The Tor Browser: toolkit/components/aboutmemory/tests/test

     1 <?xml version="1.0"?>

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

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

     4                  type="text/css"?>

     5 <window title="Memory reporters with child processes"

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

     7   <script type="application/javascript"

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

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

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

    12   </body>

    14   <!-- test code goes here -->

    15   <script type="application/javascript"><![CDATA[

    17   const Cc = Components.classes;

    18   const Ci = Components.interfaces;

    20   SimpleTest.waitForExplicitFinish();

    22   let numRemotes = 3;

    23   let numReady = 0;

    25   // Create some remote processes, and set up message-passing so that

    26   // we know when each child is fully initialized.

    27   let remotes = [];

    28   SpecialPowers.pushPrefEnv({"set": [["dom.ipc.processCount", 3]]}, function() {

    29     for (let i = 0; i < numRemotes; i++) {

    30       let w = remotes[i] = window.open("remote.xul", "", "chrome");

    32       w.addEventListener("load", function loadHandler() {

    33         w.removeEventListener("load", loadHandler);

    34         let remoteBrowser = w.document.getElementById("remote");

    35         let mm = remoteBrowser.messageManager;

    36         mm.addMessageListener("test:ready", function readyHandler() {

    37           mm.removeMessageListener("test:ready", readyHandler);

    38           numReady++;

    39           if (numReady == numRemotes) {

    40             // All the remote processes are ready.  Do memory reporting.

    41             doReports();

    42           }

    43         });

    44         mm.loadFrameScript("data:," + encodeURI("sendAsyncMessage('test:ready');"), true);

    45       });

    46     }

    47   });

    49   let mgr = Cc["@mozilla.org/memory-reporter-manager;1"].

    50             getService(Ci.nsIMemoryReporterManager);

    52   function doReports()

    53   {

    54     let residents = {};

    56     let handleReport = function(aProcess, aPath, aKind, aUnits, aAmount, aDesc) {

    57       if (aPath === "resident") {

    58         ok(100 * 1000 <= aAmount && aAmount <= 10 * 1000 * 1000 * 1000,

    59            "resident is reasonable");

    60         residents[aProcess] = aAmount;

    61       }

    62     }

    64     let processReports = function() {

    65       // First, test a failure case:  calling getReports() before the previous

    66       // getReports() has finished should silently abort.  (And the arguments

    67       // won't be used.)

    68       mgr.getReports(

    69         () => ok(false, "handleReport called for nested getReports() call"),

    70         null, null, null

    71       );

    73       // Close the remote processes.

    74       for (let i = 0; i < numRemotes; i++) {

    75         remotes[i].close();

    76       }

    78       // Check the results.

    80       let processes = Object.keys(residents);

    81       ok(processes.length == numRemotes + 1, "correct resident count");

    83       let numEmptyProcesses = 0, numNonEmptyProcesses = 0;

    84       for (let i = 0; i < processes.length; i++) {

    85         if (processes[i] == "") {

    86           numEmptyProcesses++;

    87         } else {

    88           ok(processes[i].startsWith("Browser ("),

    89              "correct non-empty process name prefix");

    90           numNonEmptyProcesses++;

    91         }

    92       }

    93       ok(numEmptyProcesses == 1, "correct empty process name count");

    94       ok(numNonEmptyProcesses == numRemotes,

    95                                  "correct non-empty process name count");

    97       SimpleTest.finish();

    98     }

   100     mgr.getReports(handleReport, null, processReports, null);

   101   }

   103   ]]></script>

   104 </window>

The Tor Browser / file revision