| // TODO(multitest): This was automatically migrated from a multitest and may |
| // contain strange or dead code. |
| |
| // Copyright (c) 2018, 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=inference*/ |
| library test; |
| |
| class A { |
| late B b; |
| } |
| |
| class B { |
| C? get c => null; |
| void set c(C? value) {} |
| } |
| |
| class C {} |
| |
| class D extends C {} |
| |
| class E extends C {} |
| |
| // Inferred type: A |
| var a = new A(); |
| |
| // Inferred type: C? |
| var x = a.b.c; |
| |
| // Inferred type: C |
| var y = a.b.c ??= new D(); |
| |
| test() { |
| // Verify the types of x and y by trying to assign to them. |
| |
| |
| |
| |
| |
| |
| } |
| |
| main() {} |
