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| 1 // Copyright 2017 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 InspectorTest.log('Checks that we report not more then maxDepth call chains.'); |
| 6 |
| 7 InspectorTest.addScript(` |
| 8 function promisesChain(num) { |
| 9 var p = Promise.resolve(); |
| 10 for (var i = 0; i < num - 1; ++i) { |
| 11 p = p.then(() => 42); |
| 12 } |
| 13 return p; |
| 14 } |
| 15 `); |
| 16 |
| 17 Protocol.Debugger.enable(); |
| 18 InspectorTest.runAsyncTestSuite([ |
| 19 async function testPaused() { |
| 20 let callback = '() => { debugger; }'; |
| 21 startTest({ generated: 8, limit: 16, callback}); |
| 22 dumpCaptured((await Protocol.Debugger.oncePaused()).params.asyncStackTrace); |
| 23 await Protocol.Debugger.resume(); |
| 24 |
| 25 startTest({ generated: 8, limit: 8, callback}); |
| 26 dumpCaptured((await Protocol.Debugger.oncePaused()).params.asyncStackTrace); |
| 27 await Protocol.Debugger.resume(); |
| 28 |
| 29 startTest({ generated: 8, limit: 7, callback}); |
| 30 dumpCaptured((await Protocol.Debugger.oncePaused()).params.asyncStackTrace); |
| 31 await Protocol.Debugger.resume(); |
| 32 |
| 33 startTest({ generated: 8, limit: 0, callback}); |
| 34 dumpCaptured((await Protocol.Debugger.oncePaused()).params.asyncStackTrace); |
| 35 await Protocol.Debugger.resume(); |
| 36 }, |
| 37 |
| 38 async function testConsoleTrace() { |
| 39 await Protocol.Runtime.enable(); |
| 40 let callback = '() => { console.trace(42); }'; |
| 41 startTest({ generated: 8, limit: 16, callback}); |
| 42 let msg = await Protocol.Runtime.onceConsoleAPICalled(); |
| 43 dumpCaptured(msg.params.stackTrace.parent); |
| 44 |
| 45 startTest({ generated: 8, limit: 8, callback}); |
| 46 msg = await Protocol.Runtime.onceConsoleAPICalled(); |
| 47 dumpCaptured(msg.params.stackTrace.parent); |
| 48 |
| 49 startTest({ generated: 8, limit: 7, callback}); |
| 50 msg = await Protocol.Runtime.onceConsoleAPICalled(); |
| 51 dumpCaptured(msg.params.stackTrace.parent); |
| 52 |
| 53 startTest({ generated: 8, limit: 0, callback}); |
| 54 msg = await Protocol.Runtime.onceConsoleAPICalled(); |
| 55 dumpCaptured(msg.params.stackTrace.parent); |
| 56 |
| 57 await Protocol.Runtime.disable(); |
| 58 } |
| 59 ]); |
| 60 |
| 61 function startTest(params) { |
| 62 InspectorTest.log('Actual call chain length: ' + params.generated); |
| 63 InspectorTest.log('setAsyncCallStackDepth(maxDepth): ' + params.limit); |
| 64 |
| 65 Protocol.Debugger.setAsyncCallStackDepth({maxDepth: params.limit}); |
| 66 Protocol.Runtime.evaluate({expression: |
| 67 `promisesChain(${params.generated}).then(${params.callback})`}); |
| 68 } |
| 69 |
| 70 function dumpCaptured(stack) { |
| 71 let count = 0; |
| 72 while (stack) { |
| 73 ++count; |
| 74 stack = stack.parent; |
| 75 } |
| 76 InspectorTest.log('reported: ' + count + '\n'); |
| 77 } |
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