#include <iostream.h>
#include "assign4.h"
#include <stdlib.h>

static char *statusStrings[5] = { "Underflow", "Empty", "Pending", "Full", "Overflow" };

int main ()
{
int item;
int choice;
int nextNum;
int looping = 1;
int random = 0;
int i = 0;
status currentStatus;
while (looping == 1)
{
cout << "What would you like to do?\n";
cout << "\t1) Check queue status.\n";
cout << "\t2) Enter a number in the queue\n";
cout << "\t3) Get a number from the queue\n";
cout << "\t4) Perform full tests.\n";
cout << "\t5) Quit\n";
cin >> choice;
if (choice == 1)
{
currentStatus = getStatus ();
cout << "The current queue status is " <<
statusStrings[currentStatus] << "\n";
}
if (choice == 2)
{
cout << "\nPlease enter a number to be placed on the queue --> ";
cin >> item;
currentStatus = putQueue (item);
cout << "\nThe current status is now " <<
statusStrings[currentStatus] << "\n";
}
if (choice == 3)
{
nextNum = getQueue ();
cout << "The number you get is " << nextNum << "\n";
}
if (choice == 4)
{
currentStatus = getStatus ();
cout << "******************************\n";
cout <<
"Checking to see if status variable is initialized properly.\n";
if (currentStatus == EMPTY)
cout << "Passed...your status is --> " <<
statusStrings[currentStatus] << "\n";

else
cout << "Failed...your status is --> " <<
statusStrings[currentStatus] << "\n";
nextNum = getQueue ();
cout << "******************************\n";
cout <<
"\nTrying to remove an item from the empty queue and then checking status.\n";
if (nextNum == 0)
{
cout <<
"You correctly returned 0 because the queue was empty.\n";
currentStatus = getStatus ();
if (currentStatus == UNDERFLOW)
{
cout <<
"Passed...You have returned the correct status --> " <<
statusStrings[currentStatus] << "\n";
}

else
{
cout << "You have returned the incorrect status --> " <<
statusStrings[currentStatus] << "\n";
}
}

else
{
cout << "You didn't return the correct item.\n";
if (currentStatus == UNDERFLOW)
{
cout <<
"Passed...You have returned the correct status --> " <<
statusStrings[currentStatus] << "\n";
}

else
{
cout << "You have returned the incorrect status --> " <<
statusStrings[currentStatus] << "\n";
}
}
cout << "******************************\n";
cout << "Placing " << (QSIZE - 1) << " items on the queue\n";
for (i = 0; i < (QSIZE - 1); i++)
{
random = rand ();
currentStatus = putQueue (random);
}
if (currentStatus == PENDING)
{
cout << "Passed...You have returned the correct status --> " <<
statusStrings[currentStatus] << "\n";
}

else
{
cout << "You have returned the incorrect status --> " <<
statusStrings[currentStatus] << "\n";
}
cout << "******************************\n";
cout << "Placing one more item on the queue\n";
random = rand ();
currentStatus = putQueue (random);
if (currentStatus == FULL)
{
cout << "Passed...You have returned the correct status --> " <<
statusStrings[currentStatus] << "\n";
}

else
{
cout << "You have returned the incorrect status --> " <<
statusStrings[currentStatus] << "\n";
}
cout << "******************************\n";
cout << "Placing an extra item on the queue\n";
random = rand ();
currentStatus = putQueue (random);
if (currentStatus == OVERFLOW)
{
cout << "Passed...You have returned the correct status --> " <<
statusStrings[currentStatus] << "\n";
}

else
{
cout << "You have returned the incorrect status --> " <<
statusStrings[currentStatus] << "\n";
}
cout << "******************************\n";
cout << "Removing one item and checking the status\n";
nextNum = getQueue ();
currentStatus = getStatus ();
if (currentStatus == PENDING)
{
cout << "Passed...You have returned the correct status --> " <<
statusStrings[currentStatus] << "\n";
}

else
{
cout << "You have returned the incorrect status --> " <<
statusStrings[currentStatus] << "\n";
}
cout << "******************************\n";
}
if (choice == 5)
{
looping = 2;
}
}
return 0;
}