src/third_party/WebKit/LayoutTests/inspector/tracing/timeline-paint-with-layout-invalidations.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4 <script src="../../http/tests/inspector/inspector-test.js"></script>
   5 <script src="../../http/tests/inspector/timeline-test.js"></script>
   6 <script>
   7 function display(callback)
   8 {
   9     requestAnimationFrame(function() {
  10         document.body.style.backgroundColor = "blue";
  11         document.getElementById("testElement").style.width = "100px";
  12         var forceLayout = document.body.offsetTop;
  13         if (window.testRunner)
  14             testRunner.displayAsyncThen(callback);
  15     });
  16 }
  17
  18 function updateSubframeAndDisplay(callback)
  19 {
  20     requestAnimationFrame(function() {
  21         frames[0].document.body.children[0].style.width = "200px";
  22         var forceLayout = frames[0].document.body.offsetTop;
  23         if (window.testRunner)
  24             testRunner.displayAsyncThen(callback);
  25     });
  26 }
  27
  28 function test()
  29 {
  30     var currentPanel = WebInspector.inspectorView.currentPanel();
  31     InspectorTest.assertEquals(currentPanel._panelName, "timeline", "Current panel should be the timeline.");
  32     Runtime.experiments.enableForTest("timelineInvalidationTracking");
  33
  34     InspectorTest.runTestSuite([
  35         function testLocalFrame(next)
  36         {
  37             InspectorTest.invokeAsyncWithTimeline("display", function() {
  38                 var record = InspectorTest.findFirstTimelineRecord(WebInspector.TimelineModel.RecordType.Paint);
  39                 var invalidations = record._event.invalidationTrackingEvents;
  40                 InspectorTest.assertEquals(invalidations.length, 3);
  41                 InspectorTest.assertEquals(invalidations[0].type, WebInspector.TracingTimelineModel.RecordType.StyleRecalcInvalidationTracking);
  42                 InspectorTest.assertEquals(invalidations[0].nodeName, "BODY");
  43                 InspectorTest.assertEquals(invalidations[0].reason, "StyleSheetChange");
  44                 InspectorTest.assertEquals(invalidations[1].type, WebInspector.TracingTimelineModel.RecordType.StyleRecalcInvalidationTracking);
  45                 InspectorTest.assertEquals(invalidations[1].nodeName, "DIV id='testElement'");
  46                 InspectorTest.assertEquals(invalidations[1].reason, "StyleSheetChange");
  47                 InspectorTest.assertEquals(invalidations[2].type, WebInspector.TracingTimelineModel.RecordType.LayoutInvalidationTracking);
  48                 InspectorTest.assertEquals(invalidations[2].nodeName, "DIV id='testElement'");
  49                 InspectorTest.assertGreaterOrEqual(invalidations[2].stackTrace.length, 1);
  50
  51                 next();
  52             });
  53         },
  54
  55         function testSubframe(next)
  56         {
  57             InspectorTest.invokeAsyncWithTimeline("updateSubframeAndDisplay", function() {
  58                 // The first paint corresponds to the local frame and should have no invalidations.
  59                 var firstPaintRecord = InspectorTest.findFirstTimelineRecord(WebInspector.TimelineModel.RecordType.Paint);
  60                 var firstInvalidations = firstPaintRecord._event.invalidationTrackingEvents;
  61                 InspectorTest.assertEquals(firstInvalidations, undefined);
  62
  63                 // The second paint corresponds to the subframe and should have our layout/style invalidations.
  64                 var secondPaintRecord = InspectorTest.findTimelineRecord(WebInspector.TimelineModel.RecordType.Paint, 1);
  65                 var secondInvalidations = secondPaintRecord._event.invalidationTrackingEvents;
  66                 InspectorTest.assertEquals(secondInvalidations.length, 3);
  67                 InspectorTest.assertEquals(secondInvalidations[0].type, WebInspector.TracingTimelineModel.RecordType.StyleRecalcInvalidationTracking);
  68                 InspectorTest.assertEquals(secondInvalidations[0].nodeName, "DIV");
  69                 InspectorTest.assertEquals(secondInvalidations[0].reason, "StyleSheetChange");
  70                 InspectorTest.assertEquals(secondInvalidations[1].type, WebInspector.TracingTimelineModel.RecordType.LayoutInvalidationTracking);
  71                 InspectorTest.assertEquals(secondInvalidations[1].nodeName, "DIV");
  72                 InspectorTest.assertGreaterOrEqual(secondInvalidations[1].stackTrace.length, 1);
  73                 InspectorTest.assertEquals(secondInvalidations[2].type, WebInspector.TracingTimelineModel.RecordType.LayoutInvalidationTracking);
  74                 InspectorTest.assertEquals(secondInvalidations[2].nodeName, "#document");
  75                 InspectorTest.assertGreaterOrEqual(secondInvalidations[2].stackTrace.length, 1);
  76
  77                 next();
  78             });
  79         }
  80     ]);
  81 }
  82 </script>
  83 </head>
  84 <body onload="runTest()">
  85 <p>Tests the Timeline API instrumentation of paint events with layout invalidations.</p>
  86 <div id="testElement">PASS</div>
  87 <iframe src="resources/timeline-iframe-paint.html" style="position: absolute; left: 40px; top: 40px; width: 100px; height: 100px; border: none"></iframe>
  88 </body>
  89 </html>