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Test Info: Warnings
- This test has a WPT meta file that expects 1 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /soft-navigation-heuristics/multiple-paint-entries-buffered.tentative.html - WPT Dashboard Interop Dashboard
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<meta name="timeout" content="long">
<title>Detect multiple soft navigations and ensure they buffer paint entries.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="resources/soft-navigation-helper.js"></script>
</head>
<body>
<main id=main>
<a id=link>Click me!</a>
</main>
<script>
const link = document.getElementById("link");
testSoftNavigation({
addContent: async () => {
await addImageToMain();
},
link: link,
clicks: 4,
extraValidations: async (entries, options)=>{
if (!performance.softNavPaintMetricsSupported) {
return;
}
const paint_entries = await new Promise(resolve => {
new PerformanceObserver(list => resolve(list.getEntries())).observe(
{type: 'paint', buffered: true,
includeSoftNavigationObservations: true});
});
assert_equals(paint_entries.length, 10);
},
test: "Test that multiple soft navigation buffer paint entries"});
</script>
</body>
</html>