| // Copyright (c) 2017, 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. |
| |
| /*@testedFeatures=checks*/ |
| library test; |
| |
| typedef void F<T>(T x); |
| |
| class B<T, U extends F<T>> { |
| B<T, F<T>> operator +(other) => throw ''; |
| } |
| |
| class C { |
| B<num, F<num>> x = throw ''; |
| static B<num, F<num>> y = throw ''; |
| B<num, F<num>> operator [](int i) => throw ''; |
| void operator []=(int i, B<num, F<num>> v) {} |
| } |
| |
| void test1(B<num, F<num>> b) { |
| b /*@checkReturn=B<num, (num) -> void>*/ += 1; |
| var x = b /*@checkReturn=B<num, (num) -> void>*/ += 2; |
| } |
| |
| void test2(C c) { |
| c[0] /*@checkReturn=B<num, (num) -> void>*/ += 1; |
| var x = c[0] /*@checkReturn=B<num, (num) -> void>*/ += 2; |
| } |
| |
| void test3(C c) { |
| c.x /*@checkReturn=B<num, (num) -> void>*/ += 1; |
| var x = c.x /*@checkReturn=B<num, (num) -> void>*/ += 2; |
| } |
| |
| void test4(C c) { |
| C.y /*@checkReturn=B<num, (num) -> void>*/ += 1; |
| var x = C.y /*@checkReturn=B<num, (num) -> void>*/ += 2; |
| } |
| |
| void main() {} |