// CS 2310 Execise 5 
// Chapter 12.
// Implementation file safeArray.cpp

#include <iostream>
#include <cstdlib>
#include <iomanip>
#include "safeArray.h"

using namespace std;

int IntArray::ValueAt( /* in */ int i) const
	// Precondition:
	//		i is assigned
	// Postcondition:
	//		IF i >= 0 && i < declared size of array
	//			Function value == value of array element
	//								at index i
	//		ELSE
	//			Program has halted with error message
{
	if (i>=0 && i<MAX_SIZE) return arr[i];
	else {
		cout << "Array index out of range" << endl;
		exit(0);
	}
}

void IntArray::Store( /* in */ int val,
						/* in */ int i)
	// Precondition:
	//		val and i are assigned
	//	Postcondition:
	//		IF i >= 0 && i < declared size of array
	//			val is stored in array element i
	//		ELSE
	//			Program has halted with error message
{
	// Write the implementation here.
}

IntArray::IntArray()
	//	Postcondition:
	//			Array created with all array elements == 0
{
	int i;

	for (i=0; i<MAX_SIZE; i++) arr[i]=0;
}

int main() {
	IntArray safeArr;
	int i;

	// Store values into the array
	for (i=0; i<MAX_SIZE; i++)
		safeArr.Store(10*i, i);

	// Print out the array
	cout << "The content of the array is:" << endl;
	for (i=0; i<MAX_SIZE; i++)
		cout << setw(5) << safeArr.ValueAt(i);
	cout << endl;

	// Store a value at index out of range
	cout << "I am going to store a value at index out of range" << endl;
	safeArr.Store(100, MAX_SIZE+1);

	return 0;
}