29 lines
1.6 KiB
HTML
29 lines
1.6 KiB
HTML
<!DOCTYPE HTML>
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<meta charset=utf-8>
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<title>Element Timing: 'element' entries are not accessible via performance timeline</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="resources/element-timing-helpers.js"></script>
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<script>
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let img;
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async_test(function (t) {
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assert_implements(window.PerformanceElementTiming, "PerformanceElementTiming is not implemented");
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const beforeRender = performance.now();
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new PerformanceObserver(
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t.step_func_done(function(entryList) {
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assert_equals(entryList.getEntries().length, 1);
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const entry = entryList.getEntries()[0];
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assert_equals(entry.entryType, 'element');
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assert_equals(entry.name, 'image-paint');
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const entriesByName = performance.getEntriesByName('image-paint', 'element');
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const entriesByType = performance.getEntriesByType('element');
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const allEntries = performance.getEntries();
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assert_equals(entriesByName.length, 0, 'Element Timing entry should not be retrievable by getEntriesByName');
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assert_equals(entriesByType.length, 0, 'Element Timing entry should not be retrievable by getEntriesByType');
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assert_equals(allEntries.filter(e => e.entryType === 'element').length, 0, 'Element Timing entry should not be retrievable by getEntries');
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})
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).observe({type: 'element', buffered: true});
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}, 'Element Timing entries are not accessible via performance.getEntries*');
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</script>
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<img src='resources/square100.png' elementtiming='my_image' id='my_id'/>
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