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https://github.com/dart-lang/sdk
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b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
40 lines
1.1 KiB
Dart
40 lines
1.1 KiB
Dart
// Copyright (c) 2019, 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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// @dart = 2.9
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import 'dart:async';
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import 'dart:ffi';
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import 'dart:isolate';
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import 'package:expect/expect.dart';
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typedef Dart_PostIntegerNFT = IntPtr Function(Int64 port, Int64 message);
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typedef Dart_PostIntegerFT = int Function(int port, int message);
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main() async {
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const int message = 112344556677888;
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final completer = Completer();
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final receivePort = ReceivePort()
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..listen((receivedMessage) => completer.complete(receivedMessage));
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final executableSymbols = DynamicLibrary.executable();
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final postInteger =
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executableSymbols.lookupFunction<Dart_PostIntegerNFT, Dart_PostIntegerFT>(
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"Dart_PostInteger");
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// Issue(dartbug.com/38545): The dart:ffi doesn't have a bool type yet.
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final bool success =
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postInteger(receivePort.sendPort.nativePort, message) != 0;
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Expect.isTrue(success);
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final postedMessage = await completer.future;
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Expect.equals(message, postedMessage);
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receivePort.close();
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}
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