/*

 * Copyright (c) 2017, 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 8206986

 * @summary Check fall through in switch expressions.

 * @run main/othervm --enable-preview ExpressionSwitchFallThrough1

 */

import java.util.Objects;

public class ExpressionSwitchFallThrough1 {

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

        new ExpressionSwitchFallThrough1().test();

    }

    private void test() {

        assertEquals("01", printExprFallThrough(0));

        assertEquals("1", printExprFallThrough(1));

        assertEquals("other", printExprFallThrough(3));

        assertEquals("01", printStatementFallThrough(0));

        assertEquals("1", printStatementFallThrough(1));

        assertEquals("other", printStatementFallThrough(3));

    }

    private String printExprFallThrough(Integer p) {

        String result = "";

        return switch (p) {

            case 0: result += "0";

            case 1: result += "1";

                break result;

            default: break "other";

        };

    }

    private String printStatementFallThrough(Integer p) {

        String result = "";

        switch (p) {

            case 0: result += "0";

            case 1: result += "1";

                break ;

            default: result = "other";

                break;

        }

        return result;

    }

    private static void assertEquals(Object expected, Object actual) {

        if (!Objects.equals(actual, expected)) {

            throw new AssertionError("Unexpected result: " + actual + ", expected: " + expected);

        }

    }

}