author Myk Melez <>
Tue, 10 Jan 2017 10:34:38 -0800
changeset 376493 58c050e010a596a5cbb419472714d2d68b8906c2
parent 341033 embedding/components/windowwatcher/test/test_named_window.html@9d23fffa886b0b78a2d6f9584f05e4af9a019c63
child 380400 87fde7e63c1a0a7d808e2f178191f3187057c4e7
permissions -rw-r--r--
Bug 1309049 - move embedding/ files out of that directory, r=jst,mossop

Test that when content opens a new window with a name, that the
newly opened window actually gets that name, and that subsequent
attempts to open a window with that name will target the same
  <meta charset="utf-8">
  <title>Test named windows</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/SpawnTask.js"></script>
  <script src="head.js" type="application/javascript;version=1.8"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <a href="#" id="link">Click me</a>

  <script type="application/javascript">
    "use strict";

    const NAME = "my_window";
    const TARGET_URL = "data:text/html,<html><body>test_named_window.html new window</body></html>";
    const TARGET_URL_2 = TARGET_URL + "#2";
    const TARGET_URL_3 = TARGET_URL + "#3";

     * Returns a Promise that resolves once some target has had
     * some event dispatched on it.
     * @param target
     *        The thing to wait for the event to be dispatched
     *        through.
     * @param eventName
     *        The name of the event to wait for.
     * @returns Promise
    function promiseEvent(target, eventName) {
      return new Promise(resolve => {
        target.addEventListener(eventName, function onEvent(e) {
          target.removeEventListener(eventName, onEvent, true);
        }, true);

    add_task(function*() {
      // This magic value of 2 means that by default, when content tries
      // to open a new window, it'll actually open in a new window instead
      // of a new tab.
      yield SpecialPowers.pushPrefEnv({"set": [
        ["", 2],

      let win1 =, "my_window");
      yield promiseEvent(win1, "load");

      let name = SpecialPowers.wrap(win1)

      is(name, NAME, "Should have the expected name");
      is(win1.location.href, new URL(TARGET_URL).href,
         "Should have loaded target TARGET_URL in the original window");

      let hashChange = promiseEvent(win1, "hashchange");
      let win2 =, "my_window");
      yield hashChange;

      is(win1, win2, "Should have gotten back the same window");
      is(win1.location.href, new URL(TARGET_URL_2).href,
         "Should have re-targeted pre-existing window");

      hashChange = promiseEvent(win1, "hashchange");
      let link = document.getElementById("link");
      link.setAttribute("target", NAME);
      link.setAttribute("href", TARGET_URL_3);;

      yield hashChange;

      is(win1.location.href, new URL(TARGET_URL_3).href,
         "Should have re-targeted pre-existing window");