LanguageFeatures/nnbd/weak/static_errors_A01_t15.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 It is an error to call a method, setter, getter or operator on
/// an expression whose type is potentially nullable and not dynamic, except for
/// the methods, setters, getters, and operators on Object.
///
/// @description  Check that it is no compile-time error to call a method, setter,
/// getter or operator on an expression whose type is potentially nullable if
/// they are  methods, setters, getters, and operators on Object. Test
/// that methods of Object are allowed for the type <T* extends int?>
/// @author sgrekhov@unipro.ru

// Requirements=nnbd-weak
import "legacy_lib.dart";
import "../../../Utils/expect.dart";

main() {
  B<int?> b = new B<int?>(42);
  Expect.isNotNull(b.x.hashCode);
  Expect.isNotNull(b.x.toString());
  Expect.isNotNull(b.x.runtimeType);
  Expect.isFalse(b.x == new Object());
}