Ben Konyi
39e60fa3fc
Change-Id: I1a7548297fa8562ea81f3d4e32db2aba53661189 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/335960 Reviewed-by: Derek Xu <derekx@google.com> Commit-Queue: Ben Konyi <bkonyi@google.com>
85 lines
2.5 KiB
Dart
85 lines
2.5 KiB
Dart
// Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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//
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// Ensure that compute isolate can exit if paused on exit
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// BUG=https://github.com/dart-lang/sdk/issues/51164
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import 'dart:async';
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import 'dart:isolate' as iso;
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import 'package:test/test.dart';
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import 'package:vm_service/vm_service.dart';
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import 'common/service_test_common.dart';
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import 'common/test_helper.dart';
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Future<void> _compute() async {
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iso.ReceivePort();
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print('compute is done');
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}
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Future<void> testMain() async {
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await iso.Isolate.run(_compute);
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print('Done');
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}
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final tests = <IsolateTest>[
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hasPausedAtStart,
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(VmService service, IsolateRef isolateRef) async {
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final computeCompleter = Completer<void>();
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final mainCompleter = Completer<void>();
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final computeIsolate = Completer<String>();
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final mainIsolateId = isolateRef.id!;
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print('Main Isolate ID: $mainIsolateId');
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final stream = service.onDebugEvent;
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final subscription = stream.listen((Event event) async {
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final isolateId = event.isolate!.id!;
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print('debug stream event: $event ($isolateId)');
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switch (event.kind) {
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case EventKind.kPauseExit:
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if (isolateId != mainIsolateId) {
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expect(computeCompleter.isCompleted, false);
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computeCompleter.complete();
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} else {
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expect(mainCompleter.isCompleted, false);
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mainCompleter.complete();
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}
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break;
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case EventKind.kPauseStart:
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computeIsolate.complete(isolateId);
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}
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});
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await service.streamListen(EventStreams.kDebug);
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// Resume the main isolate, causing the compute isolate to start.
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await service.resume(mainIsolateId);
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// Wait for the compute isolate to pause on start.
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final computeIsolateId = await computeIsolate.future;
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await service.resume(computeIsolateId);
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// Wait for pause on exit for compute isolate
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await computeCompleter.future;
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// Resume compute isolate paused on exit
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await service.resume(computeIsolateId);
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// Ensure that main exits as well.
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await mainCompleter.future;
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await subscription.cancel();
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},
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];
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void main([args = const <String>[]]) => runIsolateTests(
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args,
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tests,
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'isolate_exit_resume_test.dart',
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pauseOnStart: true,
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pauseOnExit: true,
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testeeConcurrent: testMain,
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);
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