pageswap-push-navigation-hidden-document.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:
- /html/browsers/browsing-the-web/history-traversal/pageswap/pageswap-push-navigation-hidden-document.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Tests pageswap dispatch on hidden Documents</title>

<link rel="author" title="Khushal Sagar"  href="mailto:khushalsagar@chromium.org">

<link rel="author" href="mailto:khushalsagar@chromium.org">

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

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

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

<script src="/resources/testdriver-vendor.js"></script>

<script>

const expectedUrl = location.href + '?new';

const params = new URLSearchParams(location.search);

// The page the popup navigates to.

const is_new_page = params.has('new');

// The initial page in the popup.

const is_popup_page = params.has('popup');

// The test page itself.

const is_test_page = !is_popup_page && !is_new_page;

const channel = new BroadcastChannel("testchannel");

if (is_test_page) {

  const expectedUrl = location.href + "?new";

  const expectedEvents = ["pageswap", expectedUrl, "push","from", "pagehide"];

  promise_test(async t => {

    let popup;

    onload = async () => {

      window.events = [];

      popup = window.open("?popup");

};

    await new Promise(resolve => {

      channel.addEventListener(

        "message", t.step_func(async (e) => {

          if (e.data === "nav") {

            assert_array_equals(window.events, expectedEvents, 'incorrect event order');

            popup.close();

            resolve();

      }));

});

  }, `pageswap on navigation from script`);

} else if (is_popup_page) {

    onload = async () => {

      await test_driver.minimize_window();

      assert_equals(document.visibilityState, "hidden");

      assert_equals(document.hidden, true);

      location.href = location.href.split('?')[0] + '?new';

};

    onpageswap = (e) => {

      window.opener.events.push("pageswap");

      if (e.viewTransition != null)

      window.opener.events.push("transition");

      window.opener.events.push(e.activation.entry.url);

      window.opener.events.push(e.activation.navigationType);

      if (e.activation.from == navigation.currentEntry)

        window.opener.events.push("from");

};

    onpagehide = () => {

      window.opener.events.push("pagehide");

      channel.postMessage("nav");

};

</script>