// Large Number Tester
//
// Author  Matthew Caryl
// Created 14.4.97

#include <iostream.h>
#include "LargeNumber.H"

const char space[] = " ";

void main(void)
{
    // all tests carried out with BIT_INCREMENT = 4
    
    // test large number creation
    {
        LargeNumber a;
        LargeNumber b(0);
        LargeNumber c(1);
        LargeNumber d(15);
        LargeNumber e(16);
        LargeNumber f(-1);
        LargeNumber g(-15);
        LargeNumber h(-16);
        LargeNumber i(a);
        LargeNumber j(c);
        LargeNumber k(d);
        LargeNumber l(e);
        LargeNumber m(f);
        LargeNumber n(g);
        LargeNumber o(h);
        
        cout << "0" << space << a << endl;
        cout << "0" << space << b << endl;
        cout << "1" << space << c << endl;
        cout << "15" << space << d << endl;
        cout << "0" << space << e << endl;
        cout << "-1" << space << f << endl;
        cout << "-15" << space << g << endl;
        cout << "0" << space << h << endl;
        cout << "0" << space << i << endl;
        cout << "1" << space << j << endl;
        cout << "15" << space << k << endl;
        cout << "0" << space << l << endl;
        cout << "-1" << space << m << endl;
        cout << "-15" << space << n << endl;
        cout << "0" << space << o << endl;
    }
    
    // test even, odd, length, bit, and sign
    {
        LargeNumber a(0);
        LargeNumber b(1);
        LargeNumber c(2);
        LargeNumber d(3);
        LargeNumber e(-1);
        
        cout << "1" << space << a.even() << endl;
        cout << "0" << space << a.odd() << endl;
        cout << "1" << space << a.length() << endl;
        cout << "0" << space << a.bit(0) << endl;
        cout << "0" << space << a.bit(1) << endl;
        cout << "0" << space << a.sign() << endl;
        cout << "0" << space << b.even() << endl;
        cout << "1" << space << b.odd() << endl;
        cout << "1" << space << b.length() << endl;
        cout << "1" << space << b.bit(0) << endl;
        cout << "0" << space << b.bit(1) << endl;
        cout << "0" << space << b.sign() << endl;
        cout << "1" << space << c.even() << endl;
        cout << "0" << space << c.odd() << endl;
        cout << "2" << space << c.length() << endl;
        cout << "0" << space << c.bit(0) << endl;
        cout << "1" << space << c.bit(1) << endl;
        cout << "0" << space << c.bit(2) << endl;
        cout << "0" << space << c.sign() << endl;
        cout << "0" << space << d.even() << endl;
        cout << "1" << space << d.odd() << endl;
        cout << "2" << space << d.length() << endl;
        cout << "1" << space << d.bit(0) << endl;
        cout << "1" << space << d.bit(1) << endl;
        cout << "0" << space << d.bit(2) << endl;
        cout << "0" << space << d.sign() << endl;
        cout << "0" << space << e.even() << endl;
        cout << "1" << space << e.odd() << endl;
        cout << "1" << space << e.length() << endl;
        cout << "1" << space << e.bit(0) << endl;
        cout << "0" << space << e.bit(1) << endl;
        cout << "1" << space << e.sign() << endl;
    }
    
    // test truncate and complement
    {
        LargeNumber a(0);
        LargeNumber b(1);
        LargeNumber c(15);
        LargeNumber d(-15);
        
        a.complement();
        cout << "0" << space << a << endl;
        a.complement();
        cout << "0" << space << a << endl;
        b.complement();
        cout << "-1" << space << b << endl;
        b.complement();
        cout << "1" << space << b << endl;
        c.complement();
        cout << "-15" << space << c << endl;
        c.complement();
        cout << "15" << space << c << endl;
        a.truncate(3);
        cout << "0" << space << a << endl;
        a.truncate(0);
        cout << "0" << space << a << endl;
        b.truncate(1);
        cout << "1" << space << b << endl;
        b.truncate(0);
        cout << "0" << space << b << endl;
        c.truncate(1);
        cout << "1" << space << c << endl;
        c.truncate(0);
        cout << "0" << space << c << endl;
        d.truncate(1);
        cout << "-1" << space << d << endl;
        d.truncate(0);
        cout << "0" << space << d << endl;
    }
    
    // test ==, !=, <, <=, >, and >=
    {
        LargeNumber a(0);
        LargeNumber b(1);
        LargeNumber c(15);
        LargeNumber d(-1);
        LargeNumber e(-15);
        
        cout << "1" << space << (a == a) << endl;
        cout << "0" << space << (a == b) << endl;
        cout << "1" << space << (b == b) << endl;
        cout << "0" << space << (b == c) << endl;
        cout << "0" << space << (b == d) << endl;
        cout << "1" << space << (c == c) << endl;
        cout << "1" << space << (e < d) << endl;
        cout << "1" << space << (d < a) << endl;
        cout << "1" << space << (a < b) << endl;
        cout << "1" << space << (b < c) << endl;
        cout << "0" << space << (a < a) << endl;
        cout << "0" << space << (b < e) << endl;
        cout << "1" << space << (a <= a) << endl;
        cout << "0" << space << (b <= d) << endl;
        cout << "0" << space << (b <= e) << endl;
        cout << "1" << space << (c > b) << endl;
        cout << "1" << space << (b > a) << endl;
        cout << "1" << space << (a > d) << endl;
        cout << "1" << space << (d > e) << endl;
        cout << "0" << space << (d > b) << endl;
        cout << "0" << space << (e > b) << endl;
        cout << "1" << space << (b >= b) << endl;
        cout << "1" << space << (b >= a) << endl;
        cout << "0" << space << (d >= b) << endl;
    }
    
    // test =
    {
        LargeNumber a(0);
        LargeNumber b(1);
        LargeNumber c(15);
        LargeNumber d(-1);
        LargeNumber e(-15);
        LargeNumber f;
        
        f = a;
        cout << "0" << space << f << endl;
        f = b;
        cout << "1" << space << f << endl;
        f = c;
        cout << "15" << space << f << endl;
        f = d;
        cout << "-1" << space << f << endl;
        f = e;
        cout << "-15" << space << f << endl;
        f = b;
        cout << "1" << space << f << endl;
        f = a;
        cout << "0" << space << f << endl;
        f = d;
        cout << "-1" << space << f << endl;
        f = a;
        cout << "0" << space << f << endl;
    }
    
    // test +=, -=
    {
        LargeNumber a(0);
        LargeNumber b(1);
        LargeNumber c(15);
        LargeNumber d(-1);
        LargeNumber e(-15);
        LargeNumber f, g;
        
        f += a;
        cout << "0" << space << f << endl;
        f += b;
        cout << "1" << space << f << endl;
        f += c;
        cout << "16" << space << f << endl;
        f += d;
        cout << "15" << space << f << endl;
        f += e;
        cout << "0" << space << f << endl;
        f += e;
        cout << "-15" << space << f << endl;
        f += d;
        cout << "-16" << space << f << endl;
        f += e;
        cout << "-31" << space << f << endl;
        f += d;
        cout << "-32" << space << f << endl;
        g -= a;
        cout << "0" << space << g << endl;
        g -= b;
        cout << "-1" << space << g << endl;
        g -= c;
        cout << "-16" << space << g << endl;
        g -= d;
        cout << "-15" << space << g << endl;
        g -= e;
        cout << "0" << space << g << endl;
        g -= e;
        cout << "15" << space << g << endl;
        g -= d;
        cout << "16" << space << g << endl;
        g -= e;
        cout << "31" << space << g << endl;
        g -= d;
        cout << "32" << space << g << endl;
    }
    
    // test <<=, >>=
    {
        LargeNumber a(0);
        LargeNumber b(1);
        LargeNumber c(15);
        LargeNumber d(-1);
        LargeNumber e(-15);
        LargeNumber f;
        
        f = a;
        f <<= 0;
        cout << "0" << space << f << endl;
        f <<= 1;
        cout << "0" << space << f << endl;
        f <<= -2;
        cout << "0" << space << f << endl;
        f = b;
        f <<= 0;
        cout << "1" << space << f << endl;
        f <<= 1;
        cout << "2" << space << f << endl;
        f <<= -2;
        cout << "0" << space << f << endl;
        f = c;
        f <<= 0;
        cout << "15" << space << f << endl;
        f <<= 1;
        cout << "30" << space << f << endl;
        f <<= -2;
        cout << "7" << space << f << endl;
        f = d;
        f <<= 0;
        cout << "-1" << space << f << endl;
        f <<= 1;
        cout << "-2" << space << f << endl;
        f <<= -2;
        cout << "0" << space << f << endl;
        f = e;
        f <<= 0;
        cout << "-15" << space << f << endl;
        f <<= 1;
        cout << "-30" << space << f << endl;
        f <<= -2;
        cout << "-7" << space << f << endl;
    }
    
    // test ++, --
    {
        LargeNumber a(0);
        LargeNumber b(1);
        LargeNumber c(15);
        LargeNumber d(-1);
        LargeNumber e(-15);
        
        cout << "1" << space << ++a << endl;
        cout << "1" << space << a << endl;
        --a;
        cout << "0" << space << a << endl;
        --a;
        cout << "-1" << space << a << endl;
        cout << "0" << space << --b << endl;
        cout << "0" << space << b << endl;
        --b;
        cout << "-1" << space << b << endl;
        --b;
        cout << "-2" << space << b << endl;
        ++c;
        cout << "16" << space << c << endl;
        --d;
        cout << "-2" << space << d << endl;
        ++d;
        cout << "-1" << space << d << endl;
        ++d;
        cout << "0" << space << d << endl;
        ++d;
        cout << "1" << space << d << endl;
        ++e;
        cout << "-14" << space << e << endl;
        --e;
        cout << "-15" << space << e << endl;
        --e;
        cout << "-16" << space << e << endl;
    }
    {
        LargeNumber a(0);
        LargeNumber b(1);
        LargeNumber c(15);
        LargeNumber d(-1);
        LargeNumber e(-15);
        
        cout << "0" << space << a++ << endl;
        cout << "1" << space << a << endl;
        a--;
        cout << "0" << space << a << endl;
        a--;
        cout << "-1" << space << a << endl;
        cout << "1" << space << b-- << endl;
        cout << "0" << space << b << endl;
        b--;
        cout << "-1" << space << b << endl;
        b--;
        cout << "-2" << space << b << endl;
        c++;
        cout << "16" << space << c << endl;
        d--;
        cout << "-2" << space << d << endl;
        d++;
        cout << "-1" << space << d << endl;
        d++;
        cout << "0" << space << d << endl;
        d++;
        cout << "1" << space << d << endl;
        e++;
        cout << "-14" << space << e << endl;
        e--;
        cout << "-15" << space << e << endl;
        e--;
        cout << "-16" << space << e << endl;
    }
    
    // test *=
    {
        LargeNumber a(0);
        LargeNumber b(1);
        LargeNumber c(15);
        LargeNumber d(-1);
        LargeNumber e(-15);
        LargeNumber f;
        
        f *= a;
        cout << "0" << space << f << endl;
        f *= b;
        cout << "0" << space << f << endl;
        f *= c;
        cout << "0" << space << f << endl;
        f *= d;
        cout << "0" << space << f << endl;
        f *= e;
        cout << "0" << space << f << endl;
        f = b;
        f *= b;
        cout << "1" << space << f << endl;
        f *= c;
        cout << "15" << space << f << endl;
        f *= d;
        cout << "-15" << space << f << endl;
        f *= e;
        cout << "225" << space << f << endl;
        f *= a;
        cout << "0" << space << f << endl;
        f = d;
        f *= b;
        cout << "-1" << space << f << endl;
        f *= c;
        cout << "-15" << space << f << endl;
        f *= d;
        cout << "15" << space << f << endl;
        f *= e;
        cout << "-225" << space << f << endl;
        f *= a;
        cout << "0" << space << f << endl;
        f = c;
        f *= b;
        cout << "15" << space << f << endl;
        f *= f;
        cout << "225" << space << f << endl;
    }
    
    // test /=
    {
        LargeNumber a(0);
        LargeNumber b(1);
        LargeNumber c(15);
        LargeNumber d(-1);
        LargeNumber e(-15);
        LargeNumber f;
        
        f = a;
        f /= b;
        cout << "0" << space << f << endl;
        f /= c;
        cout << "0" << space << f << endl;
        f /= d;
        cout << "0" << space << f << endl;
        f /= e;
        cout << "0" << space << f << endl;
        f = b;
        f /= b;
        cout << "1" << space << f << endl;
        f /= c;
        cout << "0" << space << f << endl;
        f = b;
        f /= d;
        cout << "-1" << space << f << endl;
        f /= e;
        cout << "0" << space << f << endl;
        f = c;
        f /= b;
        cout << "15" << space << f << endl;
        f /= c;
        cout << "1" << space << f << endl;
        f = c;
        f /= d;
        cout << "-15" << space << f << endl;
        f /= c;
        cout << "-1" << space << f << endl;
        f = d;
        f /= b;
        cout << "-1" << space << f << endl;
        f /= c;
        cout << "0" << space << f << endl;
        f = d;
        f /= d;
        cout << "1" << space << f << endl;
        f /= e;
        cout << "0" << space << f << endl;
        f = e;
        f /= b;
        cout << "-15" << space << f << endl;
        f /= c;
        cout << "-1" << space << f << endl;
        f = e;
        f /= d;
        cout << "15" << space << f << endl;
        f /= e;
        cout << "-1" << space << f << endl;
    }
    
    // test %=
    {
        LargeNumber a(0);
        LargeNumber b(1);
        LargeNumber c(15);
        LargeNumber d(-1);
        LargeNumber e(-15);
        LargeNumber f;
        LargeNumber g(7);
        LargeNumber h(-7);
        
        f = a;
        f %= b;
        cout << (0 % 1) << space << f << endl;
        f %= c;
        cout << (0 % 15) << space << f << endl;
        f %= d;
        cout << (0 % -1) << space << f << endl;
        f %= e;
        cout << (0 % -15) << space << f << endl;
        f = b;
        f %= b;
        cout << (1 % 1) << space << f << endl;
        f = b;
        f %= c;
        cout << (1 % 15) << space << f << endl;
        f = b;
        f %= d;
        cout << (1 % -1) << space << f << endl;
        f = b;
        f %= e;
        cout << (1 % -15) << space << f << endl;
        f = c;
        f %= b;
        cout << (15 % 1) << space << f << endl;
        f = c;
        f %= c;
        cout << (15 % 15) << space << f << endl;
        f = c;
        f %= d;
        cout << (15 % -1) << space << f << endl;
        f = c;
        f %= e;
        cout << (15 % -15) << space << f << endl;
        f = c;
        f %= g;
        cout << (15 % 7) << space << f << endl;
        f = c;
        f %= h;
        cout << (15 % -7) << space << f << endl;
        f = d;
        f %= b;
        cout << (-1 % 1) << space << f << endl;
        f = d;
        f %= c;
        cout << (-1 % 15) << space << f << endl;
        f = d;
        f %= d;
        cout << (-1 % -1) << space << f << endl;
        f = d;
        f %= e;
        cout << (-1 % -15) << space << f << endl;
        f = e;
        f %= b;
        cout << (-15 % 1) << space << f << endl;
        f = e;
        f %= c;
        cout << (-15 % 15) << space << f << endl;
        f = e;
        f %= d;
        cout << (-15 % -1) << space << f << endl;
        f = e;
        f %= e;
        cout << (-15 % -15) << space << f << endl;
        f = e;
        f %= g;
        cout << (-15 % 7) << space << f << endl;
        f = e;
        f %= h;
        cout << (-15 % -7) << space << f << endl;
    }
    
    // test &=, |=, and ^=
    {
        LargeNumber a(0);
        LargeNumber b(1);
        LargeNumber c(15);
        LargeNumber d(-1);
        LargeNumber e(-15);
        LargeNumber f;
        
        f = a;
        f &= b;
        cout << "0" << space << f << endl;
        f |= b;
        cout << "1" << space << f << endl;
        f ^= b;
        cout << "0" << space << f << endl;
        f &= c;
        cout << "0" << space << f << endl;
        f |= c;
        cout << "15" << space << f << endl;
        f ^= c;
        cout << "0" << space << f << endl;
        f &= d;
        cout << "0" << space << f << endl;
        f |= d;
        cout << "1" << space << f << endl;
        f ^= d;
        cout << "0" << space << f << endl;
        f &= e;
        cout << "0" << space << f << endl;
        f |= e;
        cout << "15" << space << f << endl;
        f ^= e;
        cout << "0" << space << f << endl;
        f = c;
        f &= b;
        cout << "1" << space << f << endl;
        f |= c;
        cout << "15" << space << f << endl;
        f ^= b;
        cout << "14" << space << f << endl;
        f = c;
        f &= d;
        cout << "1" << space << f << endl;
        f |= e;
        cout << "15" << space << f << endl;
        f ^= d;
        cout << "14" << space << f << endl;
        f = e;
        f &= b;
        cout << "-1" << space << f << endl;
        f |= c;
        cout << "-15" << space << f << endl;
        f ^= b;
        cout << "-14" << space << f << endl;
    }
    
    // test +, -
    // also counts for *, /, %, &, |, ^
    {
        LargeNumber a(0);
        LargeNumber b(1);
        LargeNumber c(15);
        LargeNumber d(-1);
        LargeNumber e(-15);
        LargeNumber f, g;
        
        f = f + a;
        cout << "0" << space << f << endl;
        f = f + b;
        cout << "1" << space << f << endl;
        f = f + c;
        cout << "16" << space << f << endl;
        f = f + d;
        cout << "15" << space << f << endl;
        f = f + e;
        cout << "0" << space << f << endl;
        f = f + e;
        cout << "-15" << space << f << endl;
        f = f + d;
        cout << "-16" << space << f << endl;
        f = f + e;
        cout << "-31" << space << f << endl;
        f = f + d;
        cout << "-32" << space << f << endl;
        g = g - a;
        cout << "0" << space << g << endl;
        g = g - b;
        cout << "-1" << space << g << endl;
        g = g - c;
        cout << "-16" << space << g << endl;
        g = g - d;
        cout << "-15" << space << g << endl;
        g = g - e;
        cout << "0" << space << g << endl;
        g = g - e;
        cout << "15" << space << g << endl;
        g = g - d;
        cout << "16" << space << g << endl;
        g = g - e;
        cout << "31" << space << g << endl;
        g = g - d;
        cout << "32" << space << g << endl;
    }
    
    // test speed of /
    {
        LargeNumber a(1);
        LargeNumber b;
        
        for (int i = 0; i < 200; i++)
            {
            b = a;
            b /= 1;
            cout << a << endl;
            a *= 2;
            a += 1;
            }
    }
    
    // test >>
    {
        LargeNumber a, b;
        
        cout << "Enter 0 : ";
        cin >> a;
        cout << "Result " << a << endl;
        cout << "Enter 1 : ";
        cin >> a;
        cout << "Result " << a << endl;
        cout << "Enter 15 : ";
        cin >> a;
        cout << "Result " << a << endl;
        cout << "Enter 16 : ";
        cin >> a;
        cout << "Result " << a << endl;
        cout << "Enter -1 : ";
        cin >> b;
        cout << "Result " << b << endl;
        cout << "Enter -15 : ";
        cin >> b;
        cout << "Result " << b << endl;
        cout << "Enter -16 : ";
        cin >> b;
        cout << "Result " << b << endl;
    }
    
    cout << "Finished successfully" << endl;
}