blob: a630d6ac3f8073a97304d17f7e504706f1a5e6d9 [file] [log] [blame]
// Copyright (c) 2021, 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.
import 'dart:io';
import 'dart:math';
import 'package:dds/dds.dart';
import 'package:test/test.dart';
import 'package:vm_service/vm_service.dart';
import 'package:vm_service/vm_service_io.dart';
import 'common/test_helper.dart';
void main() {
late Process process;
late DartDevelopmentService dds;
setUp(() async {
// We don't care what's actually running in the target process for this
// test, so we're just using an existing one.
process = await spawnDartProcess(
pauseOnStart: false,
tearDown(() async {
await dds.shutdown();
Future<void> streamSubscribeUnsubscribe(
VmService client, {
required bool delay,
}) async {
await client.streamListen('Service');
await Future.delayed(
Duration(milliseconds: delay ? Random().nextInt(200) : 0),
await client.streamCancel('Service');
test('Ensure streamListen and streamCancel calls are handled atomically',
() async {
for (int i = 0; i < 100; ++i) {
dds = await DartDevelopmentService.startDartDevelopmentService(
expect(dds.isRunning, true);
final connection1 = await vmServiceConnectUri(dds.wsUri.toString());
final connection2 = await vmServiceConnectUri(dds.wsUri.toString());
await Future.wait([
streamSubscribeUnsubscribe(connection1, delay: true),
streamSubscribeUnsubscribe(connection2, delay: false),
await dds.shutdown();