//This program test the class IntArray.

#include <iostream.h>
#include "intarray.h"
#include <stdlib.h>


void new_line(istream& in_stream);
//Discards all the input remaining on the current input line of in_stream.
//Also discards the '\n' at the end of the line.
//Precondition: in_stream has been connected to a file with a call to open.

void wait();


void testcopy();
//Tests to see if the copy constructor is defined correctly.

void test(IntArray a);
//Used in testing to see if the copy constructor is defined correctly.

int main()
{
    int size = 10;
    IntArray a(size), b;//Note round parentheses.
    int i;

    cout << "Checking the default constructor.\n";
    for (i = 0; i < size; i++)
        b[i] = i;
    for (i = 0; i < size; i++)
        cout << b[i];
    cout << endl;
    cout << "Above line should be:\n"
         << "0123456789\n";
    wait(); 

    cout << "Checking get_size:\n";
    cout << a.get_size() << " should = 10 \n";
    wait();

/*
    cout << "The program should now end with an index out\n"
         << "of range error message.\n";
    b[10] = 10;
*/

    cout << "Checking the other constructor.\n";
    for (i = 0; i < size; i++)
        a[i] = i;
    for (i = 0; i < size; i++)
        cout << a[i];
    cout << endl;
    cout << "Above line should be:\n"
         << "0123456789\n";
    wait(); 

/*
    cout << "The program should now end with an index out\n"
         << "of range error message.\n";
    a[10] = 10;
*/

    a.resize(12);
    cout << "Checking to see that values are not lost:\n";
    for (i = 0; i < 10; i++)
        a[i] = i;
    for (i = 0; i < 10; i++)
        cout << a[i];
    cout << endl;
    cout << "Above line should be:\n"
         << "0123456789\n";
    wait(); 

    cout << "Checking to see that array is resized:\n";
    for (i = 0; i < 12; i++)
        a[i] = i;
    for (i = 0; i < 12; i++)
        cout << a[i];
    cout << endl;
    cout << "Above line should be:\n"
         << "01234567891011\n";
    wait(); 

/*
    cout << "Checking the overloaded operator <<:\n";
    cout << a << "the end" << endl;
    cout << "Above line should be:\n"
         << "0 1 2 3 4 5 6 7 8 9 10 11 the end\n"
         << "NOTE: There should be no blank line after the array output.\n";
    wait(); 
*/

/*
    cout << "Checking the overloaded assignment operator:\n";
    IntArray c(10), d;
    for (i = 0; i < size; i++)
        c[i] = i;
    d = c;
    for (i = 0; i < size; i++)
        cout << d[i];
    cout << endl;
    cout << "Above line should be:\n"
         << "0123456789\n";
    wait(); 
*/

/*
    cout << "Checking the copy constructor:\n";
    testcopy();
    wait(); 

    cout << "End of tests.\n"
         << "WARNING: Passing these tests does NOT\n"
         << "Guarantee that your definitions are correct!\n";
*/

    return 0;
}



//Uses iostream.h:
void new_line(istream& in_stream)
{
    char symbol;
    do
    {
        in_stream.get(symbol);
    } while (symbol != '\n');
}


void wait()
{
    cout << "Press return to continue to the next test.\n";
    new_line(cin);
}

void testcopy()
{
    IntArray a(10);
    int i;
    for(i = 0; i < 10; i++)
        a[i] = i;
    test(a);
    for(i = 0; i < 10; i++)
        cout << a[i];
    cout << endl
         << "Above line should be:\n"
         << "0123456789\n";
}

void test(IntArray a)
{
    
    int i;
    for(i = 0; i < 10; i++)
        cout << a[i];
    cout << endl
         << "Above line should be:\n"
         << "0123456789\n";
    for(i = 0; i < 10; i++)
        a[i] = 7;
}