test_bug509055.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=509055

-->

<head>

  <title>Test for Bug 509055</title>

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

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

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

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=509055">Mozilla Bug 509055</a>

<p id="display"></p>

<div id="status"></div>

<div id="content">

</div>

<pre id="test">

  <script type="application/javascript">

    /** Test for Bug 509055 */

    SimpleTest.waitForExplicitFinish();

    var gGen;

    function shortWait() {

      setTimeout(function() { gGen.next(); }, 0, false);

    function onChildHashchange() {

      // gGen might be undefined when we refresh the page, so we have to check here

      dump("onChildHashchange() called.\n");

      if (gGen)

        gGen.next();

    function onChildLoad() {

      if (gGen)

        gGen.next();

    async function* runTest() {

      var popup = window.open("file_bug509055.html", "popup 0",

                              "height=200,width=200,location=yes," +

                              "menubar=yes,status=yes,toolbar=yes,dependent=yes");

      popup.hashchangeCallback = onChildHashchange;

      popup.onload = onChildLoad;

      dump("Waiting for initial load.\n");

      yield undefined;

      // Without this wait, the change to location.hash below doesn't create a

      // SHEntry or enable the back button.

      shortWait();

      dump("Got initial load.  Spinning event loop.\n");

      yield undefined;

      popup.location.hash = "#1";

      dump("Waiting for hashchange.\n");

      yield undefined;

      popup.history.back();

      dump("Waiting for second hashchange.\n");

      yield undefined; // wait for hashchange

      popup.document.title = "Changed";

      // Wait for listeners to be notified of the title change.

      shortWait();

      dump("Got second hashchange.  Spinning event loop.\n");

      yield undefined;

      let sheTitle = "";

      if (!SpecialPowers.Services.appinfo.sessionHistoryInParent) {

        var sh = SpecialPowers.wrap(popup)

                              .docShell

                              .QueryInterface(SpecialPowers.Ci.nsIWebNavigation)

                              .sessionHistory;

        // Get the title of the inner popup's current SHEntry

        sheTitle = sh.legacySHistory.getEntryAtIndex(sh.index).title;

      } else {

        let chromeScript = SpecialPowers.loadChromeScript(() => {

          /* eslint-env mozilla/chrome-script */

          addMessageListener("getTitle", browsingContext => {

            // eslint-disable-next-line no-shadow

            let sh = browsingContext.sessionHistory;

            let title = sh.getEntryAtIndex(sh.index).title;

            sendAsyncMessage("title", title);

});

});

        let p = chromeScript.promiseOneMessage("title");

        let browsingContext = SpecialPowers.wrap(popup)

                                           .docShell.browsingContext;

        chromeScript.sendAsyncMessage("getTitle", browsingContext);

        sheTitle = await p;

        chromeScript.destroy();

      is(sheTitle, "Changed", "SHEntry's title should change when we change.");

      popup.close();

      SimpleTest.executeSoon(SimpleTest.finish);

    window.addEventListener("load", function() {

      gGen = runTest();

      gGen.next();

});

  </script>

</body>

</html>