// 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 The grammar of expressions is extended to allow any expression to
/// be suffixed with a !.
///
/// @description Check that any expression can be suffixed with a !
/// @author sgrekhov@unipro.ru

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

class C {}

test1(C c) {}

test2(Object o) {}

main() {
  var c = new C() as C?;
  test1(c!);

  var o = new Object() as Object?;
  test2(o!);

  var i = 42 as int?;
  test2(i!);

  Expect.throws(() {null!;});
}