test_docshell_swap.xhtml

Enable keyboard shortcuts

<?xml version="1.0"?>

<?xml-stylesheet type="text/css" href="chrome://global/skin"?>

<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>

<window title="Docshell swap test"

        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>

  <!-- test results are displayed in the html:body -->

  <body xmlns="http://www.w3.org/1999/xhtml">

  </body>

  <!-- test code goes here -->

  <script type="application/javascript">

  <![CDATA[

  SimpleTest.waitForExplicitFinish();

  // Create two identical windows, each with a <browser> element.

  let win1 = window.browsingContext.topChromeWindow.openDialog("window_docshell_swap.xhtml", "_blank","chrome,width=300,height=200");

  let win2 = window.browsingContext.topChromeWindow.openDialog("window_docshell_swap.xhtml", "_blank","chrome,width=300,height=200");

  let loadCount = 0;

  function loadHandler() {

    loadCount++;

    if (loadCount < 2)

      return;

    let browser1 = win1.document.getElementById("browser");

    let browser2 = win2.document.getElementById("browser");

    let pongCount = 0;

    function gotPong(target_ok) {

      pongCount++;

      ok(target_ok, "message went to correct target");

      if (pongCount == 1) {

        win1.close();

        win2.close();

        SimpleTest.finish();

    let mm1 = browser1.frameLoader.messageManager;

    let mm2 = browser2.frameLoader.messageManager;

    // Swap docshells. Everything should be identical to before, since there was nothing to

    // distinguish these docshells.

    browser1.swapFrameLoaders(browser2);

    // mm1 shouldn't change here, but we update it in case it does due to a bug.

    mm1 = browser1.frameLoader.messageManager;

    // Load ping-pong code into first window.

    mm1.loadFrameScript("data:,addMessageListener('ping', () => sendAsyncMessage('pong'));", false);

    // A pong message received in win1 means success.

    win1.messageManager.addMessageListener("pong", () => { gotPong(true); });

    // A pong message received in win2 means failure!

    win2.messageManager.addMessageListener("pong", () => { gotPong(false); });

    // Send the ping to win1.

    mm1.sendAsyncMessage("ping");

  win1.addEventListener("load", loadHandler);

  win2.addEventListener("load", loadHandler);

]]>

  </script>

</window>