blob: 772e84bffff8c4196ae19d7db4816b18607c82aa [file] [log] [blame] [edit]
// Copyright (c) 2019, 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.
import 'dart:async';
import 'dart:ffi';
import 'dart:isolate';
import 'package:expect/expect.dart';
typedef Dart_PostIntegerNFT = IntPtr Function(Int64 port, Int64 message);
typedef Dart_PostIntegerFT = int Function(int port, int message);
main() async {
const int message = 112344556677888;
final completer = Completer();
final receivePort =
ReceivePort()
..listen((receivedMessage) => completer.complete(receivedMessage));
final executableSymbols = DynamicLibrary.executable();
final postInteger = executableSymbols
.lookupFunction<Dart_PostIntegerNFT, Dart_PostIntegerFT>(
"Dart_PostInteger",
);
// Issue(dartbug.com/38545): The dart:ffi doesn't have a bool type yet.
final bool success =
postInteger(receivePort.sendPort.nativePort, message) != 0;
Expect.isTrue(success);
final postedMessage = await completer.future;
Expect.equals(message, postedMessage);
receivePort.close();
}