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