third_party/WebKit/LayoutTests/inspector/sources/debugger-pause/debugger-pause-on-promise-rejection.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 createPromise()
   8 {
   9     var result = {};
  10     var p = new Promise(function(resolve, reject) {
  11         result.resolve = resolve;
  12         result.reject = reject;
  13     });
  14     result.promise = p;
  15     return result;
  16 }
  17
  18 function testFunction()
  19 {
  20     var resolved = createPromise();
  21     var caught = createPromise();
  22     var uncaught = createPromise();
  23
  24     caught.promise
  25         .then(function c1() {})
  26         .then(function c2() {})
  27         .catch(function c3() {});
  28     uncaught.promise
  29         .then(function f1() {})
  30         .then(function f2() {})
  31         .then(function f3() {}); // Last is uncaught.
  32
  33     resolved.resolve(42); // Should not pause.
  34     caught.reject(new Error("caught"));
  35     uncaught.reject(new Error("uncaught"));
  36 }
  37
  38 var test = function()
  39 {
  40     InspectorTest.setQuiet(true);
  41     InspectorTest.startDebuggerTest(step1);
  42
  43     function waitUntilPausedNTimes(count, callback)
  44     {
  45         function inner()
  46         {
  47             if (count--)
  48                 InspectorTest.waitUntilPausedAndDumpStackAndResume(inner);
  49             else
  50                 callback();
  51         }
  52         inner();
  53     }
  54
  55     function step1()
  56     {
  57         InspectorTest.DebuggerAgent.setPauseOnExceptions(WebInspector.DebuggerModel.PauseOnExceptionsState.PauseOnUncaughtExceptions);
  58         InspectorTest.showScriptSource("debugger-pause-on-promise-rejection.html", step2);
  59     }
  60
  61     function step2()
  62     {
  63         InspectorTest.addResult("=== Pausing only on uncaught exceptions ===");
  64         InspectorTest.runTestFunction();
  65         waitUntilPausedNTimes(1, step3);
  66     }
  67
  68     function step3()
  69     {
  70         InspectorTest.DebuggerAgent.setPauseOnExceptions(WebInspector.DebuggerModel.PauseOnExceptionsState.PauseOnAllExceptions);
  71         InspectorTest.addResult("\n=== Pausing on all exceptions ===");
  72         InspectorTest.runTestFunction();
  73         waitUntilPausedNTimes(2, step4);
  74     }
  75
  76     function step4()
  77     {
  78         InspectorTest.DebuggerAgent.setPauseOnExceptions(WebInspector.DebuggerModel.PauseOnExceptionsState.DontPauseOnExceptions);
  79         InspectorTest.completeDebuggerTest();
  80     }
  81 }
  82
  83 </script>
  84 </head>
  85
  86 <body onload="runTest()">
  87 <p>
  88 Tests that pause on promise rejection works.
  89 </p>
  90
  91 </body>
  92 </html>