// 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 An expression of the form e! evaluates e to a value v, throws a
/// runtime error if v is null, and otherwise evaluates to v.
///
/// @description Check that an expression of the form e! evaluates e to a value
/// v, throws no runtime error if v is not null. Test 42
/// @author sgrekhov@unipro.ru
/// @issue 39723

// Requirements=nnbd-strong

import "../../Utils/expect.dart";

extension on int {
  Object? call(int i) => null;
  Object? operator [](int index) => null;
}

main() {
  Expect.throws(() {42(2)!;});
  Expect.throws(() {42[24]!;});
}