LayoutTests/fast/profiler/anonymous-functions-with-display-names.html

   1 <html>
   2 <head>
   3 <script src="resources/profiler-test-JS-resources.js"></script>
   4 <script>
   5 if (window.layoutTestController)
   6     layoutTestController.dumpAsText();
   7 if (window.internals)
   8     internals.settings.setJavaScriptProfilingEnabled(true);
   9
  10 function anonymousFunctionGenerator(iterations)
  11 {
  12     var variableThatPointsToAnAnonymousFunction = function()
  13     {
  14         for (var i = 0; i < iterations; ++i) ;
  15     }
  16
  17     variableThatPointsToAnAnonymousFunction.displayName = iterations + " iterations function";
  18
  19     return variableThatPointsToAnAnonymousFunction;
  20 }
  21
  22 function startTest()
  23 {
  24     console.profile("Anonymous functions with display names");
  25
  26     anonymousFunctionGenerator(0)();
  27     anonymousFunctionGenerator(1)();
  28     anonymousFunctionGenerator(2)();
  29     anonymousFunctionGenerator(20)();
  30     anonymousFunctionGenerator(1000)();
  31
  32     endTest();
  33 }
  34 </script>
  35 </head>
  36
  37 <body onload="startTest()">
  38 This page's JavaScript calls anonymous functions with display names.
  39 <br>
  40 <br>
  41 To run this test manually, load it in the browser then load the WebInspector and look at
  42 the profile.  You should see functions named "[x] iterations function", and no anonymous functions.
  43 <div id="output"></div>
  44 </body>
  45 </html>