| // 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=--verbose_debug --async_debugger |
| |
| import 'dart:developer'; |
| import 'package:observatory/models.dart' as M; |
| import 'package:observatory/service_io.dart'; |
| import 'package:unittest/unittest.dart'; |
| import 'service_test_common.dart'; |
| import 'test_helper.dart'; |
| |
| const LINE_C = 21; |
| const LINE_A = 27; |
| const LINE_B = 33; |
| const LINE_D = 28; |
| |
| foobar() async { |
| await null; |
| debugger(); |
| print('foobar'); // LINE_C. |
| } |
| |
| helper() async { |
| await null; |
| debugger(); |
| print('helper'); // LINE_A. |
| await foobar(); // LINE_D |
| } |
| |
| testMain() { |
| debugger(); |
| helper(); // LINE_B. |
| } |
| |
| var tests = <IsolateTest>[ |
| hasStoppedAtBreakpoint, |
| stoppedAtLine(LINE_B), |
| (Isolate isolate) async { |
| ServiceMap stack = await isolate.getStack(); |
| // No awaiter frames because we are in a completely synchronous stack. |
| expect(stack['awaiterFrames'], isNull); |
| }, |
| resumeIsolate, |
| hasStoppedAtBreakpoint, |
| stoppedAtLine(LINE_A), |
| resumeIsolate, |
| hasStoppedAtBreakpoint, |
| stoppedAtLine(LINE_C), |
| (Isolate isolate) async { |
| // Verify awaiter stack trace is the current frame + the awaiter. |
| ServiceMap stack = await isolate.getStack(); |
| expect(stack['awaiterFrames'], isNotNull); |
| List awaiterFrames = stack['awaiterFrames']; |
| |
| expect(awaiterFrames.length, greaterThanOrEqualTo(4)); |
| // Awaiter frame. |
| expect(await awaiterFrames[0].toUserString(), |
| stringContainsInOrder(['foobar', '.dart:$LINE_C'])); |
| // Awaiter frame. |
| expect(await awaiterFrames[1].toUserString(), |
| stringContainsInOrder(['helper', '.dart:$LINE_D'])); |
| // Suspension point. |
| expect(awaiterFrames[2].kind, equals(M.FrameKind.asyncSuspensionMarker)); |
| // Causal frame. |
| expect(await awaiterFrames[3].toUserString(), |
| stringContainsInOrder(['testMain', '.dart:$LINE_B'])); |
| }, |
| ]; |
| |
| main(args) => |
| runIsolateTestsSynchronous(args, tests, testeeConcurrent: testMain); |