/*

 * Copyright (c) 2009, 2013, 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 6371401

 * @summary Tests of shiftLeft and shiftRight on Integer.MIN_VALUE

 * @requires os.maxMemory >= 1g

 * @run main/othervm -Xmx512m ExtremeShiftingTests

 * @author Joseph D. Darcy

 */

import java.math.BigInteger;

import static java.math.BigInteger.*;

public class ExtremeShiftingTests {

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

        BigInteger bi = ONE.shiftLeft(Integer.MIN_VALUE);

        if (!bi.equals(ZERO))

            throw new RuntimeException("1 << " + Integer.MIN_VALUE);

        bi = ZERO.shiftLeft(Integer.MIN_VALUE);

        if (!bi.equals(ZERO))

            throw new RuntimeException("0 << " + Integer.MIN_VALUE);

        bi = BigInteger.valueOf(-1);

        bi = bi.shiftLeft(Integer.MIN_VALUE);

        if (!bi.equals(BigInteger.valueOf(-1)))

            throw new RuntimeException("-1 << " + Integer.MIN_VALUE);

        try {

            ONE.shiftRight(Integer.MIN_VALUE);

            throw new RuntimeException("1 >> " + Integer.MIN_VALUE);

        } catch (ArithmeticException ae) {

            ; // Expected

        }

        bi = ZERO.shiftRight(Integer.MIN_VALUE);

        if (!bi.equals(ZERO))

            throw new RuntimeException("0 >> " + Integer.MIN_VALUE);

        try {

            BigInteger.valueOf(-1).shiftRight(Integer.MIN_VALUE);

            throw new RuntimeException("-1 >> " + Integer.MIN_VALUE);

        } catch (ArithmeticException ae) {

            ; // Expected

        }

    }

}