Please help me with this entire C++ lab example. I know it looks long but i prom

Question

Please help me with this entire C++ lab example. I know it looks long but i promise most of it are just explanations. I will provide the given codes below the pictured instructions. thank you so much

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// iadrv.h

#ifndef _IADRV_H

#define _IADRV_H

#include "intarray.h"

int main();

void test1();

void test2();

void test3();

void test4();

void test5();

void test6();

void test7();

void test8();

void test9();

void test10();

void test11();

void test12();

void test13();

void test14();

void test15();

void test16();

void test17();

void test18();

void test19();

void test20();

void wait();

#endif

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// iadrv.cpp - driver program for testing IntArray class

#include <iostream>

#include <iomanip>

#include <fstream>

#include <stdlib.h>

#include "iadrv.h"

using namespace std;

ofstream csis;

int main() {

csis.open("csis.txt");

test1();

test2();

test3();

test4();

test5();

test6();

test7();

test8();

test9();

test10();

test11();

test12();

test13();

test14();

test15();

test16();

test17();

test18();

test19();

test20();

csis.close();

}

void test1() {

cout << "1. Array declared with single integer: IntArray a(10);" << endl << endl;

csis << "1. Array declared with single integer: IntArray a(10);" << endl << endl;

IntArray a(10);

for(int i = a.low(); i <= a.high(); i++)

a[i] = i * 10;

a.setName("a");

cout << a << endl;

csis << a << endl;

wait();

}

void test2() {

cout << "2. Array declared with two integers: IntArray b(-3, 6);" << endl << endl;

csis << "2. Array declared with two integers: IntArray b(-3, 6);" << endl << endl;

IntArray b(-3, 6);

for(int i = b.low(); i <= b.high(); i++)

b[i] = i * 10;

b.setName("b");

cout << b << endl;

csis << b << endl;

wait();

}

void test3() {

cout << "3. Array declared with two integers: IntArray c(6, 8);" << endl << endl;

csis << "3. Array declared with two integers: IntArray c(6, 8);" << endl << endl;

IntArray c(6, 8);

for(int i = c.low(); i <= c.high(); i++)

c[i] = i * 10;

c.setName("c");

cout << c << endl;

csis << c << endl;

wait();

}

void test4() {

cout << "4. Array declared with two identical integers: IntArray d(5, 5);" << endl << endl;

csis << "4. Array declared with two identical integers: IntArray d(5, 5);" << endl << endl;

IntArray d(5, 5);

for(int i = d.low(); i <= d.high(); i++)

d[i] = i * 10;

d.setName("d");

cout << d << endl;

csis << d << endl;

wait();

}

void test5() {

cout << "5. Array declared with no integers: IntArray z;" << endl << endl;

csis << "5. Array declared with no integers: IntArray z;" << endl << endl;

IntArray z;

for(int i = z.low(); i <= z.high(); i++)

z[i] = i * 10;

z.setName("z");

cout << z << endl;

csis << z << endl;

wait();

}

void test6() {

cout << "6. Array declared with another object of type IntArray: IntArray c(6, 8);" << endl;

cout << " Intarray e(c);" << endl << endl;

csis << "6. Array declared with another object of type IntArray: IntArray c(6, 8);" << endl;

csis << " Intarray e(c);" << endl << endl;

IntArray c(6, 8);

for(int i = c.low(); i <= c.high(); i++)

c[i] = i * 10;

c.setName("c");

cout << c << endl;

csis << c << endl;

IntArray e(c);

e.setName("e");

cout << e << endl;

csis << e << endl;

wait();

}

void test7() {

cout << "7. Array assigned to another array w/ different indices: IntArray f(1, 4);" << endl;

cout << " IntArray g(5, 8);" << endl;

cout << " f = g;" << endl << endl;

csis << "7. Array assigned to another array w/ different indices: IntArray f(1, 4);" << endl;

csis << " IntArray g(5, 8);" << endl;

csis << " f = g;" << endl << endl;

IntArray f(1, 4);

for(int i = f.low(); i <= f.high(); i++)

f[i] = i * 10;

f.setName("f");

cout << f << endl;

csis << f << endl;

IntArray g(5, 8);

for(int i = g.low(); i <= g.high(); i++)

g[i] = i * 10;

g.setName("g");

cout << g << endl;

csis << g << endl;

wait();

f = g;

cout << f << endl;

cout << g << endl;

csis << f << endl;

csis << g << endl;

wait();

}

void test8() {

cout << "8. Multiple array assignment with different indices: IntArray j(3, 6);" << endl;

cout << " IntArray k(6, 9);" << endl;

cout << " IntArray l(1, 4);" << endl;

cout << " j = k = l;" << endl << endl;

  

csis << "8. Multiple array assignment with different indices: IntArray j(3, 6);" << endl;

csis << " IntArray k(6, 9);" << endl;

csis << " IntArray l(1, 4);" << endl;

csis << " j = k = l;" << endl << endl;

IntArray j(3, 6);

for(int i = j.low(); i <= j.high(); i++)

j[i] = i * 10;

j.setName("j");

cout << j << endl;

csis << j << endl;

IntArray k(6, 9);

for(int i = k.low(); i <= k.high(); i++)

k[i] = i * 10;

k.setName("k");

cout << k << endl;

csis << k << endl;

IntArray l(1, 4);

for(int i = l.low(); i <= l.high(); i++)

l[i] = i * 10;

l.setName("l");

cout << l << endl;

csis << l << endl;

wait();

j = k = l;

cout << j << endl;

cout << k << endl;

cout << l << endl;

csis << j << endl;

csis << k << endl;

csis << l << endl;

wait();

}

void test9() {

cout << "9. Overloaded equality operator (identical elements): IntArray m(3, 7);" << endl;

cout << " IntArray n(1, 5);" << endl;

cout << " m == n" << endl << endl;

csis << "9. Overloaded equality operator (identical elements): IntArray m(3, 7);" << endl;

csis << " IntArray n(1, 5);" << endl;

csis << " m == n" << endl << endl;

IntArray m(3, 7);

for(int i = m.low(); i <= m.high(); i++)

m[i] = i * 10;

m.setName("m");

cout << m << endl;

csis << m << endl;

IntArray n(1, 5);

for(int i = n.low(); i <= n.high(); i++)

n[i] = i * 10;

n.setName("n");

cout << n << endl;

csis << n << endl;

wait();

  

m = n;

cout << m << endl;

cout << n << endl;

cout << "Returns " << (m == n ? "True." : "False.") << endl << endl;

csis << m << endl;

csis << n << endl;

csis << "Returns " << (m == n ? "True." : "False.") << endl << endl;

wait();

}

void test10() {

cout << "10. Overloaded equality operator (different elements): IntArray o(3, 7);" << endl;

cout << " IntArray p(1, 5);" << endl;

cout << " o == p" << endl << endl;

csis << "10. Overloaded equality operator (different elements): IntArray o(3, 7);" << endl;

csis << " IntArray p(1, 5);" << endl;

csis << " o == p" << endl << endl;

IntArray o(3, 7);

for(int i = o.low(); i <= o.high(); i++)

o[i] = i * 10;

o.setName("o");

cout << o << endl;

csis << o << endl;

IntArray p(1, 5);

for(int i = p.low(); i <= p.high(); i++)

p[i] = i * 10;

p.setName("p");

cout << p << endl;

cout << "Returns " << (o == p ? "True." : "False.") << endl << endl;

csis << p << endl;

csis << "Returns " << (o == p ? "True." : "False.") << endl << endl;

wait();

}

void test11() {

cout << "11. Overloaded equality operator (different size arrays): IntArray q(1, 3);" << endl;

cout << " IntArray r(1, 4);" << endl;

cout << " q == r;" << endl << endl;

csis << "11. Overloaded equality operator (different size arrays): IntArray q(1, 3);" << endl;

csis << " IntArray r(1, 4);" << endl;

csis << " q == r;" << endl << endl;

IntArray q(1, 3);

for(int i = q.low(); i <= q.high(); i++)

q[i] = i * 10;

q.setName("q");

cout << q << endl;

csis << q << endl;

IntArray r(1, 4);

for(int i = r.low(); i <= r.high(); i++)

r[i] = i * 10;

r.setName("r");

cout << r << endl;

cout << "Returns " << (q == r ? "True." : "False.") << endl << endl;

csis << r << endl;

csis << "Returns " << (q == r ? "True." : "False.") << endl << endl;

wait();

}

void test12() {

cout << "12. Overloaded inequality operator (identical elements): IntArray s(3, 7);" << endl;

cout << " IntArray t(1, 5);" << endl;

cout << " s != t;" << endl << endl;

csis << "12. Overloaded inequality operator (identical elements): IntArray s(3, 7);" << endl;

csis << " IntArray t(1, 5);" << endl;

csis << " s != t;" << endl << endl;

IntArray s(3, 7);

for(int i = s.low(); i <= s.high(); i++)

s[i] = i * 10;

s.setName("s");

cout << s << endl;

csis << s << endl;

IntArray t(1, 5);

for(int i = t.low(); i <= t.high(); i++)

t[i] = i * 10;

t.setName("t");

cout << t << endl;

csis << t << endl;

wait();

s = t;

cout << s << endl;

cout << t << endl;

cout << "Returns " << (s != t ? "True." : "False.") << endl << endl;

csis << s << endl;

csis << t << endl;

csis << "Returns " << (s != t ? "True." : "False.") << endl << endl;

wait();

}

void test13() {

cout << "13. Overloaded inequality operator (different elements): IntArray u(3, 7);" << endl;

cout << " IntArray v(1, 5);" << endl;

cout << " u != v;" << endl << endl;

csis << "13. Overloaded inequality operator (different elements): IntArray u(3, 7);" << endl;

csis << " IntArray v(1, 5);" << endl;

csis << " u != v;" << endl << endl;

IntArray u(3, 7);

for(int i = u.low(); i <= u.high(); i++)

u[i] = i * 10;

u.setName("u");

cout << u << endl;

csis << u << endl;

IntArray v(1, 5);

for(int i = v.low(); i <= v.high(); i++)

v[i] = i * 10;

v.setName("v");

cout << v << endl;

cout << "Returns " << (u != v ? "True." : "False.") << endl << endl;

csis << v << endl;

csis << "Returns " << (u != v ? "True." : "False.") << endl << endl;

wait();

}

void test14() {

cout << "14. Overloaded inequality operator (different size arrays): IntArray w(1, 3);" << endl;

cout << " IntArray x(1, 4);" << endl;

cout << " w != x;" << endl << endl;

csis << "14. Overloaded inequality operator (different size arrays): IntArray w(1, 3);" << endl;

csis << " IntArray x(1, 4);" << endl;

csis << " w != x;" << endl << endl;

IntArray w(1, 3);

for(int i = w.low(); i <= w.high(); i++)

w[i] = i * 10;

w.setName("w");

cout << w << endl;

csis << w << endl;

IntArray x(1, 4);

for(int i = x.low(); i <= x.high(); i++)

x[i] = i * 10;

x.setName("x");

cout << x << endl;

cout << "Returns " << (w != x ? "True." : "False.") << endl << endl;

csis << x << endl;

csis << "Returns " << (w != x ? "True." : "False.") << endl << endl;

wait();

}

void test15() {

cout << "15. Sum of two arrays assigned to third array: IntArray a(1, 5);" << endl;

cout << " IntArray b(4, 8);" << endl;

cout << " IntArray c = a + b;" << endl << endl;

csis << "15. Sum of two arrays assigned to third array: IntArray a(1, 5);" << endl;

csis << " IntArray b(4, 8);" << endl;

csis << " IntArray c = a + b;" << endl << endl;

IntArray a(1, 5);

for(int i = a.low(); i <= a.high(); i++)

a[i] = i * 10;

a.setName("a");

cout << a << endl;

csis << a << endl;

IntArray b(4, 8);

for(int i = b.low(); i <= b.high(); i++)

b[i] = i * 10;

b.setName("b");

cout << b << endl;

csis << b << endl;

wait();

IntArray c = a + b;

c.setName("c");

cout << c << endl;

csis << c << endl;

wait();

}

void test16() {

cout << "16. Sum of two arrays assigned to first array: IntArray d(10, 13);" << endl;

cout << " IntArray e(30, 33);" << endl;

cout << " d += e;" << endl << endl;

csis << "16. Sum of two arrays assigned to first array: IntArray d(10, 13);" << endl;

csis << " IntArray e(30, 33);" << endl;

csis << " d += e;" << endl << endl;

IntArray d(10, 13);

for(int i = d.low(); i <= d.high(); i++)

d[i] = i * 10;

d.setName("d");

cout << d << endl;

csis << d << endl;

IntArray e(30, 33);

for(int i = e.low(); i <= e.high(); i++)

e[i] = i * 10;

e.setName("e");

cout << e << endl;

csis << e << endl;

d += e;

cout << d << endl;

csis << d << endl;

wait();

}

void test17() {

cout << "17. Array declared with illegal array bounds: IntArray f(5, 2);" << endl << endl;

csis << "17. Array declared with illegal array bounds: IntArray f(5, 2);" << endl << endl;

IntArray f(5, 2);

for(int i = f.low(); i <= f.high(); i++)

f[i] = i * 10;

f.setName("f");

cout << f << endl;

csis << f << endl;

wait();

}

void test18() {

cout << "18. Array with index out of range: IntArray g(10);" << endl;

cout << " g[10] = 1;" << endl << endl;

csis << "18. Array with index out of range: IntArray g(10);" << endl;

csis << " g[10] = 1;" << endl << endl;

IntArray g(10);

for(int i = g.low(); i <= g.high(); i++)

g[i] = i * 10;

g.setName("g");

cout << g << endl;

csis << g << endl;

g[10] = 1;

wait();

}

void test19() {

cout << "19. Arrays with length mismatch: IntArray m(1, 4);" << endl;

cout << " IntArray n(2, 4);" << endl;

cout << " m = n;" << endl << endl;

csis << "19. Arrays with length mismatch: IntArray m(1, 4);" << endl;

csis << " IntArray n(2, 4);" << endl;

csis << " m = n;" << endl << endl;

IntArray m(1, 4);

for(int i = m.low(); i <= m.high(); i++)

m[i] = i * 10;

m.setName("m");

cout << m << endl;

csis << m << endl;

IntArray n(2, 4);

for(int i = n.low(); i <= n.high(); i++)

n[i] = i * 10;

n.setName("n");

cout << n << endl;

csis << n << endl;

wait();

m = n;

cout << m << endl;

cout << n << endl;

csis << m << endl;

csis << n << endl;

wait();

}

void test20() {

cout << "20. Array subscript operator: IntArray o(7, 8);" << endl;

cout << " o[7] = 25;" << endl;

cout << " o[8] = o[7];" << endl << endl;

csis << "20. Array subscript operator: IntArray o(7, 8);" << endl;

csis << " o[7] = 25;" << endl;

csis << " o[8] = o[7];" << endl << endl;

IntArray o(7, 8);

for(int i = o.low(); i <= o.high(); i++)

o[i] = i * 10;

o.setName("o");

cout << o << endl;

csis << o << endl;

o[7] = 25;

o[8] = o[7];

cout << o << endl;

csis << o << endl;

wait();

}

void wait() {

char buf;

  

cout << "Press any key to continue." << endl;

cin.get(buf);

}

Explanation / Answer

main.cpp
--------------------
#include <iostream>
#include <iomanip>
#include <fstream>
#include <stdlib.h>
#include "iadrv.h"
#include "IntArray.h"
using namespace std;
ofstream csis;
void wait() ;
int main() {
    csis.open("csis");
    test1();
    test2();
    test3();
    test4();
    test5();
    test6();
    test7();
    test8();
    test9();
    test10();
    test11();
    test12();
    test13();
    test14();
    test15();
    test16();
    test17();
    test18();
    test19();
    test20();
    csis.close();}
void test1() {
    cout << "1. Array declared with single integer: IntArray a(10);" << endl << endl;
    csis << "1. Array declared with single integer: IntArray a(10);" << endl << endl;
    IntArray a(10);
    for(int i = a.low(); i <= a.high(); i++)
        a[i] = i * 10;
    a.setName("a");
    cout << a << endl;
    csis << a << endl;
    wait();}
void test2() {
    cout << "2. Array declared with two integers: IntArray b(-3, 6);" << endl << endl;
    csis << "2. Array declared with two integers: IntArray b(-3, 6);" << endl << endl;
    IntArray b(-3, 6);
    for(int i = b.low(); i <= b.high(); i++)
        b[i] = i * 10;
    b.setName("b");
    cout << b << endl;
    csis << b << endl;
    wait();}
void test3() {
    cout << "3. Array declared with two integers: IntArray c(6, 8);" << endl << endl;
    csis << "3. Array declared with two integers: IntArray c(6, 8);" << endl << endl;
    IntArray c(6, 8);
    for(int i = c.low(); i <= c.high(); i++)
        c[i] = i * 10;
    c.setName("c");
    cout << c << endl;
    csis << c << endl;
    wait();}
void test4() {
    cout << "4. Array declared with two identical integers: IntArray d(5, 5);" << endl << endl;
    csis << "4. Array declared with two identical integers: IntArray d(5, 5);" << endl << endl;
    IntArray d(5, 5);
    for(int i = d.low(); i <= d.high(); i++)
        d[i] = i * 10;
    d.setName("d");
    cout << d << endl;
    csis << d << endl;
    wait();}
void test5() {
    cout << "5. Array declared with no integers: IntArray z;" << endl << endl;
    csis << "5. Array declared with no integers: IntArray z;" << endl << endl;
    IntArray z;
    for(int i = z.low(); i <= z.high(); i++)
        z[i] = i * 10;
    z.setName("z");
    cout << z << endl;
    csis << z << endl;
    wait();}
void test6() {
    cout << "6. Array declared with another object of type IntArray: IntArray c(6, 8);" << endl;
    cout << "                                                        Intarray e(c);"    << endl << endl;
    csis << "6. Array declared with another object of type IntArray: IntArray c(6, 8);" << endl;
    csis << "                                                        Intarray e(c);"    << endl << endl;
    IntArray c(6, 8);
    for(int i = c.low(); i <= c.high(); i++)
        c[i] = i * 10;
    c.setName("c");
    cout << c << endl;
    csis << c << endl;
    IntArray e(c);
    e.setName("e");
    cout << e << endl;
    csis << e << endl;
    wait();}
void test7() {
    cout << "7. Array assigned to another array w/ different indices: IntArray f(1, 4);" << endl;
    cout << "                                                         IntArray g(5, 8);" << endl;
    cout << "                                                         f = g;"            << endl << endl;
    csis << "7. Array assigned to another array w/ different indices: IntArray f(1, 4);" << endl;
    csis << "                                                         IntArray g(5, 8);" << endl;
    csis << "                                                         f = g;"            << endl << endl;
    IntArray f(1, 4);
    for(int i = f.low(); i <= f.high(); i++)
        f[i] = i * 10;
    f.setName("f");
    cout << f << endl;
    csis << f << endl;
    IntArray g(5, 8);
    for(int i = g.low(); i <= g.high(); i++)
        g[i] = i * 10;
    g.setName("g");
    cout << g << endl;
    csis << g << endl;
    wait();
    f = g;
    cout << f << endl;
    cout << g << endl;
    csis << f << endl;
    csis << g << endl;
    wait();}
void test8() {
    cout << "8. Multiple array assignment with different indices: IntArray j(3, 6);" << endl;
    cout << "                                                     IntArray k(6, 9);" << endl;
    cout << "                                                     IntArray l(1, 4);" << endl;
    cout << "                                                     j = k = l;"        << endl << endl;

    csis << "8. Multiple array assignment with different indices: IntArray j(3, 6);" << endl;
    csis << "                                                     IntArray k(6, 9);" << endl;
    csis << "                                                     IntArray l(1, 4);" << endl;
    csis << "                                                     j = k = l;"        << endl << endl;
    IntArray j(3, 6);
    for(int i = j.low(); i <= j.high(); i++)
        j[i] = i * 10;
    j.setName("j");
    cout << j << endl;
    csis << j << endl;
    IntArray k(6, 9);
    for(int i = k.low(); i <= k.high(); i++)
        k[i] = i * 10;
    k.setName("k");
    cout << k << endl;
    csis << k << endl;
    IntArray l(1, 4);
    for(int i = l.low(); i <= l.high(); i++)
        l[i] = i * 10;
    l.setName("l");
    cout << l << endl;
    csis << l << endl;
    wait();
    j = k = l;
    cout << j << endl;
    cout << k << endl;
    cout << l << endl;
    csis << j << endl;
    csis << k << endl;
    csis << l << endl;
    wait();}
void test9() {
    cout << "9. Overloaded equality operator (identical elements): IntArray m(3, 7);" << endl;
    cout << "                                                      IntArray n(1, 5);" << endl;
    cout << "                                                      m == n"             << endl << endl;
    csis << "9. Overloaded equality operator (identical elements): IntArray m(3, 7);" << endl;
    csis << "                                                      IntArray n(1, 5);" << endl;
    csis << "                                                      m == n"             << endl << endl;
    IntArray m(3, 7);
    for(int i = m.low(); i <= m.high(); i++)
        m[i] = i * 10;
    m.setName("m");
    cout << m << endl;
    csis << m << endl;
    IntArray n(1, 5);
    for(int i = n.low(); i <= n.high(); i++)
        n[i] = i * 10;
    n.setName("n");
    cout << n << endl;
    csis << n << endl;
    wait();

    m = n;
    cout << m << endl;
    cout << n << endl;
    cout << "Returns " << (m == n ? "True." : "False.") << endl << endl;
    csis << m << endl;
    csis << n << endl;
    csis << "Returns " << (m == n ? "True." : "False.") << endl << endl;
    wait();}
void test10() {
    cout << "10. Overloaded equality operator (different elements): IntArray o(3, 7);" << endl;
    cout << "                                                       IntArray p(1, 5);" << endl;
    cout << "                                                       o == p"            << endl << endl;
    csis << "10. Overloaded equality operator (different elements): IntArray o(3, 7);" << endl;
    csis << "                                                       IntArray p(1, 5);" << endl;
    csis << "                                                       o == p"            << endl << endl;
    IntArray o(3, 7);
    for(int i = o.low(); i <= o.high(); i++)
        o[i] = i * 10;
    o.setName("o");
    cout << o << endl;
    csis << o << endl;
    IntArray p(1, 5);
    for(int i = p.low(); i <= p.high(); i++)
        p[i] = i * 10;
    p.setName("p");
    cout << p << endl;
    cout << "Returns " << (o == p ? "True." : "False.") << endl << endl;
    csis << p << endl;
    csis << "Returns " << (o == p ? "True." : "False.") << endl << endl;
    wait();
}
void test11() {
    cout << "11. Overloaded equality operator (different size arrays): IntArray q(1, 3);" << endl;
    cout << "                                                          IntArray r(1, 4);" << endl;
    cout << "                                                          q == r;"           << endl << endl;
    csis << "11. Overloaded equality operator (different size arrays): IntArray q(1, 3);" << endl;
    csis << "                                                          IntArray r(1, 4);" << endl;
    csis << "                                                          q == r;"           << endl << endl;
    IntArray q(1, 3);
    for(int i = q.low(); i <= q.high(); i++)
        q[i] = i * 10;
    q.setName("q");
    cout << q << endl;
    csis << q << endl;
    IntArray r(1, 4);
    for(int i = r.low(); i <= r.high(); i++)
        r[i] = i * 10;
    r.setName("r");
    cout << r << endl;
    cout << "Returns " << (q == r ? "True." : "False.") << endl << endl;
    csis << r << endl;
    csis << "Returns " << (q == r ? "True." : "False.") << endl << endl;
    wait();
}
void test12() {
    cout << "12. Overloaded inequality operator (identical elements): IntArray s(3, 7);" << endl;
    cout << "                                                         IntArray t(1, 5);" << endl;
    cout << "                                                         s != t;"           << endl << endl;
    csis << "12. Overloaded inequality operator (identical elements): IntArray s(3, 7);" << endl;
    csis << "                                                         IntArray t(1, 5);" << endl;
    csis << "                                                         s != t;"           << endl << endl;
    IntArray s(3, 7);
    for(int i = s.low(); i <= s.high(); i++)
        s[i] = i * 10;
    s.setName("s");
    cout << s << endl;
    csis << s << endl;
    IntArray t(1, 5);
    for(int i = t.low(); i <= t.high(); i++)
        t[i] = i * 10;
    t.setName("t");
    cout << t << endl;
    csis << t << endl;
    wait();
    s = t;
    cout << s << endl;
    cout << t << endl;
    cout << "Returns " << (s != t ? "True." : "False.") << endl << endl;
    csis << s << endl;
    csis << t << endl;
    csis << "Returns " << (s != t ? "True." : "False.") << endl << endl;
    wait();
}
void test13() {
    cout << "13. Overloaded inequality operator (different elements): IntArray u(3, 7);" << endl;
    cout << "                                                         IntArray v(1, 5);" << endl;
    cout << "                                                         u != v;"           << endl << endl;
    csis << "13. Overloaded inequality operator (different elements): IntArray u(3, 7);" << endl;
    csis << "                                                         IntArray v(1, 5);" << endl;
    csis << "                                                         u != v;"           << endl << endl;
    IntArray u(3, 7);
    for(int i = u.low(); i <= u.high(); i++)
        u[i] = i * 10;
    u.setName("u");
    cout << u << endl;
    csis << u << endl;
    IntArray v(1, 5);
    for(int i = v.low(); i <= v.high(); i++)
        v[i] = i * 10;
    v.setName("v");
    cout << v << endl;
    cout << "Returns " << (u != v ? "True." : "False.") << endl << endl;
    csis << v << endl;
    csis << "Returns " << (u != v ? "True." : "False.") << endl << endl;
    wait();
}
void test14() {
    cout << "14. Overloaded inequality operator (different size arrays): IntArray w(1, 3);" << endl;
    cout << "                                           IntArray x(1, 4);" << endl;
    cout << "                                           w != x;"           << endl << endl;
    csis << "14. Overloaded inequality operator (different size arrays): IntArray w(1, 3);" << endl;
    csis << "                                           IntArray x(1, 4);" << endl;
    csis << "                                           w != x;"           << endl << endl;
    IntArray w(1, 3);
    for(int i = w.low(); i <= w.high(); i++)
        w[i] = i * 10;
    w.setName("w");
    cout << w << endl;
    csis << w << endl;
    IntArray x(1, 4);
    for(int i = x.low(); i <= x.high(); i++)
        x[i] = i * 10;
    x.setName("x");
    cout << x << endl;
    cout << "Returns " << (w != x ? "True." : "False.") << endl << endl;
    csis << x << endl;
    csis << "Returns " << (w != x ? "True." : "False.") << endl << endl;
    wait();
}
void test15() {
    cout << "15. Sum of two arrays assigned to third array: IntArray a(1, 5);"   << endl;
    cout << "                                               IntArray b(4, 8);"   << endl;
    cout << "                                               IntArray c = a + b;" << endl << endl;
    csis << "15. Sum of two arrays assigned to third array: IntArray a(1, 5);"   << endl;
    csis << "                                               IntArray b(4, 8);"   << endl;
    csis << "                                               IntArray c = a + b;" << endl << endl;
    IntArray a(1, 5);
    for(int i = a.low(); i <= a.high(); i++)
        a[i] = i * 10;
    a.setName("a");
    cout << a << endl;
    csis << a << endl;
    IntArray b(4, 8);
    for(int i = b.low(); i <= b.high(); i++)
        b[i] = i * 10;
    b.setName("b");
    cout << b << endl;
    csis << b << endl;
    wait();
    IntArray c = a + b;
    c.setName("c");
    cout << c << endl;
    csis << c << endl;
    wait();
}
void test16() {
    cout << "16. Sum of two arrays assigned to first array: IntArray d(10, 13);" << endl;
    cout << "                                               IntArray e(30, 33);" << endl;
    cout << "                                               d += e;"             << endl << endl;
    csis << "16. Sum of two arrays assigned to first array: IntArray d(10, 13);" << endl;
    csis << "                                               IntArray e(30, 33);" << endl;
    csis << "                                               d += e;"             << endl << endl;
    IntArray d(10, 13);
    for(int i = d.low(); i <= d.high(); i++)
        d[i] = i * 10;
    d.setName("d");
    cout << d << endl;
    csis << d << endl;
    IntArray e(30, 33);
    for(int i = e.low(); i <= e.high(); i++)
        e[i] = i * 10;
    e.setName("e");
    cout << e << endl;
    csis << e << endl;
    d += e;
    cout << d << endl;
    csis << d << endl;
    wait();
}
void test17() {
    cout << "17. Array declared with illegal array bounds: IntArray f(5, 2);" << endl << endl;
    csis << "17. Array declared with illegal array bounds: IntArray f(5, 2);" << endl << endl;
    IntArray f(5, 2);
    for(int i = f.low(); i <= f.high(); i++)
        f[i] = i * 10;
    f.setName("f");
    cout << f << endl;
    csis << f << endl;
    wait();
}
void test18() {
    cout << "18. Array with index out of range: IntArray g(10);"    << endl;
    cout << "                                   g[10] = 1;"         << endl << endl;
    csis << "18. Array with index out of range: IntArray g(10);"    << endl;
    csis << "                                   g[10] = 1;"         << endl << endl;
    IntArray g(10);
    for(int i = g.low(); i <= g.high(); i++)
        g[i] = i * 10;
    g.setName("g");
    cout << g << endl;
    csis << g << endl;
    g[10] = 1;
    wait();
}
void test19() {
    cout << "19. Arrays with length mismatch: IntArray m(1, 4);" << endl;
    cout << "                                 IntArray n(2, 4);" << endl;
    cout << "                                 m = n;"            << endl << endl;
    csis << "19. Arrays with length mismatch: IntArray m(1, 4);" << endl;
    csis << "                                 IntArray n(2, 4);" << endl;
    csis << "                                 m = n;"            << endl << endl;
    IntArray m(1, 4);
    for(int i = m.low(); i <= m.high(); i++)
        m[i] = i * 10;
    m.setName("m");
    cout << m << endl;
    csis << m << endl;
    IntArray n(2, 4);
    for(int i = n.low(); i <= n.high(); i++)
        n[i] = i * 10;
    n.setName("n");
    cout << n << endl;
    csis << n << endl;
    wait();
    m = n;
    cout << m << endl;
    cout << n << endl;
    csis << m << endl;
    csis << n << endl;
    wait();
}
void test20() {
    cout << "20. Array subscript operator: IntArray o(7, 8);" << endl;
    cout << "                              o[7] = 25;"        << endl;
    cout << "                              o[8] = o[7];"      << endl << endl;
    csis << "20. Array subscript operator: IntArray o(7, 8);" << endl;
    csis << "                              o[7] = 25;"        << endl;
    csis << "                              o[8] = o[7];"      << endl << endl;
    IntArray o(7, 8);
    for(int i = o.low(); i <= o.high(); i++)
        o[i] = i * 10;
    o.setName("o");
    cout << o << endl;
    csis << o << endl;
    o[7] = 25;
    o[8] = o[7];
    cout << o << endl;
    csis << o << endl;
    wait();
}
void wait() {
    char buf;
    cout << "Press any key to continue." << endl;
    cin.get(buf);
}
----------------------------------------------
iadrv.h
-------------------------------
#ifndef _IADRV_H
#define _IADRV_H
#include "intarray.h"
int main();
void test1();
void test2();
void test3();
void test4();
void test5();
void test6();
void test7();
void test8();
void test9();
void test10();
void test11();
void test12();
void test13();
void test14();
void test15();
void test16();
void test17();
void test18();
void test19();
void test20();
void wait();
#endif
----------------------------------------------
IntArray.cpp
-------------------------------
#include "IntArray.h"
#include <fstream>
extern ofstream csis;
IntArray::IntArray(){
    min = 0;
    max = 9;
    size = 10;
    array[size];}
IntArray::IntArray(int upper){
    min = 0;
    max = upper - 1;
    size = upper;
    array[size];}
IntArray::IntArray(int lower, int upper){
    if (lower > upper) {
        cout << "Error: Lower boundary out of range - Program Halt..." << endl;
        csis << "Error: Lower boundary out of range - Program Halt..." << endl;
    }
    else if (lower == upper) {
        min = lower;
        max = upper;
        size = 1;
        array[size];
    }
    else {
        min = lower;
        max = upper;
        size = ((upper) - (lower)) + 1;
        array[size];
    }
}

IntArray::IntArray(const IntArray& arr)
{
    min = arr.min;
    max = arr.max;
    size = arr.size;
    for (int i = arr.min; i <= arr.max; i++) {
        array[i] = arr.array[i];
    }
}
void IntArray::setName(string s)
{
    name = s;
}
int IntArray::low()
{
    return min;
}
int IntArray::high()
{
    return max;
}
IntArray& IntArray::operator=(IntArray& arr)
{
    min = arr.min;
    max = arr.max;
    int offset = arr.min;
    int* ptr = (arr.array+offset);

    if (size != arr.size) {
        cout << "Error: Size mismatch. Program halt..." << endl << endl;
        csis << "Error: Size mismatch. Program halt..." << endl << endl;
    }

    for (int i = min; i <= max; i++) {
        array[i] = *(ptr+i);
    }

    return *this;
}
int IntArray::operator==(IntArray& arr)
{
    int offset = arr.min;
    int* ptr1 = (array+min);
    int* ptr2 = (arr.array+offset);
    int check = 0;

    if ( (size) == (arr.size) ) {
        for (int i = min; i <= max; i++) {
            if ( *(ptr1+i) == *(ptr2+i) ) {
                check = 1;
            }
            else {
                return 0;
            }
        }
    }

    return check;
}
int IntArray::operator!=(IntArray& arr)
{
    int offset = arr.min;
    int* ptr1 = (array+min);
    int* ptr2 = (arr.array+offset);
    int check = 1;

    if ( (size) == (arr.size) ) {
        for (int i = min; i <= max; i++) {
            if ( *(ptr1+i) == *(ptr2+i) ) {
                check = 0;
            }
            else {
                return 1;
            }
        }
    }

    return check;
}
int& IntArray::operator[](int val)
{
    if (val < min || val > max) {
        cout << "Error: Out of legal range. Program halt..." << endl;
        csis << "Error: Out of legal range. Program halt..." << endl << endl;
    }

    return val;
}
void IntArray::operator+=(IntArray& arr)
{
    int offset = arr.min;
    int* ptr = (arr.array+offset);

    if ( (max - min) != (arr.max - arr.min) ) {
        cout << "Error: Must have same number of elements. Program halt..." << endl;
        csis << "Error: Must have same number of elements. Program halt..." << endl;
    }
    else {
        for (int i = min; i <= max; i++) {
            array[i] = *(array+i) + *(ptr+i);
        }
    }
}
IntArray operator+(IntArray& arr1, IntArray& arr2)
{
    IntArray temp(arr1.size);
    int offset = arr1.min;
    int offset2 = arr2.min;
    int* ptr1 = (arr1.array+offset);
    int* ptr2 = (arr2.array+offset2);

    if ( (arr1.size) != (arr2.size) ) {
        cout << "Error: Must have same number of elements. Program halt..." << endl;
        csis << "Error: Must have same number of elements. Program halt..." << endl;
    }
    else {
        for (int i = 0; i <= temp.size; i++) {
            temp.array[i] = *(ptr1+i) + *(ptr2+i);
        }
    }
    return IntArray(temp);
}

ostream& operator<<(ostream& os, const IntArray& arr)
{
    if (arr.min == arr.max) {
        int i = arr.min;
        os << arr.name << "[" << i << "] = " << arr.array[i] << endl;
    }
    else {
        for (int i = arr.min; i <= arr.max; i++) {
            os << arr.name << "[" << i << "] = " << arr.array[i] << endl;
        }
    }
    return os;
}
----------------------------------------------
IntArray.h
-------------------------------
#ifndef __Operator_Overloading_Lab__IntArray__
#define __Operator_Overloading_Lab__IntArray__
#include <iostream>
using namespace std;
class IntArray {
private:
    string name;
    int min;
    int max;
    int size;
    int array[];
public:
    IntArray();
    IntArray(int);
    IntArray(int, int);
    IntArray(const IntArray&);
    void setName(string);
    int low();
    int high();
    IntArray& operator=(IntArray&);
    int operator==(IntArray&);
    int operator!=(IntArray&);
    int& operator[](int);
    void operator+=(IntArray&);
    friend IntArray operator+(IntArray&, IntArray&);
    friend ostream& operator<<(ostream&, const IntArray&);
};
#endif
---------------------------------
csis.txt

-------------------------------

1. Array declared with single integer: IntArray a(10);

a[0] = 0

a[1] = 10

a[2] = 20

a[3] = 30

a[4] = 40

a[5] = 50

a[6] = 60

a[7] = 70

a[8] = 80

a[9] = 90

2. Array declared with two integers: IntArray b(-3, 6);

b[-30] = 1

b[-29] = 1606416256

b[-28] = 32767

b[-27] = 2046468856

b[-26] = 32767

b[-25] = 41600

b[-24] = 1

b[-23] = 65666

b[-22] = 1

b[-21] = 25090

b[-20] = 0

3. Array declared with two integers: IntArray c(6, 8);

c[6] = 60

c[7] = 70

c[8] = 80

4. Array declared with two identical integers: IntArray d(5, 5);

d[5] = 50

5. Array declared with no integers: IntArray z;

z[0] = 0

z[1] = 10

z[2] = 20

z[3] = 30

z[4] = 40

z[5] = 50

z[6] = 60

z[7] = 70

z[8] = 80

z[9] = 90

6. Array declared with another object of type IntArray: IntArray c(6, 8);

Intarray e(c);

c[6] = 60

c[7] = 70

c[8] = 80

e[6] = 60

e[7] = 70

e[8] = 80

7. Array assigned to another array w/ different indices: IntArray f(1, 4);

IntArray g(5, 8);

f = g;

f[1] = 10

f[2] = 20

f[3] = 30

f[4] = 40

g[5] = 50

g[6] = 60

g[7] = 70

g[8] = 80

f[5] = 1

f[6] = 41600

f[7] = 5

f[8] = 26114

g[5] = 50

g[6] = 60

g[7] = 70

g[8] = 80

8. Multiple array assignment with different indices: IntArray j(3, 6);

IntArray k(6, 9);

IntArray l(1, 4);

j = k = l;

j[3] = 30

j[4] = 40

j[5] = 50

j[6] = 60

k[6] = 60

k[7] = 70

k[8] = 80

k[9] = 90

l[1] = 10

l[2] = 20

l[3] = 30

l[4] = 40

j[1] = 30

j[2] = 40

j[3] = 1

j[4] = 70600

k[1] = 20

k[2] = 30

k[3] = 40

k[4] = 1

l[1] = 10

l[2] = 20

l[3] = 30

l[4] = 40

9. Overloaded equality operator (identical elements): IntArray m(3, 7);

IntArray n(1, 5);

m == n

m[3] = 30

m[4] = 40

m[5] = 50

m[6] = 60

m[7] = 70

n[1] = 10

n[2] = 20

n[3] = 30

n[4] = 40

n[5] = 50

m[1] = 20

m[2] = 30

m[3] = 40

m[4] = 50

m[5] = 1

n[1] = 10

n[2] = 20

n[3] = 30

n[4] = 40

n[5] = 50

Returns False.

10. Overloaded equality operator (different elements): IntArray o(3, 7);

IntArray p(1, 5);

o == p

o[3] = 30

o[4] = 40

o[5] = 50

o[6] = 60

o[7] = 70

p[1] = 10

p[2] = 20

p[3] = 30

p[4] = 40

p[5] = 50

Returns False.

11. Overloaded equality operator (different size arrays): IntArray q(1, 3);

IntArray r(1, 4);

q == r;

q[1] = 10

q[2] = 20

q[3] = 30

r[1] = 10

r[2] = 20

r[3] = 30

r[4] = 40

Returns False.

12. Overloaded inequality operator (identical elements): IntArray s(3, 7);

IntArray t(1, 5);

s != t;

s[3] = 30

s[4] = 40

s[5] = 50

s[6] = 60

s[7] = 70

t[1] = 10

t[2] = 20

t[3] = 30

t[4] = 40

t[5] = 50

s[1] = 20

s[2] = 30

s[3] = 40

s[4] = 50

s[5] = 5

t[1] = 10

t[2] = 20

t[3] = 30

t[4] = 40

t[5] = 50

Returns True.

13. Overloaded inequality operator (different elements): IntArray u(3, 7);

IntArray v(1, 5);

u != v;

u[3] = 30

u[4] = 40

u[5] = 50

u[6] = 60

u[7] = 70

v[1] = 10

v[2] = 20

v[3] = 30

v[4] = 40

v[5] = 50

Returns True.

14. Overloaded inequality operator (different size arrays): IntArray w(1, 3);

IntArray x(1, 4);

w != x;

w[1] = 10

w[2] = 20

w[3] = 30

x[1] = 10

x[2] = 20

x[3] = 30

x[4] = 40

Returns True.

15. Sum of two arrays assigned to third array: IntArray a(1, 5);

IntArray b(4, 8);

IntArray c = a + b;

a[1] = 10

a[2] = 20

a[3] = 30

a[4] = 40

a[5] = 50

b[4] = 40

b[5] = 50

b[6] = 60

b[7] = 70

b[8] = 80

c[0] = 50

c[1] = 70

c[2] = 90

c[3] = 110

c[4] = 130

16. Sum of two arrays assigned to first array: IntArray d(10, 13);

IntArray e(30, 33);

d += e;

d[10] = 100

d[11] = 110

d[12] = 120

d[13] = 130

e[30] = 300

e[31] = 310

e[32] = 320

e[33] = 330

d[10] = 321

d[11] = 70930

d[12] = 121

d[13] = 41730

17. Array declared with illegal array bounds: IntArray f(5, 2);

Error: Lower boundary out of range - Program Halt...

18. Array with index out of range: IntArray g(10);

g[10] = 1;

g[0] = 0

g[1] = 10

g[2] = 20

g[3] = 30

g[4] = 40

g[5] = 50

g[6] = 60

g[7] = 70

g[8] = 80

g[9] = 90

Error: Out of legal range. Program halt...

19. Arrays with length mismatch: IntArray m(1, 4);

IntArray n(2, 4);

m = n;

m[1] = 10

m[2] = 20

m[3] = 30

m[4] = 40

n[2] = 20

n[3] = 30

n[4] = 40

Error: Size mismatch. Program halt...

m[2] = 40

m[3] = 36062

m[4] = 1

n[2] = 20

n[3] = 30

n[4] = 40

20. Array subscript operator: IntArray o(7, 8);

o[7] = 25;

o[8] = o[7];

o[7] = 70

o[8] = 80

o[7] = 25

o[8] = 25

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