/**
 * dll-expt.c
 *   Some experiments for doubly-linked lists.
 */

// +---------+--------------------------------------------------------
// | Headers |
// +---------+

#include <stdio.h>
#include <stdlib.h>
#include <string.h>		// For strcmp

#include "dll.h"		// What we're testing
#include "expt.h"		// Experiment utilities
#include "mem.h"		// Memory is important to explore.


// +--------+---------------------------------------------------------
// | Macros |
// +--------+

#define PRINT_LIST(LIST)                                \
  BLOCK(                                                \
    fprintf (stderr, VAR_PREFIX "%s = ", #LIST);        \
    if (LIST == NULL)                                   \
      fprintf (stderr, "<NULL>");                       \
    else                                                \
      dll_print (LIST, stderr);                        \
    fprintf (stderr, "\n"); )

#define PRINT_STUFF()					\
  BLOCK(						\
    PRINT_LIST (lst1);					\
    PRINT_LIST (lst2);					\
    PRINT_INT (mem_allocated ());			\
  )


// +------+-----------------------------------------------------------
// | Main |
// +------+

int
main ()
{
  struct dll *lst1, *lst2;
  char stuff[] = "Hello";

  PRINT_INT (mem_allocated ());

  EXPERIMENT (lst1 = dll_new ());
  EXPERIMENT (lst2 = dll_new ());
  PRINT_STUFF ();

  EXPERIMENT (dll_append (lst1, stuff));
  PRINT_STUFF ();

  EXPERIMENT (dll_append (lst1, stuff));
  PRINT_STUFF ();

  EXPERIMENT (dll_append (lst1, "Hi"));
  PRINT_STUFF ();

  EXPERIMENT (dll_append (lst2, "Goodbye"));
  PRINT_STUFF ();

  EXPERIMENT (dll_clear (lst1));
  PRINT_STUFF ();
 
  EXPERIMENT (dll_append (lst1, stuff));
  PRINT_STUFF ();
 
  return 0;
} // main