| // 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:observatory_2/service_io.dart'; |
| import 'package:test/test.dart'; |
| import 'service_test_common.dart'; |
| import 'test_helper.dart'; |
| |
| const LINE_A = 26; |
| const LINE_B = 19; |
| const LINE_C = 21; |
| |
| foobar() async* { |
| debugger(); |
| yield 1; // LINE_B. |
| debugger(); |
| yield 2; // LINE_C. |
| } |
| |
| helper() async { |
| debugger(); |
| print('helper'); // LINE_A. |
| await for (var i in foobar()) { |
| print('helper $i'); |
| } |
| } |
| |
| testMain() { |
| helper(); |
| } |
| |
| var tests = <IsolateTest>[ |
| hasStoppedAtBreakpoint, |
| stoppedAtLine(LINE_A), |
| (Isolate isolate) async { |
| ServiceMap stack = await isolate.getStack(); |
| // No causal frames because we are in a completely synchronous stack. |
| expect(stack['asyncCausalFrames'], isNull); |
| }, |
| resumeIsolate, |
| hasStoppedAtBreakpoint, |
| stoppedAtLine(LINE_B), |
| (Isolate isolate) async { |
| ServiceMap stack = await isolate.getStack(); |
| // Has causal frames (we are inside an async function) |
| expect(stack['asyncCausalFrames'], isNotNull); |
| }, |
| resumeIsolate, |
| hasStoppedAtBreakpoint, |
| stoppedAtLine(LINE_C), |
| (Isolate isolate) async { |
| ServiceMap stack = await isolate.getStack(); |
| // Has causal frames (we are inside a function called by an async function) |
| expect(stack['asyncCausalFrames'], isNotNull); |
| }, |
| ]; |
| |
| main(args) => runIsolateTestsSynchronous(args, tests, |
| testeeConcurrent: testMain, extraArgs: extraDebuggingArgs); |