asiva
c559da805a
Migrate tests to be null safe. Change-Id: I29900379cb848a5acf01fceba6856f6233931099 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/140162 Commit-Queue: Siva Annamalai <asiva@google.com> Reviewed-by: Ben Konyi <bkonyi@google.com>
38 lines
1.0 KiB
Dart
38 lines
1.0 KiB
Dart
// Copyright (c) 2012, 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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// VMOptions=--enable-isolate-groups
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// VMOptions=--no-enable-isolate-groups
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// Dart test program for testing that isolates can spawn other isolates.
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library NestedSpawnTest;
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import 'dart:isolate';
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import 'package:async_helper/async_helper.dart';
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import 'package:expect/expect.dart';
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void isolateA(message) {
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message.add("isolateA");
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Isolate.spawn(isolateB, message);
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}
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void isolateB(message) {
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message.add("isolateB");
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message[0].send(message);
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}
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void main([args, port]) {
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// spawned isolates can spawn nested isolates
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ReceivePort port = new ReceivePort();
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Isolate.spawn(isolateA, [port.sendPort, "main"]);
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asyncStart();
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port.first.then((message) {
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Expect.equals("main", message[1]);
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Expect.equals("isolateA", message[2]);
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Expect.equals("isolateB", message[3]);
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asyncEnd();
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});
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}
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