LanguageFeatures/Primary-constructors/static_processing_A09_t02.dart

// Copyright (c) 2026, 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 The following errors apply to formal parameters of a primary
/// constructor. Let `p` be a formal parameter of a primary constructor in a
/// class, mixin class, enum, or extension type declaration `D` named `C`:
/// ...
/// A compile-time error occurs if `p` has the modifier covariant, but not `var`.
///
/// @description Check that it is a compile-time error if a formal parameters of
/// a primary constructor has the modifier `covariant`, but not `var`. Test
/// classes.
/// @author sgrekhov22@gmail.com

// SharedOptions=--enable-experiment=primary-constructors

class C1(covariant x) {}
//       ^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified

class C2([covariant x]) {}
//        ^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified

class C3({covariant x = ''}) {}
//        ^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified

class C4({required covariant x}) {}
//                 ^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified

main() {
  print(C1);
  print(C2);
  print(C3);
  print(C4);
}