src/third_party/WebKit/LayoutTests/inspector/tracing.html

   1 <html>
   2 <head>
   3 <style>
   4 div#test {
   5     display: none;
   6     background-color: blue;
   7     width: 100px;
   8     height: 100px;
   9 }
  10 </style>
  11 <script src="../http/tests/inspector/inspector-test.js"></script>
  12 <script>
  13 function doWork()
  14 {
  15     var element = document.getElementById("test");
  16     element.style.display = "block";
  17     var unused = element.clientWidth;
  18 }
  19
  20 function test()
  21 {
  22     function runEventsSanityCheck()
  23     {
  24         var events = [];
  25         var phaseComplete = 0;
  26         var knownEvents = {};
  27         var processes = 0;
  28         var threads = 0;
  29
  30         tracingModel.sortedProcesses().forEach(function(process) {
  31             processes++;
  32             process.sortedThreads().forEach(function(thread) {
  33                 threads++;
  34                 events = events.concat(thread.events());
  35             });
  36         });
  37
  38         knownEvents["MessageLoop::PostTask"] = 0;
  39         knownEvents["v8.callFunction"] = 0;
  40         knownEvents["Document::updateRenderTree"] = 0;
  41         knownEvents["FrameView::layout"] = 0;
  42
  43         for (var i = 0; i < events.length; ++i) {
  44             var event = events[i];
  45             if (event.phase === WebInspector.TracingModel.Phase.Complete)
  46                 ++phaseComplete;
  47             if (event.name in knownEvents)
  48                 ++knownEvents[event.name];
  49         }
  50         InspectorTest.assertGreaterOrEqual(events.length, 100, "Too few trace events recorded");
  51         InspectorTest.assertGreaterOrEqual(knownEvents["v8.callFunction"], 10, "Too few v8.callFunction");
  52         InspectorTest.assertGreaterOrEqual(knownEvents["Document::updateRenderTree"], 1, "Too few Document::recalcStyle");
  53         InspectorTest.assertGreaterOrEqual(knownEvents["FrameView::layout"], 1, "Too few FrameView::layout");
  54         InspectorTest.assertGreaterOrEqual(phaseComplete, 50, "Too few begin events");
  55         InspectorTest.assertGreaterOrEqual(processes, 2, "Too few processes");
  56         InspectorTest.assertGreaterOrEqual(threads, 4, "Too few threads");
  57         InspectorTest.addResult("Event sanity test done");
  58     }
  59
  60     function onTracingComplete()
  61     {
  62         InspectorTest.addResult("Tracing complete");
  63         runEventsSanityCheck();
  64         InspectorTest.completeTest();
  65     }
  66
  67     var tracingModel = new WebInspector.TracingModel();
  68     tracingModel.start("", "", onTracingStarted);
  69     function onTracingStarted(error)
  70     {
  71         InspectorTest.addResult("Tracing started (error: " + JSON.stringify(error) + ")");
  72         InspectorTest.evaluateInPage("doWork()", function() {
  73             tracingModel.stop(onTracingComplete);
  74         });
  75     }
  76 }
  77
  78 </script>
  79 </head>
  80 <body onload="runTest()">
  81 <div id="test">
  82 </div>
  83 </body>
  84 </html>