/*************************************************************************
*	Memorial University of Newfoundland
*	Faculty of Engineering and Applied Sciences
*	Engineering 3891 : Advanced Programming
*	
*	Assignment 5 Test Code
*
*	Author: Daniel Mastropietro
*	Student ID: 9419268				Date: 10.16.00
*************************************************************************/	

#include "assign5.h"
#include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;

void main () {

	myComplex x,y;
	char choice;
	char operation;
	char pause;
	int i;
	bool result = true;


	cout <<"Engr 3891 Assignment 5 Test Code\n\n";

	while (choice != '5') {

		cout <<"Kindly choose one of the following options:\n" 
			 <<"1) Push a number onto the stack\n"
			 <<"2) Pop a number off of the stack\n"
			 <<"3) Do an operation\n"
			 <<"4) Run tests\n"
			 <<"5) Exit the Program\n"
			 <<"Choice : ";

		cin >> choice;
		cout << "\n\n";

		switch (choice) {

			case '1':
				cout <<"Please enter the number to be put into the stack\n"
					 <<"Real Part : ";
				cin >> x.re;
				cout <<"Imaginary Part : ";
				cin >> x.im;
				cout <<"The function Push returned ---> " << (push(x) ? "TRUE" : "FALSE") <<"\n\n";
				break;

			case '2':
				if ( pop(x) ) {
					cout <<"The number retrieved is " <<x.re 
						 << (x.im>=0 ? " + " : " - ") << fabs(x.im) <<"j\n\n";
				} else
					cout <<"No number can be retrieved\n\n";
				break;

			case '3':
				cout <<"What operation would you like to do?  ";
				cin >>operation;
				if ( oper (operation) ) {
					cout <<"\n The result of the operation was ";
					pop(x);
					cout <<x.re
						 << (x.im>=0 ? " + " : " - ") << fabs(x.im) <<"j\n\n";
				} else
					cout <<"\tThe operation was unsuccesful\n\n";
				break;

			case '4':
				while (pop(x)) {;}
				x.re = 2.5;
				x.im = -1.5;
								
				cout <<"Test 1: Push a number onto the queue .................."
					 <<( push (x) ? "PASSED" : "FAILED") <<'\n'
				
					 <<"Test 2: Pop a number fom the queue ....................";
				if (pop(x)) cout << "PASSED\n"; else cout <<"FAILED\n";
				
				cout <<"Test 3: Filling up the stack...........................";
				for( i=0;i<15 && push(x);i++) { x.re=rand();x.im=rand(); }
				if ( i !=10)
					cout <<"FAILED\n\tYour program only took " <<i <<" numbers\n";
				else
					cout <<"PASSED\n";
				
				cout <<"Test 4: Pushing one more onto the stack................";
				if(!push(x)) cout <<"PASSED\n"; else cout<<"FALSE\n\tYour program allowed me to Push onto a full stack\n";
				
				cout <<"Test 5: Removing all the numbers from the stack .......";
				for( i=0;i<15 && pop(x);i++) {;}
				if ( i !=10)
					cout <<"FAILED\n\tYour program only gave me " <<i <<" numbers\n";
				else
					cout <<"PASSED\n";
				
				cout <<"Test 6: Removing one more from the stack..............."
					 <<(!pop(x) ? "PASSED\n" : "FAILED\n\tYour program allowed me to remove from an empty stack\n")
    			 
					 <<"Test 7: Order - making sure the stack is FIFO..........";
				for (i=0.5;i<10;i++){x.re=i+1;x.im=i+1;push(x);}
				for (i=9.5;i>=0 && result;i--){pop(x);if(x.re == i+1 && x.im == i+1) result=true; else result = false;}
				if (result) cout <<"PASSED\n"; else cout <<"FAILED\n";
				
				cout <<"Test 8: Addition.......................................";
				x.re=4.5;		y.re=-7.5;
				x.im=-3.5;		y.im=6.5;
				push(x);		push(y);
				if ( oper('+') && pop(x) )
					if (x.re == -3.0 && x.im == 3.0)
						cout <<"PASSED\n";
					else
						cout <<"FAILED\n\tYou said (4.5-3.5j) + (-7.5+6.5j) = "
						     <<x.re << (x.im>=0 ? " + " : " - ") << fabs(x.im) <<"j\n";
				else
					cout <<"FAILED\n\tYour program either will not let me do the operation, or won't give me the result.\n";

				cout <<"Test 9: Subtraction:...................................";
				x.re=4.5;		y.re=-7.5;
				x.im=-3.5;		y.im=6.5;
				push(x);		push(y);
				if ( oper('-') && pop(x) )
					if (x.re == 12.0 && x.im == -10.0)
						cout <<"PASSED\n";
					else
						cout <<"FAILED\n\tYou said (4.5-3.5j) - (-7.5+6.5j) = "
						     <<x.re << (x.im>=0 ? " + " : " - ") << fabs(x.im) <<"j\n";
				else
					cout <<"FAILED\n\tYour program either will not let me do the operation, or won't give me the result.\n";

				cout <<"Test 10: Multiplication:...............................";
				x.re=4.5;		y.re=-7.5;
				x.im=-3.5;		y.im=6.5;
				push(x);		push(y);
				if ( oper('*') && pop(x) )
					if (x.re == -11.0 && x.im == 55.5)
						cout <<"PASSED\n";
					else
						cout <<"FAILED\n\tYou said (4.5-3.5j) * (-7.5+6.5j) = "
							 <<x.re << (x.im>=0 ? " + " : " - ") << fabs(x.im) <<"j\n";
				else
					cout <<"FAILED\n\tYour program either will not let me do the operation, or won't give me the result.\n";

				cout <<"Test 11: Division:.....................................";
				x.re=6;			y.re=0;
				x.im=-9;		y.im=3;
				push(x);		push(y);
				if ( oper('/') && pop(x) )
					if (x.re == -3 && x.im == -2)
						cout <<"PASSED\n";
					else
						cout <<"FAILED\n\tYou said (6-9j) / (0+3j) = "
						     <<x.re << (x.im>=0 ? " + " : " - ") << fabs(x.im) <<"j\n";
				else
					cout <<"FAILED\n\tYour program either will not let me do the operation, or won't give me the result.\n";
					

				cout <<"Test 12: Division by Zero:.............................";
				x.re=-2.5;		y.re=0;
				x.im=3.5;		y.im=0;
				push(x);		push(y);
				if ( !oper('/') )
					if (pop (x) && x.re == 0 && x.im == 0 && pop(y) && y.re == -2.5 && y.im == 3.5)
						cout <<"PASSED\n";
					else
						cout <<"FAILED\n\tYou returned false, but changed the numbers in your stack\n";
				else
					cout <<"FAILED\n\tYou gave no error for division by zero\n";

				cout <<"Test 13: Not enough numbers for operation..............";
				while (pop(x));
				x.re = 3.5;
				x.im = -4.5;
				push(x);
				if (!oper ('*') )
					if (pop (x) && x.re == 3.5 && x.im == -4.5)
						cout <<"PASSED\n";
					else
						cout <<"FAILED\n\tYou returned false, but changed the numbers in your stack\n";
				else
					cout <<"FAILED\n\tYou allowed me to do the operation without enough numbers in the stack\n";

				cout <<"Test 14: Invalid Operation.............................";
				pop(x);
				pop(x);
				if (!oper('D'))
					cout <<"PASSED\n";
				else
					cout <<"FAILED\n\tYou did not return false when I entered an invalid operation\n";

				cout <<"\nPlease hit <ENTER> to continue";
				cin.get(pause);
				cin.get(pause);
				cout <<'\n';

				break;
			
			case '5':
				break;
			default:
				cout <<"Invalid number\n\n";
				break;
		}
	}







	return;

}