/*

 * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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 */

/*

 * @test

 * @bug 8206986

 * @summary Verify that an switch expression over enum can be exhaustive without default.

 * @compile ExhaustiveEnumSwitchExtra.java

 */

public class ExhaustiveEnumSwitch {

    public static void main(String... args) {

        new ExhaustiveEnumSwitch().run();

    }

    private void run() {

        ExhaustiveEnumSwitchEnum v = ExhaustiveEnumSwitchEnum.valueOf("F");

        try {

            print(v);

            throw new AssertionError("Expected exception did not occur.");

        } catch (IncompatibleClassChangeError err) {

            //ok

        }

    }

    private String print(ExhaustiveEnumSwitchEnum t) {

        return switch (t) {

            case A -> "A";

            case B -> "B";

        };

    }

}

enum ExhaustiveEnumSwitchEnum {

    A, B;

}