third_party/WebKit/LayoutTests/inspector/profiler/heap-snapshot-statistics.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 test()
   8 {
   9     function createHeapSnapshot()
  10     {
  11         var builder = new InspectorTest.HeapSnapshotBuilder();
  12         var index = 0;
  13         for (type in InspectorTest.HeapNode.Type) {
  14             if (!InspectorTest.HeapNode.Type.hasOwnProperty(type)) continue;
  15             if (type === InspectorTest.HeapNode.Type.synthetic) continue;
  16             if (type === InspectorTest.HeapNode.Type.number) continue;
  17             ++index;
  18             var size = index * Math.pow(10, index - 1);
  19             var node = new InspectorTest.HeapNode(type, size, InspectorTest.HeapNode.Type[type]);
  20             InspectorTest.addResult(type + " node size: " + size);
  21             builder.rootNode.linkNode(node, InspectorTest.HeapEdge.Type.internal, type + "Link");
  22         }
  23         var jsArrayNode = new InspectorTest.HeapNode("Array", 8, InspectorTest.HeapNode.Type.object);
  24         builder.rootNode.linkNode(jsArrayNode, InspectorTest.HeapEdge.Type.internal, "JSArrayLink");
  25         var jsArrayContentsNode = new InspectorTest.HeapNode("", 12, InspectorTest.HeapNode.Type.array);
  26         jsArrayNode.linkNode(jsArrayContentsNode, InspectorTest.HeapEdge.Type.internal, "elements");
  27         var gcRootsNode = new InspectorTest.HeapNode("(GC roots)", 0, InspectorTest.HeapNode.Type.synthetic);
  28         builder.rootNode.linkNode(gcRootsNode, InspectorTest.HeapEdge.Type.internal, "0");
  29         var strongRoots = new InspectorTest.HeapNode("(Strong roots)", 0, InspectorTest.HeapNode.Type.synthetic);
  30         gcRootsNode.linkNode(strongRoots, InspectorTest.HeapEdge.Type.internal, "0");
  31         var systemObj = new InspectorTest.HeapNode("SystemObject", 900000000, InspectorTest.HeapNode.Type.object);
  32         strongRoots.linkNode(systemObj, InspectorTest.HeapEdge.Type.internal, "0");
  33         return builder.generateSnapshot();
  34     }
  35
  36     InspectorTest.runHeapSnapshotTestSuite([
  37         function testStatistics(next)
  38         {
  39             InspectorTest.addSniffer(WebInspector.HeapSnapshotView.prototype, "_gotStatistics", step1, true);
  40             InspectorTest.takeAndOpenSnapshot(createHeapSnapshot, function() {});
  41
  42             function step1(statistics)
  43             {
  44                 InspectorTest.addResult(JSON.stringify(statistics));
  45                 setTimeout(next, 0);
  46             }
  47         }
  48     ]);
  49 }
  50
  51 </script>
  52 </head>
  53 <body onload="runTest()">
  54 <p>
  55 Tests Statistics view of detailed heap snapshots.
  56 </p>
  57 </body>
  58 </html>