src/third_party/WebKit/LayoutTests/inspector/profiler/heap-snapshot-inspect-dom-wrapper.html

   1 <html>
   2 <head>
   3 <script src="../../http/tests/inspector/inspector-test.js"></script>
   4 <script src="heap-snapshot-test.js"></script>
   5 <script>
   6
   7 function handleLoad()
   8 {
   9     // Make sure there is a body wrapper.
  10     document.body.fieldOnDomWrapper = 2012;
  11     runTest();
  12 }
  13
  14 function test()
  15 {
  16     WebInspector.showPanel("profiles");
  17     WebInspector.panels.profiles._createTemporaryProfile("HEAP");
  18     var heapProfileType =  WebInspector.panels.profiles.getProfileType("HEAP");
  19     heapProfileType.addEventListener(WebInspector.HeapSnapshotProfileType.SnapshotReceived, finishHeapSnapshot);
  20     InspectorTest.addSniffer(heapProfileType, "_snapshotReceived", snapshotReceived);
  21     heapProfileType._takeHeapSnapshot(function() {});
  22
  23     function finishHeapSnapshot(uid)
  24     {
  25         InspectorTest.addResult("PASS: snapshot was taken");
  26         var profiles = heapProfileType.getProfiles();
  27
  28         if (!profiles.length)
  29             return clear("FAILED: no profiles found");
  30
  31         if (profiles.length > 1)
  32             return clear("FAILED: wrong number of recorded profiles was found. profiles.length = " + profiles.length);
  33
  34         var profile = profiles[profiles.length - 1];
  35         WebInspector.panels.profiles._showProfile(profile);
  36     }
  37
  38     function snapshotReceived(profile)
  39     {
  40         InspectorTest.addResult("PASS: snapshot was received");
  41         var snapshotProxy = profile._snapshotProxy;
  42         var snapshot = snapshotProxy._worker._worker._dispatcher._objects[snapshotProxy._objectId];
  43
  44         var bodyWrapperIds = [];
  45         for (var it = snapshot._allNodes(); it.hasNext(); it.next()) {
  46             if (it.item().name() === "HTMLBodyElement")
  47                 bodyWrapperIds.push(it.item().id());
  48         }
  49
  50         if (bodyWrapperIds.length < 3)
  51             return clear("FAILED: less than 3 HTMLBodyElement objects were detected");
  52
  53         InspectorTest.addResult("PASS: more than 2 HTMLBodyElements were found");
  54
  55         for (var i = 0; i < bodyWrapperIds.length; i++)
  56             HeapProfilerAgent.getObjectByHeapObjectId("" + bodyWrapperIds[i], undefined, didGetObjectByHeapObjectId);
  57
  58         var resolvedObjectsCount = 0;
  59         var remoteObjects = [];
  60         function didGetObjectByHeapObjectId(error, object)
  61         {
  62             if (!error)
  63                 remoteObjects.push(WebInspector.RemoteObject.fromPayload(object));
  64
  65             if (++resolvedObjectsCount  === bodyWrapperIds.length)
  66                 requestPropertiesOfResolvedObjects();
  67         }
  68
  69         function requestPropertiesOfResolvedObjects()
  70         {
  71             if (!remoteObjects.length)
  72                 return clear("FAILED: no resolved objects were detected");
  73
  74             InspectorTest.addResult("PASS: got at least one HTMLBodyElement wrapper");
  75
  76             for (var i = 0; i < remoteObjects.length; i++)
  77                 remoteObjects[i].getOwnProperties(didGetOwnProperties);
  78         }
  79
  80         var didGetOwnPropertiesCount = 0;
  81         function didGetOwnProperties()
  82         {
  83             if (++didGetOwnPropertiesCount !== remoteObjects.length)
  84                 return;
  85
  86             clear();
  87         }
  88
  89     }
  90
  91     function clear(errorMessage)
  92     {
  93         if (errorMessage)
  94             InspectorTest.addResult(errorMessage);
  95         HeapProfilerAgent.clearProfiles(done);
  96         WebInspector.panels.profiles._reset();
  97         return !errorMessage;
  98     }
  99
 100     function done()
 101     {
 102         InspectorTest.addResult("PASS: profile was deleted");
 103         InspectorTest.completeTest();
 104     }
 105 }
 106
 107 </script>
 108 </head>
 109
 110 <body onload="handleLoad()">
 111 <p>
 112 Test that resolving heap snaphot object to a JS object will not crash on DOM wrapper boilerplate. Test passes if it doesn't crash.
 113 </p>
 114
 115 </body>
 116 </html>