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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/image-with-css-scale.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/image-with-css-scale.html')
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1 files changed, 42 insertions, 0 deletions
diff --git a/testing/web-platform/tests/element-timing/image-with-css-scale.html b/testing/web-platform/tests/element-timing/image-with-css-scale.html
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+++ b/testing/web-platform/tests/element-timing/image-with-css-scale.html
@@ -0,0 +1,42 @@
+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>Element Timing: image with scaling.</title>
+<head>
+<style>
+/* The margin of 50px allows the rect to be fully shown when the div is scaled. */
+body {
+ margin: 50px;
+}
+.my_div {
+ width: 100px;
+ height: 50px;
+ transform: scale(2);
+}
+</style>
+</head>
+<body>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/element-timing-helpers.js"></script>
+<script>
+ const 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 + '/images/black-rectangle.png';
+ checkElement(entry, pathname, 'rectangle', 'rect_id', beforeRender,
+ document.getElementById('rect_id'));
+ checkRect(entry, [0, 200, 25, 125]);
+ checkNaturalSize(entry, 100, 50);
+ })
+ );
+ observer.observe({entryTypes: ['element']});
+ }, 'Image intersectionRect is affected by scaling, but not its intrinsic size.');
+</script>
+<div class="my_div" id='div_id'>
+ <img src="/images/black-rectangle.png" elementtiming="rectangle" id='rect_id'/>
+</div>
+</body>