42 lines
1.3 KiB
HTML
42 lines
1.3 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="timeout" content="long">
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<title>Detect simple soft navigation.</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/testdriver.js"></script>
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<script src="/resources/testdriver-vendor.js"></script>
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<script src="resources/soft-navigation-helper.js"></script>
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</head>
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<body>
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<main id=main>
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<a id=link>Click me!</a>
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</main>
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<script>
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const link = document.getElementById("link");
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testSoftNavigation({
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addContent: async () => {
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await addImageToMain('green-16x16.png');
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},
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link: link,
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clicks: 52,
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extraValidations: async (entries, options)=>{
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if (!performance.softNavPaintMetricsSupported) {
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return;
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}
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const [paint_entries, paint_options] = await new Promise(resolve => {
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new PerformanceObserver((list, obs, options) =>
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resolve([list.getEntries(), options])).observe(
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{type: 'paint', buffered: true});
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});
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assert_equals(options['droppedEntriesCount'], 2);
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assert_equals(paint_options['droppedEntriesCount'], 4);
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},
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test: "Test that a soft navigation entries get dropped when buffer limits"
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+ " get exceeded."});
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</script>
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</body>
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</html>
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