| // Copyright 2017 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // TODO(kozyatinskiy): fix or remove it later with new stack traces it's almost |
| // imposible to hit limit. |
| let {session, contextGroup, Protocol} = InspectorTest.start('Checks that we report not more then maxDepth call chains.'); |
| |
| contextGroup.addScript(` |
| function promisesChain(num) { |
| var p = Promise.resolve(); |
| for (var i = 0; i < num - 1; ++i) { |
| p = p.then(() => 42); |
| } |
| return p; |
| } |
| `); |
| |
| Protocol.Debugger.enable(); |
| InspectorTest.runAsyncTestSuite([ |
| async function testPaused() { |
| let callback = '() => { debugger; }'; |
| startTest({ generated: 8, limit: 16, callback}); |
| dumpCaptured((await Protocol.Debugger.oncePaused()).params.asyncStackTrace); |
| await Protocol.Debugger.resume(); |
| |
| startTest({ generated: 8, limit: 8, callback}); |
| dumpCaptured((await Protocol.Debugger.oncePaused()).params.asyncStackTrace); |
| await Protocol.Debugger.resume(); |
| |
| startTest({ generated: 8, limit: 7, callback}); |
| dumpCaptured((await Protocol.Debugger.oncePaused()).params.asyncStackTrace); |
| await Protocol.Debugger.resume(); |
| |
| startTest({ generated: 8, limit: 0, callback}); |
| dumpCaptured((await Protocol.Debugger.oncePaused()).params.asyncStackTrace); |
| await Protocol.Debugger.resume(); |
| }, |
| |
| async function testConsoleTrace() { |
| await Protocol.Runtime.enable(); |
| let callback = '() => { console.trace(42); }'; |
| startTest({ generated: 8, limit: 16, callback}); |
| let msg = await Protocol.Runtime.onceConsoleAPICalled(); |
| dumpCaptured(msg.params.stackTrace.parent); |
| |
| startTest({ generated: 8, limit: 8, callback}); |
| msg = await Protocol.Runtime.onceConsoleAPICalled(); |
| dumpCaptured(msg.params.stackTrace.parent); |
| |
| startTest({ generated: 8, limit: 7, callback}); |
| msg = await Protocol.Runtime.onceConsoleAPICalled(); |
| dumpCaptured(msg.params.stackTrace.parent); |
| |
| startTest({ generated: 8, limit: 0, callback}); |
| msg = await Protocol.Runtime.onceConsoleAPICalled(); |
| dumpCaptured(msg.params.stackTrace.parent); |
| |
| await Protocol.Runtime.disable(); |
| } |
| ]); |
| |
| function startTest(params) { |
| InspectorTest.log('Actual call chain length: ' + params.generated); |
| InspectorTest.log('setAsyncCallStackDepth(maxDepth): ' + params.limit); |
| |
| Protocol.Debugger.setAsyncCallStackDepth({maxDepth: params.limit}); |
| Protocol.Runtime.evaluate({expression: |
| `promisesChain(${params.generated}).then(${params.callback})`}); |
| } |
| |
| function dumpCaptured(stack) { |
| let count = 0; |
| while (stack) { |
| ++count; |
| stack = stack.parent; |
| } |
| InspectorTest.log('reported: ' + count + '\n'); |
| } |