js/xpconnect/tests/mochitest/test_bug390488.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=390488
   5 -->
   6 <head>
   7   <title>Test for Bug 390488</title>
   8   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   9   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  10 </head>
  11 <body>
  12 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=390488">Mozilla Bug 390488</a>
  13 <p id="display">
  14   <div id="testdiv" onclick="checkForStacks();" style="visibility:hidden">
  15   </div>
  16 </p>
  17 <div id="content" style="display: none">
  18
  19 </div>
  20 <pre id="test">
  21 <script class="testbody" type="text/javascript">
  22
  23 /** Test for Bug 390488 **/
  24   function getStack1() {
  25     var func = arguments.callee.caller;
  26     var stack = "";
  27     for (var i = 1; func && i < 8; i++) {
  28       stack += " " + i + ". " + func.name;
  29       func = func.caller;
  30     }
  31     return stack;
  32   }
  33
  34   function getStack2() {
  35     var stack = new Error().stack;
  36     // Remove the two lines due to calling this
  37     return stack.substring(stack.indexOf("\n", stack.indexOf("\n")+1)+1);
  38   }
  39
  40   function simulateClick() {
  41     var evt = document.createEvent("MouseEvents");
  42     evt.initMouseEvent("click", true, true, window,
  43       0, 0, 0, 0, 0, false, false, false, false, 0, null);
  44     $("testdiv").dispatchEvent(evt);
  45   }
  46
  47   function matches(s, p, name) {
  48     ok(s.match(p) != null,
  49       name + " - got " + s + ", expected a string matching " + p);
  50   }
  51
  52   function checkForStacks() {
  53     matches(getStack1(), /checkForStacks .* onclick .* simulateClick/,
  54             "Stack from walking caller chain should be correct");
  55     isnot(getStack2().indexOf("simulateClick@"),  -1,
  56           "Stack from |new Error().stack| should include simulateClick");
  57   }
  58
  59   simulateClick();
  60 </script>
  61 </pre>
  62 </body>
  63 </html>
  64