Martin Kustermann
e9b56794fc
As a side-effect of making closures without captured variables have an empty context, we not only avoid a memory leak, but also allow such closures to be sent across [SendPort]s. Issue https://github.com/dart-lang/sdk/issues/36983 Issue https://github.com/dart-lang/sdk/issues/45603 TEST=vm/dart{_2,}/isolates/closures_without_captured_variables_test Change-Id: I5e8845203059ff625f7cff3f072d845b5e48ba36 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/212297 Commit-Queue: Martin Kustermann <kustermann@google.com> Reviewed-by: Slava Egorov <vegorov@google.com>
44 lines
995 B
Dart
44 lines
995 B
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=--no-enable-isolate-groups
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library illegal_msg_function_test;
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import "dart:isolate";
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import "package:expect/expect.dart";
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import "package:async_helper/async_helper.dart";
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echo(sendPort) {
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var port = new ReceivePort();
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sendPort.send(port.sendPort);
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port.listen((msg) {
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sendPort.send("echoing ${msg(1)}}");
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});
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}
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void main() {
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asyncStart();
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final port = new ReceivePort();
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// Ignore returned Future.
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Isolate.spawn(echo, port.sendPort);
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port.first.then((_snd) {
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SendPort snd = _snd;
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int function(x) => x + 2;
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try {
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snd.send(function);
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} catch (e) {
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// Expected behavior.
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port.close();
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asyncEnd();
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return;
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}
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Expect.fail("Should not be reached. Message sending didn't throw.");
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});
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}
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