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// 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 test program for testing dart:ffi function pointers with callbacks.
//
// VMOptions=
// VMOptions=--use-slow-path
// SharedObjects=ffi_test_functions
import 'dart:io';
import 'dart:ffi';
import 'dart:isolate';
// Formatting can break multitests, so don't format them.
// dart format off
import "package:expect/expect.dart";
import 'callback_tests_utils.dart';
import 'dylib_utils.dart';
final testLibrary = dlopenPlatformSpecific("ffi_test_functions");
typedef ReturnVoid = Void Function();
void returnVoid() {}
testCallbackWrongThread() {
print("Test CallbackWrongThread.");
CallbackTest(
"CallbackWrongThread", Pointer.fromFunction<ReturnVoid>(returnVoid))
.run();
}
testCallbackOutsideIsolate() {
print("Test CallbackOutsideIsolate.");
CallbackTest("CallbackOutsideIsolate",
Pointer.fromFunction<ReturnVoid>(returnVoid))
.run();
}
isolateHelper(int callbackPointer) {
final Pointer<Void> ptr = Pointer.fromAddress(callbackPointer);
final NativeCallbackTestFn tester =
testLibrary.lookupFunction<NativeCallbackTest, NativeCallbackTestFn>(
"TestCallbackWrongIsolate");
Expect.equals(0, tester(ptr));
}
testCallbackWrongIsolate() async {
final int callbackPointer =
Pointer.fromFunction<ReturnVoid>(returnVoid).address;
final ReceivePort exitPort = ReceivePort();
await Isolate.spawn(isolateHelper, callbackPointer,
errorsAreFatal: true, onExit: exitPort.sendPort);
await exitPort.first;
}
void main() async {
// These tests terminate the process after successful completion, so we have
// to run them separately.
//
// Since they use signal handlers they only run on Linux.
if (Platform.isLinux && !const bool.fromEnvironment("dart.vm.product")) {
testCallbackWrongThread(); //# 01: ok
testCallbackOutsideIsolate(); //# 02: ok
await testCallbackWrongIsolate(); //# 03: ok
}
}