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// 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 Struct subclass declaration must
/// either have type int or double and be annotated with a NativeType
/// representing the native type, or must be of type Pointer or subtype of
/// Struct or Union.
///
/// @description Checks that it is a compile error if any of the field in Struct
/// subclass is not 'int', 'double' or 'Pointer' or subtype of 'Struct' or
/// 'Union'
/// @author sgrekhov@unipro.ru
/// @issue 44985
import "dart:ffi";
class S1 extends Struct {
@Int8()
external int i;
@Double()
external Double x;
// ^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
@Int32()
external Int32 y;
// ^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}
class S2 extends Struct {
@Int8()
external int i;
Struct? s;
//^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}
class S3 extends Struct {
@Int8()
external int i;
Union? u;
//^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}
void main() {
S1? s1;
S2? s2;
S3? s3;
}