/*------------------------------------------------------------------*/
/* teststackao.c                                                    */
/*------------------------------------------------------------------*/

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

int main(int argc, char *argv[])

/* Test the Stack abstract object. */

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

   /* Use a Stack of strings. */

   Stack_init();

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

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

   Stack_free();

   /* Use a Stack of doubles. */

   Stack_init();

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

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

   Stack_free();

   return 0;
}