/*------------------------------------------------------------------*/
/* teststack.c                                                      */
/* Author: Bob Dondero                                              */
/* A client of a generic Stack ADT                                  */
/*------------------------------------------------------------------*/

#include <stdio.h>
#include <stdlib.h>
#include "stack.h"

int main(void)

/* Test the Stack ADT.  Return 0. */

{
   Stack_T oStack1;
   Stack_T oStack2;
   double d1 = 1.1;
   double d2 = 2.2;
   double d3 = 3.3;
   double *pd;

   /* Create and use a Stack of strings. */

   oStack1 = Stack_new();

   Stack_push(oStack1, "Ruth");
   Stack_push(oStack1, "Gehrig");
   Stack_push(oStack1, "Mantle");
   Stack_push(oStack1, "Jeter");

   while (! Stack_isEmpty(oStack1))
      printf("%s\n", (char*)Stack_pop(oStack1));

   Stack_free(oStack1);

   /* Create and use a Stack of doubles. */

   oStack2 = Stack_new();

   Stack_push(oStack2, &d1);
   Stack_push(oStack2, &d2);
   Stack_push(oStack2, &d3);

   while (! Stack_isEmpty(oStack2))
   {
      pd = (double*)Stack_pop(oStack2);
      printf("%g\n", *pd);
   }

   Stack_free(oStack2);

   return 0;
}