dart-sdk/tests/ffi/vmspecific_send_port_id_test.dart
Martin Kustermann c52acadd15 [vm/ffi] Split up some tests/ffi into vmspecific and non-vmspecific
The separation will allow flutter/flutter integration tests to run the
non-vmspecific parts.

Change-Id: I0e771f1247ec62d2f0c3faa95ee10560e62524f1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127144
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
2019-12-04 15:56:08 +00:00

37 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.
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();
}