| // 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. |
| |
| import 'dart:async'; |
| import 'test_helper.dart'; |
| import 'service_test_common.dart'; |
| import 'package:observatory/service_io.dart'; |
| import 'package:unittest/unittest.dart'; |
| |
| const int LINE_A = 28, LINE_B = 33; |
| |
| class VMServiceClient { |
| VMServiceClient(this.x); |
| close() => new Future.microtask(() => print("close")); |
| var x; |
| } |
| |
| collect() async { |
| var uri = "abc"; |
| var vmService; |
| await new Future.microtask(() async { |
| try { |
| vmService = new VMServiceClient(uri); |
| await new Future.microtask(() => throw new TimeoutException("here")); |
| } on dynamic { |
| vmService.close(); |
| rethrow; // LINE_A |
| } |
| }); |
| } |
| |
| test_code() async { // LINE_B |
| try { |
| await collect(); |
| } on TimeoutException { |
| print("ok"); |
| } |
| } |
| |
| Future<Isolate> stepThroughProgram(Isolate isolate) async { |
| Completer completer = new Completer(); |
| int pauseEventsSeen = 0; |
| |
| await subscribeToStream(isolate.vm, VM.kDebugStream, |
| (ServiceEvent event) async { |
| if (event.kind == ServiceEvent.kPauseBreakpoint) { |
| // We are paused: Step further. |
| pauseEventsSeen++; |
| isolate.stepInto(); |
| } else if (event.kind == ServiceEvent.kPauseExit) { |
| // We are at the exit: The test is done. |
| expect(pauseEventsSeen > 20, true, |
| reason: "Saw only $pauseEventsSeen pause events."); |
| await cancelStreamSubscription(VM.kDebugStream); |
| completer.complete(); |
| } |
| }); |
| isolate.resume(); |
| return completer.future; |
| } |
| |
| var tests = [hasPausedAtStart, |
| setBreakpointAtLine(LINE_B), |
| resumeIsolate, |
| hasStoppedAtBreakpoint, |
| setBreakpointAtLine(LINE_A), |
| resumeIsolate, |
| hasStoppedAtBreakpoint, |
| stepOut, |
| stoppedAtLine(LINE_B), |
| resumeIsolate]; |
| |
| main(args) => runIsolateTestsSynchronous(args, tests, |
| testeeConcurrent: test_code, pause_on_start: true, pause_on_exit: false); |