dart-sdk/tests/ffi_2/vmspecific_function_callbacks_negative_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

28 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 test program for testing dart:ffi function pointers with callbacks.
// @dart = 2.9
import 'dart:ffi';
import 'dylib_utils.dart';
final DynamicLibrary testLibrary = dlopenPlatformSpecific("ffi_test_functions");
// Correct type of exceptionalReturn argument to Pointer.fromFunction.
double testExceptionalReturn() {
Pointer.fromFunction<Double Function()>(returnVoid, null); //# 59: compile-time error
Pointer.fromFunction<Void Function()>(returnVoid, 0); //# 60: compile-time error
Pointer.fromFunction<Double Function()>(testExceptionalReturn, "abc"); //# 61: compile-time error
Pointer.fromFunction<Double Function()>(testExceptionalReturn, 0); //# 62: compile-time error
Pointer.fromFunction<Double Function()>(testExceptionalReturn); //# 63: compile-time error
return 0.0; // not used
}
void main() {
testExceptionalReturn();
}