dom/src/threads/test/test_threadErrors.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 Tests of DOM Worker Threads (Bug 437152)
   5 -->
   6 <head>
   7   <title>Test for DOM Worker Threads (Bug 437152)</title>
   8   <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
   9   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  10   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  11 </head>
  12 <body>
  13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=437152">DOM Worker Threads Bug 437152</a>
  14 <p id="display"></p>
  15 <div id="content" style="display: none">
  16
  17 </div>
  18 <pre id="test">
  19 <script class="testbody" type="text/javascript">
  20
  21   netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
  22
  23   var prefs = Components.classes["@mozilla.org/preferences-service;1"].
  24               getService(Components.interfaces.nsIPrefBranch);
  25   //prefs.setIntPref("javascript.options.gczeal", 2);
  26
  27   var badWorkerScripts = [
  28     // Syntax error
  29     "function messageListener(message, source) { " +
  30     "  for (var i = 0; i < 10) { } " +
  31     "} " +
  32     "",
  33
  34     // Bad function error
  35     "function messageListener(message, source) { " +
  36     "  foopy(); " +
  37     "} " +
  38     "",
  39
  40     // Unhandled exception in body
  41     "function messageListener(message, source) { " +
  42     "} " +
  43     "throw new Error('Bah!'); " +
  44     "",
  45
  46     // Throwing message listener
  47     "function messageListener(message, source) { " +
  48     "  throw 'Bad message: ' + message; " +
  49     "} " +
  50     ""
  51   ];
  52
  53   var expectedErrorCount = badWorkerScripts.length;
  54
  55   var pool = navigator.newWorkerPool();
  56
  57   pool.messageListener = function(message, source) {
  58     netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
  59
  60     prefs.setIntPref("javascript.options.gczeal", 0);
  61     ok(false, "Unexpected message");
  62     SimpleTest.finish();
  63   };
  64
  65   var actualErrorCount = 0;
  66   var failedWorkers = [];
  67
  68   pool.errorListener = function(error, source) {
  69     netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
  70
  71     if (failedWorkers.indexOf(source) != -1) {
  72       dump("Already seen worker: " + source + "\n");
  73       ok(false, "Seen an extra error from this worker");
  74       prefs.setIntPref("javascript.options.gczeal", 0);
  75       SimpleTest.finish();
  76       return;
  77     }
  78
  79     failedWorkers.push(source);
  80     actualErrorCount++;
  81
  82     if (actualErrorCount == expectedErrorCount) {
  83       prefs.setIntPref("javascript.options.gczeal", 0);
  84       SimpleTest.finish();
  85     }
  86   };
  87
  88   for (var i = 0; i < expectedErrorCount; i++) {
  89     var worker = pool.createWorker(badWorkerScripts[i]);
  90     worker.postMessage("Hi");
  91   }
  92
  93   SimpleTest.waitForExplicitFinish();
  94 </script>
  95 </pre>
  96 </body>
  97 </html>
  98