/**

 * Back 2 Browser Bytecode Translator

 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, version 2 of the License.

 *

 * This program 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 for more details.

 *

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

 * along with this program. Look for COPYING file in the top folder.

 * If not, see http://opensource.org/licenses/GPL-2.0.

 */

package org.apidesign.bck2brwsr.tck;

import org.apidesign.bck2brwsr.vmtest.Compare;

import org.apidesign.bck2brwsr.vmtest.VMTest;

import org.testng.annotations.Factory;

/**

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

public class IntegerArithmeticTest {

    private static int add(int x, int y) {

        return x + y;

    }

    private static int sub(int x, int y) {

        return x - y;

    }

    private static int mul(int x, int y) {

        return x * y;

    }

    private static int div(int x, int y) {

        return x / y;

    }

    private static int mod(int x, int y) {

        return x % y;

    }

    private static int neg(int x) {

        return (-x);

    }

    @Compare public int addOverflow() {

        return add(Integer.MAX_VALUE, 1);

    }

    @Compare public int subUnderflow() {

        return sub(Integer.MIN_VALUE, 1);

    }

    @Compare public int addMaxIntAndMaxInt() {

        return add(Integer.MAX_VALUE, Integer.MAX_VALUE);

    }

    @Compare public int subMinIntAndMinInt() {

        return sub(Integer.MIN_VALUE, Integer.MIN_VALUE);

    }

    @Compare public int multiplyMaxInt() {

        return mul(Integer.MAX_VALUE, 2);

    }

    @Compare public int multiplyMaxIntAndMaxInt() {

        return mul(Integer.MAX_VALUE, Integer.MAX_VALUE);

    }

    @Compare public int multiplyMinInt() {

        return mul(Integer.MIN_VALUE, 2);

    }

    @Compare public int multiplyMinIntAndMinInt() {

        return mul(Integer.MIN_VALUE, Integer.MIN_VALUE);

    }

    @Compare public int multiplyPrecision() {

        return mul(119106029, 1103515245);

    }

    @Compare public int division() {

        return div(1, 2);

    }

    @Compare public int divisionReminder() {

        return mod(1, 2);

    }

    @Compare public int negate() {

        return neg(123456);

    }

    @Compare public int negateMaxInt() {

        return neg(Integer.MAX_VALUE);

    }

    @Compare public int negateMinInt() {

        return neg(Integer.MIN_VALUE);

    }

    @Compare public int sumTwoDimensions() {

        int[][] matrix = createMatrix(4, 3);

        matrix[0][0] += 10;

        return matrix[0][0];

    }

    static int[][] createMatrix(int x, int y) {

        return new int[x][y];

    }

    @Factory

    public static Object[] create() {

        return VMTest.create(IntegerArithmeticTest.class);

    }

}