| // Copyright (c) 2015, 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=--steal-breakpoints |
| |
| import 'package:observatory/service_io.dart'; |
| import 'package:test/test.dart'; |
| import 'test_helper.dart'; |
| import 'dart:async'; |
| |
| int counter = 0; |
| |
| void periodicTask(_) { |
| counter++; // Line 14. We set our breakpoint here. |
| if (counter % 1000 == 0) { |
| print('counter = $counter'); |
| } |
| } |
| |
| void startTimer() { |
| new Timer.periodic(const Duration(milliseconds: 10), periodicTask); |
| } |
| |
| var tests = <IsolateTest>[ |
| // Add a breakpoint and wait for it to be reached. |
| (Isolate isolate) async { |
| await isolate.rootLibrary.load(); |
| |
| // Set up a listener to wait for breakpoint events. |
| Completer completer = new Completer(); |
| var stream = await isolate.vm.getEventStream(VM.kDebugStream); |
| var subscription; |
| subscription = stream.listen((ServiceEvent event) { |
| if (event.kind == ServiceEvent.kPauseBreakpoint) { |
| print('Isolate paused at breakpoint'); |
| subscription.cancel(); |
| completer.complete(); |
| } |
| }); |
| |
| // Add the breakpoint. |
| var script = isolate.rootLibrary.scripts[0]; |
| var result = await isolate.addBreakpoint(script, 14); |
| expect(result is Breakpoint, isTrue); |
| |
| await completer.future; // Wait for breakpoint event to fire. |
| }, |
| |
| // We are at the breakpoint on line 14. |
| (Isolate isolate) async { |
| ServiceMap stack = await isolate.getStack(); |
| expect(stack.type, equals('Stack')); |
| expect(stack['frames'].length, greaterThanOrEqualTo(1)); |
| |
| Script script = stack['frames'][0].location.script; |
| await script.load(); |
| expect(script.name, endsWith('steal_breakpoint_test.dart')); |
| expect( |
| script.tokenToLine(stack['frames'][0].location.tokenPos), equals(14)); |
| }, |
| |
| // Resume |
| (Isolate isolate) async { |
| Completer completer = new Completer(); |
| var stream = await isolate.vm.getEventStream(VM.kDebugStream); |
| var subscription; |
| subscription = stream.listen((ServiceEvent event) { |
| if (event.kind == ServiceEvent.kResume) { |
| print('Isolate resumed'); |
| subscription.cancel(); |
| completer.complete(); |
| } |
| }); |
| isolate.resume(); |
| await completer.future; |
| }, |
| ]; |
| |
| main(args) => runIsolateTests(args, tests, testeeBefore: startTimer); |