| /* |
| * Copyright (c) 2019, 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. |
| */ |
| /** |
| * @assertion In a migrated library, override checking must check that an |
| * override is consistent with all overridden methods from other migrated |
| * libraries in the super-interface chain, since a legacy library is permitted |
| * to override otherwise incompatible signatures for a method. |
| * |
| * @description Check that if opted-in class implements two classes with some |
| * method (one is legacy), compile time error is thrown if parent legacy method |
| * parameter is of any legacy type and child opted-in method parameter is |
| * [Never]. |
| * |
| * @author iarkh@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| |
| import "override_checking_legacy_lib.dart"; |
| |
| abstract class B1 { |
| void test_never(Never i); |
| } |
| |
| class A1 implements A { |
| void test_never(Never i) {} |
| // ^^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| int? test_return_nullable() => 1; |
| Null test_return_never() => null; |
| int? aField1 = 1; |
| int? aField2 = 2; |
| int? aField3 = 3; |
| int? get get_field1 => -1; |
| int? get get_field2 => -2; |
| int? get get_field3 => -3; |
| void set set_field1(int? i) {} |
| void set set_field2(int? i) {} |
| void set set_field3(int? i) {} |
| } |
| |
| main() {} |
