#2559. Add augmenting types tests. Part 1 (#2568)

LanguageFeatures/Augmentation-libraries/augmenting_types_A01_t01.dart

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+// Copyright (c) 2024, 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 It is a compile-time error if:
+///
+/// - The augmenting type and corresponding type are not the same kind: class,
+///   mixin, enum, or extension. You can't augment a class with a mixin, etc.
+///
+/// @description Checks that it is a compile-time error if an augmenting type
+/// and the corresponding type are not the same kind
+/// @author sgrekhov22@gmail.com
+
+// SharedOptions=--enable-experiment=macros
+
+import augment 'augmenting_types_A01_t01_lib1.dart';
+import augment 'augmenting_types_A01_t01_lib2.dart';
+
+class C {}
+
+mixin M {}
+
+enum E {e1;}
+
+main() {
+  print(C);
+  print(M);
+  print(E);
+}

LanguageFeatures/Augmentation-libraries/augmenting_types_A01_t01_lib1.dart

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+// Copyright (c) 2024, 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 It is a compile-time error if:
+///
+/// - The augmenting type and corresponding type are not the same kind: class,
+///   mixin, enum, or extension. You can't augment a class with a mixin, etc.
+///
+/// @description Checks that it is a compile-time error if an augmenting type
+/// and the corresponding type are not the same kind
+/// @author sgrekhov22@gmail.com
+
+// SharedOptions=--enable-experiment=macros
+
+library augment 'augmenting_types_A01_t01.dart';
+
+augment mixin C {}
+//            ^
+// [analyzer] unspecified
+// [cfe] unspecified
+
+augment class M {}
+//            ^
+// [analyzer] unspecified
+// [cfe] unspecified
+
+augment class E {}
+//            ^
+// [analyzer] unspecified
+// [cfe] unspecified

LanguageFeatures/Augmentation-libraries/augmenting_types_A01_t01_lib2.dart

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+// Copyright (c) 2024, 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 It is a compile-time error if:
+///
+/// - The augmenting type and corresponding type are not the same kind: class,
+///   mixin, enum, or extension. You can't augment a class with a mixin, etc.
+///
+/// @description Checks that it is a compile-time error if an augmenting type
+/// and the corresponding type are not the same kind
+/// @author sgrekhov22@gmail.com
+
+// SharedOptions=--enable-experiment=macros
+
+library augment 'augmenting_types_A01_t01.dart';
+
+augment enum C {}
+//           ^
+// [analyzer] unspecified
+// [cfe] unspecified
+
+augment enum M {}
+//           ^
+// [analyzer] unspecified
+// [cfe] unspecified
+
+augment mixin E {}
+//            ^
+// [analyzer] unspecified
+// [cfe] unspecified

LanguageFeatures/Augmentation-libraries/augmenting_types_A01_t02.dart

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+// Copyright (c) 2024, 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 It is a compile-time error if:
+///
+/// - The augmenting type and corresponding type are not the same kind: class,
+///   mixin, enum, or extension. You can't augment a class with a mixin, etc.
+///
+/// @description Checks that it is a compile-time error if an augmenting type
+/// and the corresponding type are not the same kind. Test type aliases
+/// @author sgrekhov22@gmail.com
+
+// SharedOptions=--enable-experiment=macros
+
+import augment 'augmenting_types_A01_t02_lib1.dart';
+import augment 'augmenting_types_A01_t02_lib2.dart';
+
+class C {}
+
+mixin M {}
+
+enum E {e1;}
+
+typedef CAlias = C;
+typedef MAlias = M;
+typedef EAlias = E;
+
+main() {
+  print(CAlias);
+  print(MAlias);
+  print(EAlias);
+}

LanguageFeatures/Augmentation-libraries/augmenting_types_A01_t02_lib1.dart

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+// Copyright (c) 2024, 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 It is a compile-time error if:
+///
+/// - The augmenting type and corresponding type are not the same kind: class,
+///   mixin, enum, or extension. You can't augment a class with a mixin, etc.
+///
+/// @description Checks that it is a compile-time error if an augmenting type
+/// and the corresponding type are not the same kind. Test type aliases
+/// @author sgrekhov22@gmail.com
+
+// SharedOptions=--enable-experiment=macros
+
+library augment 'augmenting_types_A01_t02.dart';
+
+augment mixin CAlias {}
+//            ^^^^^^
+// [analyzer] unspecified
+// [cfe] unspecified
+
+augment class MAlias {}
+//            ^^^^^^
+// [analyzer] unspecified
+// [cfe] unspecified
+
+augment class EAlias {}
+//            ^^^^^^
+// [analyzer] unspecified
+// [cfe] unspecified

LanguageFeatures/Augmentation-libraries/augmenting_types_A01_t02_lib2.dart

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+// Copyright (c) 2024, 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 It is a compile-time error if:
+///
+/// - The augmenting type and corresponding type are not the same kind: class,
+///   mixin, enum, or extension. You can't augment a class with a mixin, etc.
+///
+/// @description Checks that it is a compile-time error if an augmenting type
+/// and the corresponding type are not the same kind. Test type aliases
+/// @author sgrekhov22@gmail.com
+
+// SharedOptions=--enable-experiment=macros
+
+library augment 'augmenting_types_A01_t02.dart';
+
+augment enum CAlias {}
+//           ^^^^^^
+// [analyzer] unspecified
+// [cfe] unspecified
+
+augment enum MAlias {}
+//           ^^^^^^
+// [analyzer] unspecified
+// [cfe] unspecified
+
+augment mixin EAlias {}
+//            ^^^^^^
+// [analyzer] unspecified
+// [cfe] unspecified