third_party/WebKit/LayoutTests/inspector/sources/debugger/promise-events.html

   1 <html>
   2 <head>
   3 <script src="../../../http/tests/inspector/inspector-test.js"></script>
   4 <script src="../../../http/tests/inspector/debugger-test.js"></script>
   5 <script>
   6
   7 function testFunction()
   8 {
   9     var promise1 = new Promise(
  10         function promiseConstructor1(resolve, reject)
  11         {
  12             resolve("Resolved!");
  13         }
  14     );
  15     var promise2 = new Promise(
  16         function promiseConstructor2(resolve, reject)
  17         {
  18             reject("Rejected!");
  19         }
  20     );
  21     promise2
  22         .then(thenCallback1, thenCallback1)
  23         .then(thenCallback2);
  24 }
  25
  26 function thenCallback1()
  27 {
  28     return 0;
  29 }
  30
  31 function thenCallback2()
  32 {
  33     if (window.GCController)
  34         GCController.collectAll();
  35     debugger;
  36 }
  37
  38 function test()
  39 {
  40     var events = [];
  41     var minPromiseId;
  42
  43     InspectorTest.startDebuggerTest(step1, true);
  44
  45     function step1()
  46     {
  47         InspectorTest.DebuggerAgent.enablePromiseTracker(true);
  48         InspectorTest.debuggerModel.addEventListener(WebInspector.DebuggerModel.Events.PromiseUpdated, promiseUpdated);
  49         InspectorTest.runTestFunctionAndWaitUntilPaused(step2);
  50     }
  51
  52     function promiseUpdated(event)
  53     {
  54         var promiseId = event.data.promise.id;
  55         minPromiseId = Math.min(minPromiseId, promiseId) || promiseId;
  56         events.push(event.data);
  57     }
  58
  59     function step2()
  60     {
  61         outputResults();
  62         InspectorTest.DebuggerAgent.disablePromiseTracker();
  63         InspectorTest.completeDebuggerTest();
  64     }
  65
  66     function outputResults()
  67     {
  68         var output = [];
  69         for (var i = 0; i < events.length; i++) {
  70             var eventType = events[i].eventType;
  71             var promise = events[i].promise;
  72             var outputItem = [
  73                 eventType + ":",
  74                 "id: " + (promise.id - minPromiseId)
  75             ];
  76             switch (eventType) {
  77             case "new":
  78                 var callFrame = promise.callFrame;
  79                 if (callFrame) {
  80                     var url = WebInspector.displayNameForURL(callFrame.url);
  81                     outputItem.push(callFrame.functionName + " " + url + ":" + callFrame.lineNumber);
  82                 }
  83                 break;
  84             case "update":
  85                 if (promise.status !== "pending") {
  86                     outputItem.push("status: " + promise.status)
  87                     var callFrame = promise.settlementStack && promise.settlementStack[0];
  88                     if (callFrame) {
  89                         var url = WebInspector.displayNameForURL(callFrame.url);
  90                         outputItem.push(callFrame.functionName + " " + url + ":" + callFrame.lineNumber);
  91                     }
  92                 } else {
  93                     outputItem.push("parent id: " + (promise.parentId - minPromiseId));
  94                 }
  95                 break;
  96             }
  97             output.push(outputItem.join("\n    "));
  98         }
  99         output.sort();
 100         InspectorTest.addResults(output);
 101     }
 102 }
 103
 104 </script>
 105 </head>
 106
 107 <body onload="runTest()">
 108 <p>
 109 Tests promise tracker events in debugger.
 110 </p>
 111 </body>
 112 </html>