(window.PerformanceElementTiming, "PerformanceElementTiming is not implemented");
+ const observer = new PerformanceObserver(
+ t.step_func_done(function(entryList) {
+ assert_equals(entryList.getEntries().length, 1);
+ const entry = entryList.getEntries()[0];
+ const pathname = window.location.origin + '/element-timing/resources/square100.png';
+ checkElement(entry, pathname, 'my_div', 'target', beforeRender,
+ document.getElementById('target'));
+ // The background image extends to occupy to full size of the div.
+ checkRect(entry, [0, 200, 0, 150]);
+ // The natural size of the square remains unchanged.
+ checkNaturalSize(entry, 100, 100);
+ })
+ );
+ observer.observe({entryTypes: ['element']});
+ }, 'Element with background image shows correct image size.');
+</script>
+<div id='target' elementtiming='my_div'></div>
+</body>