/*
 * 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 if v is not null
 * @author sgrekhov@unipro.ru
 */
// SharedOptions=--enable-experiment=non-nullable
import "../../Utils/expect.dart";

class A {}

main() {
  A a1 = new A();
  A? a2 = a1;

  Expect.equals(a1, a1!);
  Expect.equals(a1, a2!);

  String? s = "Lily was here";
  Expect.equals("Lily was here", s!);
}