/*

 * 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.

 *

 */

/*

 * @test

 * @bug 6850606

 * @summary Test BigDecimal.multiply(BigDecimal)

 * @author xlu

 */

import java.math.*;

import static java.math.BigDecimal.*;

public class MultiplyTests {

    private static int multiplyTests() {

        int failures = 0;

        BigDecimal[] bd1 = {

            new BigDecimal("123456789"),

            new BigDecimal("1234567898"),

            new BigDecimal("12345678987")

        };

        BigDecimal[] bd2 = {

            new BigDecimal("987654321"),

            new BigDecimal("8987654321"),

            new BigDecimal("78987654321")

        };

        // Two dimensonal array recording bd1[i] * bd2[j] &

        // 0 <= i <= 2 && 0 <= j <= 2;

        BigDecimal[][] expectedResults = {

            {new BigDecimal("121932631112635269"),

             new BigDecimal("1109586943112635269"),

             new BigDecimal("9751562173112635269")

            },

            { new BigDecimal("1219326319027587258"),

              new BigDecimal("11095869503027587258"),

              new BigDecimal("97515622363027587258")

            },

            { new BigDecimal("12193263197189452827"),

              new BigDecimal("110958695093189452827"),

              new BigDecimal("975156224183189452827")

            }

        };

        for (int i = 0; i < bd1.length; i++) {

            for (int j = 0; j < bd2.length; j++) {

                if (!bd1[i].multiply(bd2[j]).equals(expectedResults[i][j])) {

                    failures++;

                }

            }

        }

        BigDecimal x = BigDecimal.valueOf(8L, 1);

        BigDecimal xPower = BigDecimal.valueOf(-1L);

        try {

            for (int i = 0; i < 100; i++) {

                xPower = xPower.multiply(x);

            }

        } catch (Exception ex) {

            failures++;

        }

        return failures;

    }

    public static void main(String[] args) {

        int failures = 0;

        failures += multiplyTests();

        if (failures > 0) {

            throw new RuntimeException("Incurred " + failures +

                                       " failures while testing multiply.");

        }

    }

}