matrixTest

/**
 * An implementation of the Matrix ADT. Provides four basic operations over an
 * immutable type.
 *
 * @author (your name), Ruben Acuna
 * @version (version)
 */
public class ser222_unit2b_hw02_base implements Matrix {

    //TODO: implement interface.


    /**
     * Entry point for matrix testing.
     * @param args the command line arguments
     */
    public static void main(String[] args) {

        int[][] data1 = new int[0][0];
        int[][] data2 = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
        int[][] data3 = {{1, 4, 7}, {2, 5, 8}, {3, 6, 9}};

        Matrix m1 = new ser222_unit12b_hw02_base(data1);
        Matrix m2 = new ser222_unit12b_hw02_base(data2);
        Matrix m3 = new ser222_unit12b_hw02_base(data3);

        System.out.println("m1 --> Rows: " + m1.getRows() + " Columns: " + m1.getColumns());
        System.out.println("m2 --> Rows: " + m2.getRows() + " Columns: " + m2.getColumns());
        System.out.println("m3 --> Rows: " + m3.getRows() + " Columns: " + m3.getColumns());

        //check for reference issues
        System.out.println("m2 -->\n" + m2);
        data2[1][1] = 101;
        System.out.println("m2 -->\n" + m2);

        //test equals
        System.out.println("m2==null: " + m2.equals(null));             //false
        System.out.println("m3==\"MATRIX\": " + m2.equals("MATRIX"));   //false
        System.out.println("m2==m1: " + m2.equals(m1));                 //false
        System.out.println("m2==m2: " + m2.equals(m2));                 //true
        System.out.println("m2==m3: " + m2.equals(m3));                 //false

        //test operations (valid)
        System.out.println("2 * m2:\n" + m2.scale(2));
        System.out.println("m2 + m3:\n" + m2.plus(m3));
        System.out.println("m2 - m3:\n" + m2.minus(m3));

        //test operations (invalid)
        //System.out.println("m1 + m2" + m1.plus(m2));
        //System.out.println("m1 - m2" + m1.minus(m2));
    }
}