Chromium Code Reviews Chromium Code Reviews
Issue 131823003:
DevTools: Implement async call stacks for Promises. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk| OLD | NEW |
|---|---|
| (Empty) | |
| 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 timeoutPromise(value, ms) | |
| 8 { | |
| 9 return new Promise(function promiseCallback(resolve, reject) { | |
| 10 function resolvePromise() | |
| 11 { | |
| 12 resolve(value); | |
| 13 } | |
| 14 function rejectPromise() | |
| 15 { | |
| 16 reject(value); | |
| 17 } | |
| 18 if (value instanceof Error) | |
| 19 setTimeout(rejectPromise, ms || 0); | |
| 20 else | |
| 21 setTimeout(resolvePromise, ms || 0); | |
| 22 }); | |
| 23 } | |
| 24 | |
| 25 function settledPromise(value) | |
| 26 { | |
| 27 function resolveCallback(resolve, reject) | |
| 28 { | |
| 29 resolve(value); | |
| 30 } | |
| 31 function rejectCallback(resolve, reject) | |
| 32 { | |
| 33 reject(value); | |
| 34 } | |
| 35 if (value instanceof Error) | |
| 36 return new Promise(rejectCallback); | |
| 37 else | |
| 38 return new Promise(resolveCallback); | |
| 39 } | |
| 40 | |
| 41 function testFunction() | |
| 42 { | |
| 43 setTimeout(testFunctionTimeout, 0); | |
| 44 } | |
| 45 | |
| 46 function testFunctionTimeout() | |
| 47 { | |
| 48 var functions = [doTestPromiseConstructor, doTestSettledPromises, doTestChai nedPromises, doTestPromiseAll, doTestThrowFromChain, doTestPromiseResolveAndReje ct]; | |
|
yurys
2014/01/16 12:49:20
Will these functions be always executed in this or
aandrey
2014/01/16 14:15:29
You mean the "debugger" breaks?
Answer: NO.
We sor
| |
| 49 for (var i = 0; i < functions.length; ++i) | |
| 50 functions[i](); | |
| 51 } | |
| 52 | |
| 53 function thenCallback(value) | |
| 54 { | |
| 55 debugger; | |
| 56 } | |
| 57 | |
| 58 function errorCallback(error) | |
| 59 { | |
| 60 debugger; | |
| 61 } | |
| 62 | |
| 63 function doTestPromiseConstructor() | |
| 64 { | |
| 65 new Promise(function promiseCallback(resolve, reject) { | |
| 66 resolve(1); | |
| 67 debugger; | |
| 68 }); | |
| 69 } | |
| 70 | |
| 71 function doTestSettledPromises() | |
| 72 { | |
| 73 settledPromise("resolved").then(thenCallback, errorCallback); | |
| 74 settledPromise(Error("rejected")).then(thenCallback, errorCallback); | |
| 75 } | |
| 76 | |
| 77 function doTestChainedPromises() | |
| 78 { | |
| 79 timeoutPromise(1).then(function chained1() { | |
| 80 debugger; | |
| 81 return timeoutPromise(2); | |
| 82 }).then(function chained2() { | |
| 83 debugger; | |
| 84 return 3; | |
| 85 }).then(function chained3() { | |
| 86 debugger; | |
| 87 return settledPromise(4); | |
| 88 }).then(function chained4() { | |
| 89 debugger; | |
| 90 return timeoutPromise(5); | |
| 91 }).then(thenCallback, errorCallback); | |
| 92 | |
| 93 timeoutPromise(1) | |
| 94 .then(JSON.stringify) | |
| 95 .then(JSON.parse) | |
| 96 .then(function afterJSONStringifyAndParse() { | |
| 97 debugger; | |
| 98 }); | |
| 99 } | |
| 100 | |
| 101 function doTestPromiseAll() | |
| 102 { | |
| 103 Promise.all([11, 22, 33, 44, 55].map(timeoutPromise)) | |
| 104 .then(thenCallback, errorCallback); | |
| 105 } | |
| 106 | |
| 107 function doTestThrowFromChain() | |
| 108 { | |
| 109 timeoutPromise(1).then(function chained1() { | |
| 110 return timeoutPromise(2); | |
| 111 }).then(function chained2() { | |
| 112 return settledPromise(3); | |
| 113 }).then(function chained3() { | |
| 114 throw Error("thrown from chained3"); | |
| 115 }).then(function chained4() { | |
| 116 return timeoutPromise(5); | |
| 117 }).catch(function catchCallback() { | |
| 118 debugger; | |
| 119 }); | |
| 120 | |
| 121 timeoutPromise(1).then(function chained1() { | |
| 122 return timeoutPromise(2); | |
| 123 }).then(function chained2() { | |
| 124 return timeoutPromise(3); | |
| 125 }).then(function chained3() { | |
| 126 return timeoutPromise(Error(4)); | |
| 127 }).then(function chained4() { | |
| 128 return timeoutPromise(5); | |
| 129 }).catch(function catchCallback() { | |
| 130 debugger; | |
| 131 }); | |
| 132 } | |
| 133 | |
| 134 function doTestPromiseResolveAndReject() | |
| 135 { | |
| 136 Promise.resolve(1).then(thenCallback, errorCallback); | |
| 137 Promise.reject(Error("2")).then(thenCallback, errorCallback); | |
| 138 } | |
| 139 | |
| 140 var test = function() | |
| 141 { | |
| 142 var totalDebuggerStatements = 14; | |
| 143 var maxAsyncCallStackDepth = 4; | |
| 144 InspectorTest.runAsyncCallStacksTest(totalDebuggerStatements, maxAsyncCallSt ackDepth); | |
| 145 } | |
| 146 | |
| 147 </script> | |
| 148 </head> | |
| 149 | |
| 150 <body onload="runTest()"> | |
| 151 <p> | |
| 152 Tests asynchronous call stacks for Promises. | |
| 153 </p> | |
| 154 | |
| 155 </body> | |
| 156 </html> | |
| OLD | NEW |
