early-hints-response-time.h2.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /loading/early-hints/early-hints-response-time.h2.html - WPT Dashboard Interop Dashboard

<!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>