| // 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_2/service_io.dart'; |
| import 'package:test/test.dart'; |
| |
| const int LINE_A = 14; |
| |
| code() { |
| var x = {}; // LINE_A |
| } |
| |
| Future 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 = <IsolateTest>[ |
| hasPausedAtStart, |
| markDartColonLibrariesDebuggable, |
| setBreakpointAtLine(LINE_A), |
| stepThroughProgram |
| ]; |
| |
| main(args) => runIsolateTestsSynchronous(args, tests, |
| testeeConcurrent: code, pause_on_start: true, pause_on_exit: true); |