third_party/WebKit/LayoutTests/inspector/sources/debugger/debugger-uncaught-promise-on-pause.html

   1 <html>
   2 <head>
   3 <script src="../../../http/tests/inspector/inspector-test.js"></script>
   4 <script src="../../../http/tests/inspector/console-test.js"></script>
   5 <script src="../../../http/tests/inspector/debugger-test.js"></script>
   6 <script>
   7
   8 function testFunction()
   9 {
  10     console.clear();
  11     debugger;
  12 }
  13
  14 function runPromises(source)
  15 {
  16     Promise.reject(new Error(source + ".err1"))
  17         .then()
  18         .then()
  19         .then(); // Last is unhandled.
  20
  21     var reject
  22     var m0 = new Promise(function(res, rej) { reject = rej; });
  23     var m1 = m0.then(function() {});
  24     var m2 = m0.then(function() {});
  25     var m3 = m0.then(function() {});
  26     var m4 = 0;
  27     m0.catch(function() {
  28         m2.catch(function() {
  29             m1.catch(function() {
  30                 m4 = m3.then(function() {}); // Unhandled.
  31             });
  32         });
  33     });
  34     reject(new Error(source + ".err2"));
  35 }
  36
  37 function runPromisesFromInspector()
  38 {
  39     // setTimeout to cut off VM call frames from the stack trace.
  40     setTimeout(function timeout() {
  41         runPromises("inspector")
  42     }, 0);
  43 }
  44
  45 function test()
  46 {
  47     InspectorTest.setQuiet(true);
  48     InspectorTest.startDebuggerTest(step1);
  49
  50     function step1()
  51     {
  52         InspectorTest.addConsoleViewSniffer(addMessage, true);
  53         InspectorTest.runTestFunctionAndWaitUntilPaused(didPause);
  54     }
  55
  56     function didPause(callFrames, reason, breakpointIds, asyncStackTrace)
  57     {
  58         InspectorTest.evaluateInPage("runPromisesFromInspector()", resumeExecution);
  59     }
  60
  61     function resumeExecution()
  62     {
  63         InspectorTest.resumeExecution();
  64     }
  65
  66     var count = 0;
  67     function addMessage(uiMessage)
  68     {
  69         if (uiMessage.toString().indexOf("inspector.err") !== -1)
  70             ++count;
  71         if (count === 2)
  72             InspectorTest.expandConsoleMessages(dump);
  73     }
  74
  75     function dump()
  76     {
  77         InspectorTest.dumpConsoleMessagesIgnoreErrorStackFrames();
  78         InspectorTest.completeTest();
  79     }
  80 }
  81
  82 </script>
  83 </head>
  84
  85 <body onload="runTest()">
  86 <p>
  87 Tests uncaught promise rejections fired during pause.
  88 </p>
  89
  90 </body>
  91 </html>