44 lines
1.5 KiB
HTML
44 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<title>Resource Timing for prefetched SignedHTTPExchange</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="/common/get-host-info.sub.js"></script>
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<script src="./resources/sxg-util.js"></script>
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<body>
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<script>
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function addPrefetch(url) {
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let link = document.createElement('link');
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link.rel = 'prefetch';
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link.href = url;
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document.body.appendChild(link);
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}
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async function waitForPerformanceEntries(url) {
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let entries = performance.getEntriesByName(url);
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if (entries.length > 0) {
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return entries;
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}
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return new Promise((resolve) => {
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new PerformanceObserver((list) => {
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const entries = list.getEntriesByName(url);
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if (entries.length > 0) {
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resolve(entries);
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}
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}).observe({ entryTypes: ['resource'] });
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});
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}
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promise_test(async (t) => {
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const url = get_host_info().HTTPS_ORIGIN + '/signed-exchange/resources/sxg/sxg-location.sxg';
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addPrefetch(url);
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return waitForPerformanceEntries(url).then((entries) => {
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assert_equals(entries.length, 1, "Should have only one resource timing entry");
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const e = entries[0];
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assert_greater_than(e.duration, 0, "duration should be greater than 0");
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assert_greater_than(e.fetchStart, 0, "fetchStart should be greater than 0");
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assert_greater_than(e.responseEnd, e.fetchStart,
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"responseEnd should be greater than fetchStart");
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});
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}, 'Resource Timing for prefetched SignedHTTPExchange');
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</script>
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</body>
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