pageswap-in-hidden-doc-should-skip-transition.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:
- /css/css-view-transitions/navigation/pageswap-in-hidden-doc-should-skip-transition.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

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

<link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/">

<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;

  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');

};

     const result = await new Promise(resolve => {

        window.popup_done = resolve;

});

      assert_equals(result, null);

    }, "Outbound cross-document view transition is not allowed when document is hidden");

  } 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.popup_done(e.viewTransition);

};

</script>