header-only-top-level.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:
- /speculation-rules/header-only-top-level.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Speculation-Rules header must only be fetched for top-level windows</title>

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

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

<script src="/common/utils.js"></script>

<script src="/common/dispatcher/dispatcher.js"></script>

<script src="/html/browsers/browsing-the-web/remote-context-helper/resources/remote-context-helper.js"></script>

<script>

promise_test(async t => {

  const uuid = token();

  const rulesURL = (new URL(`resources/counter.py?uuid=${uuid}`, document.baseURI)).href;

  const rcHelper = new RemoteContextHelper();

  const rc = await rcHelper.addWindow({

    headers: [["Speculation-Rules", `"${rulesURL}"`]]

});

  await t.step_wait(async () => {

    const requestCount1 = await (await fetch(rulesURL + "&check")).json();

    return requestCount1 === 1;

  }, "wait for request count to be updated for top-level window");

  const iframe = rc.addIframe({

    headers: [["Speculation-Rules", `"${rulesURL}"`]]

});

  // Just wait 2 seconds and hope that any erroneous request shows up by then.

  await new Promise(resolve => t.step_timeout(resolve, 2000));

  const requestCount2 = await (await fetch(rulesURL + "&check")).json();

  assert_equals(requestCount2, 1, "rules must not be fetched for iframes");

});

</script>