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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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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package test.java.math.BigDecimal;

/*
 * @test
 * @bug 6473768
 * @summary Tests of BigDecimal.compareTo
 * @author Joseph D. Darcy
 */

import java.math.*;
import static java.math.BigDecimal.*;

import org.testng.Assert;
import org.testng.annotations.Test;

// Android-changed: Replace error counting with asserts.
public class CompareToTests {

    @Test
    public void compareToTests() {
        final BigDecimal MINUS_ONE = BigDecimal.ONE.negate();

        // First operand, second operand, expected compareTo result
        BigDecimal [][] testCases = {
            // Basics
            {valueOf(0),        valueOf(0),     ZERO},
            {valueOf(0),        valueOf(1),     MINUS_ONE},
            {valueOf(1),        valueOf(2),     MINUS_ONE},
            {valueOf(2),        valueOf(1),     ONE},
            {valueOf(10),       valueOf(10),    ZERO},

            // Significands would compare differently than scaled value
            {valueOf(2,1),      valueOf(2),     MINUS_ONE},
            {valueOf(2,-1),     valueOf(2),     ONE},
            {valueOf(1,1),      valueOf(2),     MINUS_ONE},
            {valueOf(1,-1),     valueOf(2),     ONE},
            {valueOf(5,-1),     valueOf(2),     ONE},

            // Boundary and near boundary values
            {valueOf(Long.MAX_VALUE),            valueOf(Long.MAX_VALUE), ZERO},
            {valueOf(Long.MAX_VALUE).negate(),   valueOf(Long.MAX_VALUE), MINUS_ONE},

            {valueOf(Long.MAX_VALUE-1),          valueOf(Long.MAX_VALUE), MINUS_ONE},
            {valueOf(Long.MAX_VALUE-1).negate(), valueOf(Long.MAX_VALUE), MINUS_ONE},

            {valueOf(Long.MIN_VALUE),            valueOf(Long.MAX_VALUE), MINUS_ONE},
            {valueOf(Long.MIN_VALUE).negate(),   valueOf(Long.MAX_VALUE), ONE},

            {valueOf(Long.MIN_VALUE+1),          valueOf(Long.MAX_VALUE), MINUS_ONE},
            {valueOf(Long.MIN_VALUE+1).negate(), valueOf(Long.MAX_VALUE), ZERO},

            {valueOf(Long.MAX_VALUE),            valueOf(Long.MIN_VALUE), ONE},
            {valueOf(Long.MAX_VALUE).negate(),   valueOf(Long.MIN_VALUE), ONE},

            {valueOf(Long.MAX_VALUE-1),          valueOf(Long.MIN_VALUE), ONE},
            {valueOf(Long.MAX_VALUE-1).negate(), valueOf(Long.MIN_VALUE), ONE},

            {valueOf(Long.MIN_VALUE),            valueOf(Long.MIN_VALUE), ZERO},
            {valueOf(Long.MIN_VALUE).negate(),   valueOf(Long.MIN_VALUE), ONE},

            {valueOf(Long.MIN_VALUE+1),          valueOf(Long.MIN_VALUE), ONE},
            {valueOf(Long.MIN_VALUE+1).negate(), valueOf(Long.MIN_VALUE), ONE},
        };

        for (BigDecimal[] testCase : testCases) {
            BigDecimal a = testCase[0];
            BigDecimal a_negate = a.negate();
            BigDecimal b = testCase[1];
            BigDecimal b_negate = b.negate();
            int expected = testCase[2].intValue();

            compareToTest(a,        b,         expected);
            compareToTest(a_negate, b_negate, -expected);
        }
    }

    private static void compareToTest(BigDecimal a, BigDecimal b, int expected) {
        int result = a.compareTo(b);
        Assert.assertEquals(result, expected, "(" + a + ").compareTo(" + b + ") => " + result +
                               "\n\tExpected " + expected);
    }
}