coop-popup-opener-navigates.https.html

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This WPT test may be referenced by the following Test IDs:
- /html/cross-origin-opener-policy/coop-popup-opener-navigates.https.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>

    Cross-Origin-Opener-Policy: opener is lost because the opener navigates.

</title>

<!--

    COOP tests usually assume that the opener is lost because it navigated to a

    page that triggered a browsing context group swap. It can also happen when

    the opener navigates instead. This test verifies the behavior.

-->

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

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

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

<script src="/common/get-host-info.sub.js"></script>

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

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

<script>

const executor_path = "/common/dispatcher/executor.html?pipe=";

const coop_same_origin_header =

    '|header(Cross-Origin-Opener-Policy,same-origin)';

const coop_unsafe_none_header =

    '|header(Cross-Origin-Opener-Policy,unsafe-none)';

function getExecutorPath(uuid, origin, coop_header) {

    return origin.origin + executor_path + coop_header  + `&uuid=${uuid}`;

// Note: Because we can not navigate the main page to verify the behavior,

// we instead create another layer of popup, and navigate the intermediate

// one. We can verify the opener behavior from this page, and the openee

// behavior from the second popup.

promise_test(async t => {

  // Set up dispatcher communications.

  const first_popup_token = token();

  const post_navigate_first_popup_token = token();

  const second_popup_token = token();

  const reply_token = token();

  const first_popup_url = getExecutorPath(

    first_popup_token,

    SAME_ORIGIN,

    coop_same_origin_header);

  const post_navigate_first_popup_url = getExecutorPath(

    post_navigate_first_popup_token,

    SAME_ORIGIN,

    coop_unsafe_none_header);

  const second_popup_url = getExecutorPath(

    second_popup_token,

    SAME_ORIGIN,

    coop_same_origin_header);

  // We open the first popup and then ping it, it will respond after loading.

  const first_popup = window.open(first_popup_url);

  send(first_popup_token, `send('${reply_token}', 'Popup loaded');`);

  assert_equals(await receive(reply_token), "Popup loaded");

  // We open the second popup and the ping it, it will respond after loading.

  send(first_popup_token,

      `opener.second_popup_url = window.open('${second_popup_url}');`);

  send(second_popup_token, `send('${reply_token}', 'Popup loaded');`);

  assert_equals(await receive(reply_token), "Popup loaded");

  // Both popups are now loaded. We navigate the middle one to a page that

  // does not have COOP, this should trigger a browsing context group swap.

  send(first_popup_token, `location.href = '${post_navigate_first_popup_url}'`);

  send(post_navigate_first_popup_token,

    `send('${reply_token}', 'Popup navigated');`);

  assert_equals(await receive(reply_token), "Popup navigated");

  // Give some time for things to settle across processes etc. before

  // proceeding with verifications.

  await new Promise((resolve, reject) => { t.step_timeout(resolve, 1500); });

  // The reference held by the main page to the first popup should be closed.

  assert_equals(first_popup.closed, true);

  // The second popup, opened by the first one should have its opener unset.

  send(second_popup_token, `send('${reply_token}', opener);`);

  assert_equals(await receive(reply_token), "");

}, "Verify that having the opener navigate instead of the openee also triggers COOP swaps.");

 </script>