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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/element-timing/toJSON.html
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/element-timing/toJSON.html')
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diff --git a/testing/web-platform/tests/element-timing/toJSON.html b/testing/web-platform/tests/element-timing/toJSON.html
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+++ b/testing/web-platform/tests/element-timing/toJSON.html
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+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>Element Timing: toJSON</title>
+<body>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/element-timing-helpers.js"></script>
+<img elementtiming='img' src="resources/square100.png"/>
+<script>
+ 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];
+ assert_equals(typeof(entry.toJSON), 'function');
+ const json = entry.toJSON();
+ assert_equals(typeof(json), 'object');
+ const keys = [
+ // PerformanceEntry
+ 'name',
+ 'entryType',
+ 'startTime',
+ 'duration',
+ // PerformanceElementTiming
+ 'renderTime',
+ 'loadTime',
+ 'intersectionRect',
+ 'identifier',
+ 'naturalWidth',
+ 'naturalHeight',
+ 'id',
+ 'url',
+ ];
+ for (const key of keys) {
+ assert_equals(json[key], entry[key],
+ 'PerformanceElementTiming ${key} entry does not match its toJSON value');
+ }
+ assert_equals(json['element'], undefined, 'toJSON should not include element');
+ })
+ );
+ observer.observe({type: 'element', buffered: true});
+ }, 'Test toJSON() in PerformanceElementTiming.');
+</script>
+</body>