| /* |
| * 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 and the first class is legacy, child opted in method in the second |
| * class can have argument of nullable type. |
| * |
| * @author iarkh@unipro.ru |
| */ |
| // Requirements=nnbd-weak |
| import "dart:async"; |
| import "../../../../Utils/expect.dart"; |
| import "override_checking_A02_opted_out_lib.dart"; |
| |
| abstract class B { |
| void test_int(int i); |
| void test_object(Object i); |
| void test_function(Function i); |
| } |
| |
| class A implements B, LEGACY_ARGS { |
| void test_int(int i) { Expect.equals(1, i); } |
| void test_object(Object i) { Expect.equals(1, i); } |
| void test_function(Function i) { Expect.equals(testme, i); } |
| |
| void test_futureOr(FutureOr i) {} |
| void test_dynamic(dynamic i) {} |
| void test_null(Null i) {} |
| } |
| |
| void testme() {} |
| |
| main() { |
| A a = A(); |
| |
| a.test_int(1); |
| a.test_object(1); |
| a.test_function(testme); |
| } |