src/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 function testFunction()
   8 {
   9     var promise = new Promise(function promiseConstructor(resolve, reject) {
  10         resolve("Resolved!");
  11     });
  12     promise
  13         .then(thenCallback, errorCallback)
  14         .then(thenCallback2, errorCallback);
  15 }
  16
  17 function thenCallback() { }
  18
  19 function thenCallback2()
  20 {
  21     debugger;
  22 }
  23
  24 function errorCallback() { }
  25
  26 var test = function ()
  27 {
  28     InspectorTest.startDebuggerTest(step1);
  29
  30     function step1()
  31     {
  32         DebuggerAgent.enablePromiseTracker();
  33         InspectorTest.runTestFunctionAndWaitUntilPaused(step2);
  34     }
  35
  36     function step2()
  37     {
  38         DebuggerAgent.getPromises(didGetPromises);
  39     }
  40
  41     function didGetPromises(error, response)
  42     {
  43         InspectorTest.assertTrue(!error, "FAIL: " + error);
  44
  45         function comparePromiseData(x, y)
  46         {
  47             if (x.id < y.id)
  48                 return -1;
  49             else if (x.id === y.id)
  50                 return 0;
  51             else
  52                 return 1;
  53         }
  54
  55         var minPromiseId;
  56         if (response.length) {
  57             minPromiseId = response[0].id;
  58             for (var i = 0; i < response.length; i++)
  59                 minPromiseId = Math.min(minPromiseId, response[i].id);
  60         }
  61         response.sort(comparePromiseData);
  62
  63         var output = [];
  64         for (var i = 0; i < response.length; i++) {
  65             var promise = response[i];
  66             var parentId = promise.parentId ? promise.parentId - minPromiseId : undefined;
  67             var promiseInfo = "Promise:" +
  68                               "\n    id: " + (promise.id - minPromiseId) +
  69                               "\n    status: " + promise.status +
  70                               "\n    parent id: " + parentId;
  71             var callFrame = promise.callFrame;
  72             if (callFrame) {
  73                 var url = WebInspector.displayNameForURL(callFrame.url);
  74                 promiseInfo += "\n    " + callFrame.functionName + " " + url + ":" + callFrame.lineNumber;
  75             }
  76             output.push(promiseInfo);
  77         }
  78
  79         InspectorTest.addResults(output);
  80
  81         DebuggerAgent.getPromiseById(response[0].id, "console", didGetPromiseById);
  82     }
  83
  84     function didGetPromiseById(error, response)
  85     {
  86         InspectorTest.assertTrue(!error, "FAIL: " + error);
  87         InspectorTest.assertTrue(response && response.type === "object" && response.className === "Promise", "FAIL: returned by ID object is not a Promise.");
  88
  89         RuntimeAgent.getProperties(response.objectId, didGetProperties);
  90     }
  91
  92     function didGetProperties(error, properties, internalProperties) {
  93         InspectorTest.assertTrue(!error, "FAIL: " + error);
  94         InspectorTest.assertTrue(internalProperties && internalProperties.length > 0, "FAIL: no internal properties.");
  95
  96         var status, value;
  97         for (var i = 0; i < internalProperties.length; i++) {
  98             var property = internalProperties[i];
  99             if (property.name === "[[PromiseStatus]]")
 100                 status = property.value.value;
 101             if (property.name === "[[PromiseValue]]")
 102                 value = property.value.value;
 103         }
 104
 105         InspectorTest.addResult("Promise:\n    status: " + status + "\n    value: " + value);
 106
 107         DebuggerAgent.disablePromiseTracker();
 108         DebuggerAgent.getPromises(didGetPromises2);
 109     }
 110
 111     function didGetPromises2(error, response)
 112     {
 113         var hasData = !error && response && response.length > 0;
 114         InspectorTest.assertTrue(!hasData, "FAIL: expected error or no data after disabling promise tracker.");
 115         InspectorTest.completeDebuggerTest();
 116     }
 117 }
 118
 119 </script>
 120 </head>
 121
 122 <body onload="runTest()">
 123 <p>
 124 Tests promise tracker in debugger.
 125 </p>
 126 </body>
 127 </html>