window-open-popup-during-pageshow.html

Enable keyboard shortcuts

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/navigating-across-documents/replace-before-load/window-open-popup-during-pageshow.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

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

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

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

<body>

<script>

"use strict";

promise_test(async t => {

  // Generating a new one instead of hard-coding makes running tests manually a bit easier.

  const windowName = token();

  const code = `

    window.onpageshow = () => opener.navigateMe();

    opener.postMessage("arrived at start URL", "*");

`;

  const startURL = "resources/slow-code-injector.html?pipe=sub(none)&code=" + encodeURIComponent(code);

  const absoluteStartURL = (new URL(startURL, location.href)).href;

  const afterReplacementURL = "resources/message-opener.html";

  const absoluteAfterReplacementURL = (new URL(afterReplacementURL, location.href)).href;

  window.navigateMe = () => {

    window.open(absoluteAfterReplacementURL, windowName);

};

  // First message sent is ignored; we only check it after navigating back.

  const w = window.open(startURL, windowName);

  t.add_cleanup(() => w.close());

  // Wait to get past any initial about:blank

  while (true) {

    if (w.location.href === absoluteStartURL) {

      break;

    await new Promise(r => t.step_timeout(r, 0));

  assert_equals(w.onloadFired, undefined, "onload must not yet have fired");

  assert_equals(w.history.length, 1, "history.length for the opened window must start at 1");

  await new Promise(r => {

    window.addEventListener("message", t.step_func(e => {

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

        resolve();

    }));

});

  assert_equals(w.history.length, 2, "history.length must increase");

  assert_equals(w.location.href, absoluteAfterReplacementURL);

  const promise = new Promise(resolve => {

    window.addEventListener("message", t.step_func(e => {

      assert_equals(e.data, "arrived at start URL");

      resolve();

    }));

});

  w.history.back();

  await promise;

  assert_equals(w.location.href, absoluteStartURL, "1 second after attempting to go back, it indeed went back");

}, "No replace before load, triggered by window.open() on a non-_self window");

</script>