preconnect-in-early-hints.html

Enable keyboard shortcuts

<!DOCTYPE html>

<meta charset=utf-8>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="early-hints-helpers.sub.js"></script>

<body>

<script>

promise_test(async (t) => {

    const params = new URLSearchParams(window.location.search);

    const resource_url = params.get("resource-url");

    await fetchScript(resource_url);

    // Check the resource's connect timing.

    const entries = performance.getEntriesByName(resource_url);

    assert_equals(entries.length, 1);

    const connect_start = entries[0].connectStart;

    const connect_end = entries[0].connectEnd;

    assert_equals(connect_start, connect_end,

        "Connection establishment should not take time for a resource from a preconnected origin.");

}, "Preconnect in early hints.");

</script>

</body>