test_named_window.html

Enable keyboard shortcuts

<!DOCTYPE HTML>

<html>

<!--

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

window.

-->

<head>

  <meta charset="utf-8">

  <title>Test named windows</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <script src="head.js" type="application/javascript"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

</head>

<body>

  <a href="#" id="link">Click me</a>

  <script type="application/javascript">

    "use strict";

    const NAME = "my_window";

    const TARGET_URL = location.href.replace("test_named_window.html",

                                             "file_named_window.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(e) {

          resolve(e);

        }, {capture: true, once: true});

});

    add_task(async 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.

      await SpecialPowers.pushPrefEnv({"set": [

        ["browser.link.open_newwindow", 2],

      ]});

      let win1 = window.open(TARGET_URL, "my_window");

      await promiseEvent(win1, "load");

      let name = SpecialPowers.wrap(win1).docShell.name;

      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 = window.open(TARGET_URL_2, "my_window");

      await 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);

      link.click();

      await hashChange;

      is(win1.location.href, new URL(TARGET_URL_3).href,

         "Should have re-targeted pre-existing window");

      win1.close();

});

  </script>

</body>

</html>