LanguageFeatures/nnbd/extension_method_resolution_A02_t01.dart

// Copyright (c) 2020, 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 For the purposes of extension method resolution, there is no
/// special treatment of nullable types with respect to what members are
/// considered accessible. That is, the only members of a nullable type that are
/// considered accessible (and hence which take precedence over extensions) are
/// the members on Object.
///
/// @description Check that extension for non nullable is not applicable to the
/// nullable one
/// @author sgrekhov@unipro.ru

extension on int {
  bool get isEven => false;
}
main() {
  var i = 42 as int?;
  i.isEven;
//  ^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}