| // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| // |
| // VMOptions=--lazy-async-stacks --verbose_debug |
| |
| import 'dart:developer'; |
| import 'package:test/test.dart'; |
| import 'package:vm_service/vm_service.dart'; |
| import 'common/service_test_common.dart'; |
| import 'common/test_helper.dart'; |
| |
| const LINE_C = 19; |
| const LINE_A = 25; |
| const LINE_B = 31; |
| |
| foobar() { |
| debugger(); |
| print('foobar'); // LINE_C. |
| } |
| |
| helper() async { |
| await 0; // Yield. The rest will run async. |
| debugger(); |
| print('helper'); // LINE_A. |
| foobar(); |
| } |
| |
| testMain() { |
| debugger(); |
| helper(); // LINE_B. |
| } |
| |
| var tests = <IsolateTest>[ |
| hasStoppedAtBreakpoint, |
| stoppedAtLine(LINE_B), |
| (VmService service, IsolateRef isolateRef) async { |
| Stack stack = await service.getStack(isolateRef.id!); |
| // No causal frames because we are in a completely synchronous stack. |
| // Async function hasn't yielded yet. |
| expect(stack.asyncCausalFrames, isNull); |
| }, |
| resumeIsolate, |
| hasStoppedAtBreakpoint, |
| stoppedAtLine(LINE_A), |
| (VmService service, IsolateRef isolateRef) async { |
| Stack stack = await service.getStack(isolateRef.id!); |
| // Async function has yielded once, so it's now running async. |
| expect(stack.asyncCausalFrames, isNotNull); |
| }, |
| resumeIsolate, |
| hasStoppedAtBreakpoint, |
| stoppedAtLine(LINE_C), |
| (VmService service, IsolateRef isolateRef) async { |
| Stack stack = await service.getStack(isolateRef.id!); |
| // Has causal frames (we are inside a function called by an async function) |
| expect(stack.asyncCausalFrames, isNotNull); |
| }, |
| ]; |
| |
| main(args) => runIsolateTestsSynchronous( |
| args, |
| tests, |
| 'causal_async_stack_presence_test.dart', |
| testeeConcurrent: testMain, |
| extraArgs: extraDebuggingArgs, |
| ); |