summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/loading/early-hints/early-hints-response-time.h2.html
blob: ac70b3d332e6540881d0e683f91e3493df7ef6f1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<meta name="timeout" content="long">
<script src="/common/utils.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>
  promise_test(async t => {
    const iframe = document.createElement("iframe");
    const params = new URLSearchParams();
    const delays = [200, 100, 150];
    params.set("delay1", delays[0]);
    params.set("delay2", delays[1]);

    iframe.src = `resources/early-hints-delay.h2.py?${params.toString()}`;
    document.body.appendChild(iframe);
    t.add_cleanup(() => iframe.remove());
    await new Promise(resolve => iframe.addEventListener("load", resolve));
    const [entry] = iframe.contentWindow.performance.getEntriesByType("navigation");
    assert_greater_than(entry.firstInterimResponseStart, entry.requestStart + delays[0]);
    assert_greater_than(entry.responseStart, entry.firstInterimResponseStart + delays[1]);
}, `Interim response times should correspond to delays (h2)`);
</script>
</body>