dart-sdk/tests/ffi_2/vmspecific_send_port_id_test.dart
Leaf Petersen b101a7d002 Add language versions to _2 test libraries
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>
2021-04-26 17:58:57 +00:00

39 lines
1.1 KiB
Dart

// 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.
// @dart = 2.9
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();
}