third_party/WebKit/LayoutTests/inspector/sources/debugger/promise-tracker.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 var promise;
   8 function testFunction()
   9 {
  10     promise = new Promise(function promiseConstructor(resolve, reject) {
  11         resolve("Resolved!");
  12     });
  13     promise
  14         .then(thenCallback, errorCallback)
  15         .then(thenCallback2, errorCallback);
  16 }
  17
  18 function thenCallback() { }
  19
  20 function thenCallback2()
  21 {
  22     debugger;
  23 }
  24
  25 function errorCallback() { }
  26
  27 var test = function ()
  28 {
  29     InspectorTest.startDebuggerTest(step1);
  30
  31     var minPromiseId;
  32     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.PromiseUpdated, onPromiseUpdated, this);
  33     function onPromiseUpdated(event)
  34     {
  35         var target = /** @type {!WebInspector.Target} */ (event.target.target());
  36         var eventType = /** @type {string} */ (event.data.eventType);
  37         var promise = /** @type {!DebuggerAgent.PromiseDetails} */ (event.data.promise);
  38
  39         if (typeof minPromiseId === "undefined")
  40             minPromiseId = promise.id;
  41
  42         var parentId = promise.parentId ? promise.parentId - minPromiseId : undefined;
  43         var promiseInfo = [];
  44         promiseInfo.push("Promise (" + eventType + "):");
  45         if (eventType !== "gc") {
  46             promiseInfo.push("id: " + (promise.id - minPromiseId));
  47             promiseInfo.push("status: " + promise.status);
  48             if (parentId)
  49                 promiseInfo.push("parent id: " + parentId);
  50             var callFrame = promise.callFrame;
  51             if (callFrame) {
  52                 var url = WebInspector.displayNameForURL(callFrame.url);
  53                 promiseInfo.push(callFrame.functionName + " " + url + ":" + callFrame.lineNumber);
  54             }
  55             if (promise.creationTime)
  56                 promiseInfo.push("creationTime: " + (promise.creationTime > 0));
  57             if (promise.settlementTime)
  58                 promiseInfo.push("settlementTime: " + (promise.settlementTime > 0));
  59         }
  60         InspectorTest.addResult(promiseInfo.join("\n    "));
  61     }
  62
  63     function step1()
  64     {
  65         InspectorTest.DebuggerAgent.enablePromiseTracker();
  66         InspectorTest.runTestFunctionAndWaitUntilPaused(step2);
  67     }
  68
  69     function step2()
  70     {
  71         InspectorTest.DebuggerAgent.getPromiseById(minPromiseId, "console", didGetPromiseById);
  72     }
  73
  74     function didGetPromiseById(error, response)
  75     {
  76         if (error) {
  77             InspectorTest.addResult("Failed to get promise by id: " + error);
  78             InspectorTest.DebuggerAgent.disablePromiseTracker();
  79             InspectorTest.completeDebuggerTest();
  80             return;
  81         }
  82         InspectorTest.addResult("Got promise by id: " + !error);
  83         InspectorTest.addResult("Resolved object class: " + response.className);
  84         InspectorTest.RuntimeAgent.getProperties(response.objectId, didGetProperties);
  85     }
  86
  87     function didGetProperties(error, properties, internalProperties)
  88     {
  89         InspectorTest.assertTrue("Received internal properties of the first promise: " + (internalProperties && internalProperties.length > 0));
  90
  91         var status, value;
  92         for (var i = 0; i < internalProperties.length; i++) {
  93             var property = internalProperties[i];
  94             if (property.name === "[[PromiseStatus]]")
  95                 status = property.value.value;
  96             if (property.name === "[[PromiseValue]]")
  97                 value = property.value.value;
  98         }
  99
 100         InspectorTest.addResult("Promise:\n    status: " + status + "\n    value: " + value);
 101
 102         InspectorTest.DebuggerAgent.disablePromiseTracker();
 103         InspectorTest.completeDebuggerTest();
 104     }
 105 }
 106
 107 </script>
 108 </head>
 109
 110 <body onload="runTest()">
 111 <p>
 112 Tests promise tracker in debugger.
 113 </p>
 114 </body>
 115 </html>