/*
 * test_alu.c
 * Testing file for the ALU module
 * Nikita Rao (nrao01) & Margaret Gorguissian (mgorgu01)
 * November 18, 2017
 */

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "alu.h"

void   test_addition();
void   test_multiplication();
void   test_division();
void   test_nand();
void test_alu();


int main()
{
        //test_addition();
        //test_multiplication();
        //test_division();
        //test_nand();
        test_alu();
}

/*void test_addition()
{
        word sum = add(0, 1);
        fprintf(stderr, "Adding 0 and 1: %u\n", sum);

        sum = add(1203, 1203);
        fprintf(stderr, "Adding 1203 and 1203: %u\n", sum);

        sum = add(555, 666);
        fprintf(stderr, "Adding 555 and 666: %u\n", sum);

        sum = add(0, 0);
        fprintf(stderr, "Adding 0 and 0: %u\n", sum);

        sum = add(4294967294, 1);
        fprintf(stderr, "Adding 4294967294 and 1: %u\n", sum);

        sum = add(4294967295, 1);
        fprintf(stderr, "Adding 4294967295 and 1: %u\n", sum);
}

void test_multiplication()
{
        word product = multiply(0, 1);
        fprintf(stderr, "Multiplying 0 and 1: %u\n", product);

        product = multiply(1073741823, 2);
        fprintf(stderr, "Multiplying 1073741823 and 2: %u\n", product);

        product = multiply(2.5, 2);
        fprintf(stderr, "Multiplying 2.5 and 2: %u\n", product);
}

void test_division()
{
        word quotient = divide (1, 1);
        fprintf(stderr, "Dividing 1 by 1: %u \n", quotient);

        quotient = divide (5, 2);
        fprintf(stderr, "Dividing 5 by 2: %u \n", quotient);

        quotient = divide (4294967295, 4);
        fprintf(stderr, "Dividing 4294967295 by 4: %u \n", quotient);

        quotient = divide (4294967295, -1);
        fprintf(stderr, "Dividing 4294967295 by -1: %u \n", quotient);
}

void test_nand()
{
        word result = nand (0, 0);
        fprintf(stderr, "nanding 0 and 0: %u \n", result);


        result = nand (4294967295, -1);
        fprintf(stderr, "nanding 4294967295 and -1: %u \n", result);

}*/

void test_alu()
{
        word result = perform_arithmetic(0, 1, 3);
        fprintf(stderr, "Adding 0 and 1: %u\n", result);

        result = perform_arithmetic(1, 1, 4);
        fprintf(stderr, "Multiplying 0 and 1: %u\n", result);

        result = perform_arithmetic(0, 0, 6);
        fprintf(stderr, "Nanding 0 and 0: %u\n", result);


        fprintf(stderr, "Attempting to divide by 0:\n" );
        result = perform_arithmetic(0, 0, 5);

}