| // Copyright (c) 2014, 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 = 2.9 |
| |
| // Test that generic types in mixins are handled. |
| |
| import 'package:expect/expect.dart'; |
| |
| class M<T> { |
| T field1 = 0; |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.INVALID_ASSIGNMENT |
| // [cfe] A value of type 'int' can't be assigned to a variable of type 'T'. |
| T field2 = 0 as dynamic; |
| } |
| |
| class A<U> {} |
| |
| class C1<V> = Object with M<V>; |
| class C2 = Object with M<int>; |
| class C3 = Object with M<String>; |
| |
| main() { |
| // no error: 0 is an int |
| new C1<int>(); |
| new C2(); |
| |
| // type error: 0 is not a string |
| Expect.throwsTypeError(() => new C1<String>()); |
| Expect.throws(() => new C3()); |
| } |