| // 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. |
| |
| 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(); |
| } |