|  | // Copyright (c) 2022, 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'; | 
|  |  | 
|  | final String expected = '$A'; | 
|  |  | 
|  | abstract class B { | 
|  | call<T>(); | 
|  | } | 
|  |  | 
|  | class C implements B { | 
|  | call<T>() => '$T'; | 
|  | } | 
|  |  | 
|  | abstract class A {} | 
|  |  | 
|  | class Wrapper { | 
|  | Wrapper(this.b, this.call); | 
|  | final B b; | 
|  | final B call; | 
|  | } | 
|  |  | 
|  | void main() { | 
|  | B b = C(); | 
|  | Expect.equals(b<A>(), expected); | 
|  | Expect.equals(Wrapper(b, b).b<A>(), expected); | 
|  | Expect.equals((Wrapper(b, b).b)<A>(), expected); | 
|  | Expect.equals(Wrapper(b, b).call<A>(), expected); | 
|  | Expect.equals((Wrapper(b, b).call)<A>(), expected); | 
|  | } |