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.layoutAndPaintAsyncThen(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.layoutAndPaintAsyncThen(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                 InspectorTest.addArray(record._event.invalidationTrackingEvents, InspectorTest.InvalidationFormatters, "", "paint invalidations");
  40
  41                 next();
  42             });
  43         },
  44
  45         function testSubframe(next)
  46         {
  47             InspectorTest.invokeAsyncWithTimeline("updateSubframeAndDisplay", function() {
  48                 // The first paint corresponds to the local frame and should have no invalidations.
  49                 var firstPaintRecord = InspectorTest.findFirstTimelineRecord(WebInspector.TimelineModel.RecordType.Paint);
  50                 var firstInvalidations = firstPaintRecord._event.invalidationTrackingEvents;
  51                 InspectorTest.assertEquals(firstInvalidations, undefined);
  52
  53                 // The second paint corresponds to the subframe and should have our layout/style invalidations.
  54                 var secondPaintRecord = InspectorTest.findTimelineRecord(WebInspector.TimelineModel.RecordType.Paint, 1);
  55                 InspectorTest.addArray(secondPaintRecord._event.invalidationTrackingEvents, InspectorTest.InvalidationFormatters, "", "second paint invalidations");
  56
  57                 next();
  58             });
  59         }
  60     ]);
  61 }
  62 </script>
  63 </head>
  64 <body onload="runTest()">
  65 <p>Tests the Timeline API instrumentation of paint events with layout invalidations.</p>
  66 <div id="testElement">PASS</div>
  67 <iframe src="resources/timeline-iframe-paint.html" style="position: absolute; left: 40px; top: 40px; width: 100px; height: 100px; border: none"></iframe>
  68 </body>
  69 </html>