LanguageFeatures/nnbd/override_checking_A02_SETTER_t11.dart

/*
 * 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 (one is
 * legacy) with some setter, opted-in setter of nullable type can override
 * legacy setter.
 *
 * @author iarkh@unipro.ru
 */
// SharedOptions=--enable-experiment=non-nullable

import "dart:async";
import "../../Utils/expect.dart";
import "override_checking_legacy_lib.dart";

void testme() {}

abstract class AA {
  void set setInt(int? i);
  void set setObject(Object? o);
  void set setDynamic(dynamic? d);
  void set setNull(Null? n);
  void set setFunction(Function? f);
  void set setFutureOr(FutureOr? f);
  void set setFutureOrInt(FutureOr<int>? f);
  void set setFutureOrFunction(FutureOr<Function>? f);
}

class A implements AA, LEGACY_SETTER {
  void set setInt(int? i) {
    Expect.isNull(i);
  }

  void set setObject(Object? o) {
    Expect.isNull(o);
  }

  void set setDynamic(dynamic d) {
    Expect.isNull(d);
  }

  void set setNull(Null n) {
  Expect.isNull(n);
  }

  void set setFunction(Function? f) {
    Expect.isNull(f);
  }

  void set setFutureOr(FutureOr f) {
    Expect.isNull(f);
  }

  void set setFutureOrInt(FutureOr<int>? f) {
    Expect.isNull(f);
  }

  void set setFutureOrFunction(FutureOr<Function>? f) {
    Expect.isNull(f);
  }
}

 main() {
  A a = A();

  a.setInt = null;
  a.setObject = null;
  a.setDynamic = null;
  a.setNull = null;
  a.setFunction = null;
  a.setFutureOr = null;
  a.setFutureOrInt = null;
  a.setFutureOrFunction = null;
}