third_party/WebKit/LayoutTests/inspector/console/console-uncaught-promise.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>
   6
   7 var tested = 0;
   8 function runNextPromiseTest()
   9 {
  10     ++tested;
  11     var name = "promiseTest" + tested;
  12     if (typeof window[name] !== "function")
  13         return false;
  14     // setTimeout to cut off VM call frames from the stack trace.
  15     setTimeout(function timeout() {
  16         window[name].call(window);
  17     }, 0);
  18     return true;
  19 }
  20
  21 function promiseTest1()
  22 {
  23     Promise.reject(new Error("err1"))
  24         .then()
  25         .then()
  26         .then(); // Last is unhandled.
  27 }
  28
  29 function promiseTest2()
  30 {
  31     var reject;
  32     var m0 = new Promise(function(res, rej) { reject = rej; });
  33     var m1 = m0.then(function() {});
  34     var m2 = m0.then(function() {});
  35     var m3 = m0.then(function() {});
  36     var m4 = 0;
  37     m0.catch(function() {
  38         m2.catch(function() {
  39             m1.catch(function() {
  40                 m4 = m3.then(function() {}); // Unhandled.
  41             });
  42         });
  43     });
  44     reject(new Error("err2"));
  45 }
  46
  47 function promiseTest3()
  48 {
  49     var reject;
  50     var p = new Promise(function(res, rej) {
  51         reject = rej;
  52     });
  53     p.then().catch(function catcher() {
  54         throwDOMException();
  55     });
  56     reject(new Error("FAIL: Should not be printed to console"));
  57
  58     function throwDOMException()
  59     {
  60         var a = document.createElement("div");
  61         var b = document.createElement("div");
  62         a.removeChild(b);
  63     }
  64 }
  65
  66 function promiseTest4()
  67 {
  68     Promise.reject(42);
  69 }
  70
  71 function promiseTest5()
  72 {
  73     Promise.reject(1e+100);
  74 }
  75
  76 function promiseTest6()
  77 {
  78     Promise.reject("foo");
  79 }
  80
  81 function promiseTest7()
  82 {
  83     Promise.reject({ foo: 42 });
  84 }
  85
  86 function promiseTest8()
  87 {
  88     Promise.reject();
  89 }
  90
  91 function promiseTest9()
  92 {
  93     navigator.serviceWorker.register('404');
  94 }
  95
  96 function test()
  97 {
  98     InspectorTest.addConsoleViewSniffer(checkConsoleMessages, true);
  99     WebInspector.console.showPromise();
 100
 101     checkConsoleMessages();
 102
 103     function checkConsoleMessages()
 104     {
 105         InspectorTest.evaluateInPage("runNextPromiseTest()", callback);
 106
 107         function callback(result)
 108         {
 109             if (!result.value)
 110                 InspectorTest.expandConsoleMessages(dump);
 111         }
 112     }
 113
 114     function dump()
 115     {
 116         InspectorTest.dumpConsoleMessagesIgnoreErrorStackFrames();
 117         InspectorTest.completeTest();
 118     }
 119 }
 120
 121 </script>
 122 </head>
 123
 124 <body onload="runTest()">
 125 <p>
 126 Tests that uncaught promise rejections are logged into console.
 127 </p>
 128
 129 </body>
 130 </html>