| // Copyright (c) 2021, 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. |
| |
| /// @assertion All field declarations in a Union subclass declaration must |
| /// either have type int or float and be annotated with a NativeType |
| /// representing the native type, or must be of type Pointer. |
| /// |
| /// @description Checks that it is a compile error if double field is annotated |
| /// as IntPtr |
| /// @author sgrekhov@unipro.ru |
| |
| import "dart:ffi"; |
| |
| class U1 extends Union { |
| @IntPtr() |
| //^^^^^^^^^ |
| // [analyzer] unspecified |
| external double x; |
| // ^ |
| // [cfe] unspecified |
| } |
| |
| class U2 extends Union { |
| @IntPtr() |
| //^^^^^^^^^ |
| // [analyzer] unspecified |
| external double x; |
| // ^ |
| // [cfe] unspecified |
| } |
| |
| void main() { |
| U1? u1; |
| U2? u2; |
| } |
