| // Copyright (c) 2013, 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. |
| |
| import "package:expect/expect.dart"; |
| |
| class A<T> { |
| late T field; |
| } |
| |
| class B<T> { |
| T field = 42 as dynamic; |
| } |
| |
| main() { |
| var a = new A<String>(); |
| dynamic s = "string"; |
| |
| // This assignment is OK. |
| a.field = s; |
| |
| dynamic i = 42; |
| Expect.throwsTypeError(() => a.field = i); |
| |
| // Throws because the field initializer fails the implicit cast. |
| Expect.throwsTypeError(() => new B<String>()); |
| |
| // Throws because the assigned value fails the implicit cast. |
| var b = new B<int>(); |
| Expect.throwsTypeError(() => b.field = s); |
| } |
