test_aboutmemory6.xhtml

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<?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="about:memory"

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

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

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

  <!-- This file tests the saving of GC and CC logs in both concise and

       verbose formats. -->

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

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

  <iframe id="amFrame"  height="400" src="about:memory"></iframe>

  <script type="application/javascript">

  <![CDATA[

  "use strict";

  function onFocus() {

    let frame = document.getElementById("amFrame");

    frame.focus();

    // Checks that a file exists on the local file system and removes it if it

    // is present.

    function checkForFileAndRemove(aFilename) {

      let localFile = Cc["@mozilla.org/file/local;1"]

                        .createInstance(Ci.nsIFile);

      localFile.initWithPath(aFilename);

      let exists = localFile.exists();

      if (exists) {

        localFile.remove(/* recursive = */ false);

      return exists;

    // Given a save log button, triggers the action and checks if both CC & GC

    // logs were written to disk.

    function saveLogs(aLogButton, aCCLogType)

      // trigger the log saving

      aLogButton.click();

      // mainDiv

      // |-> section

      //        | -> div gc log path

      //        | -> div cc log path

      let mainDiv = frame.contentWindow.document.getElementById("mainDiv");

      let logNodes = mainDiv.childNodes[0];

      // we expect 2 logs listed

      let numOfLogs = logNodes.childNodes.length;

      ok(numOfLogs == 2, "two log entries generated")

      // grab the path portion of the text

      let gcLogPath = logNodes.childNodes[0].textContent

                        .replace("Saved GC log to ", "");

      let ccLogPath = logNodes.childNodes[1].textContent

                        .replace("Saved " + aCCLogType + " CC log to ", "");

      // check that the files actually exist

      ok(checkForFileAndRemove(gcLogPath), "GC log file exists");

      ok(checkForFileAndRemove(ccLogPath), "CC log file exists");

    // get the log buttons to test

    let saveConcise = frame.contentWindow.document

                        .getElementById("saveLogsConcise");

    let saveVerbose = frame.contentWindow.document

                        .getElementById("saveLogsVerbose");

    saveLogs(saveConcise, "concise");

    saveLogs(saveVerbose, "verbose");

    SimpleTest.finish();

  SimpleTest.waitForFocus(onFocus);

  SimpleTest.waitForExplicitFinish();

]]>

  </script>

</window>