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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-data-uri.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-data-uri.html')
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diff --git a/testing/web-platform/tests/element-timing/image-data-uri.html b/testing/web-platform/tests/element-timing/image-data-uri.html
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+++ b/testing/web-platform/tests/element-timing/image-data-uri.html
@@ -0,0 +1,37 @@
+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>Element Timing: observe inline image</title>
+<body>
+<style>
+body {
+ margin: 0;
+}
+#inline_wee {
+ display: block;
+}
+</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];
+ // Only the first characters of the data URI are included in the entry.
+ const uriPrefix = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKAQMAAAC3/F3+AAAABGdBTUEAALGPC/xhBQAAACBjSFJNAA';
+ checkElementWithoutResourceTiming(entry, uriPrefix, 'my_img', 'inline_wee',
+ beforeRender, document.getElementById('inline_wee'));
+ // The image is a red square of length 10.
+ checkRect(entry, [0, 10, 0, 10]);
+ checkNaturalSize(entry, 10, 10);
+ })
+ );
+ observer.observe({entryTypes: ['element']});
+ }, 'Inline image is observable via Element Timing.');
+</script>
+<img elementtiming='my_img' id='inline_wee' src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKAQMAAAC3/F3+AAAABGdBTUEAALGPC/xhBQAAACBjSFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAABlBMVEX/AAD///9BHTQRAAAAAWJLR0QB/wIt3gAAAAtJREFUCNdjYMAHAAAeAAFuhUcyAAAAJXRFWHRkYXRlOmNyZWF0ZQAyMDE5LTA0LTA1VDIwOjA4OjQxKzAyOjAwPa6EZwAAACV0RVh0ZGF0ZTptb2RpZnkAMjAxOS0wNC0wNVQyMDowODo0MSswMjowMEzzPNsAAAAASUVORK5CYII="/>
+</body>