/* Nathan DeBardeleben - ndebard@parl.clemson.edu
 * ECE 329 
 * Test program for the queue project.  This forces only ints
 * into the queue and then reads them out as ints.  Your queue
 * should work with those code but should handle the queue
 * elements as void *s. */

#include <stdio.h>
#include "queue.h"

int main(int argc, char **argv)
{
	struct queue *q;
	int *cur;
	int i, j, k, l, ret;
	i = 1;
	j = 2;
	k = 3;
	l = 4;

	q = Qinit();
	cur = (int*)Qshow(q);
	if(cur != NULL) 
		printf("\tERROR: CUR SHOULD BE NULL, QSHOW WRONG\n");
	ret = Qremove(q, &i);
	printf("Removed an element from an empty q, return value = %d\n", ret);
	Qadd(q, &i);
	cur = (int*)Qshow(q);
	if(cur == NULL)
		printf("\tERROR: CUR SHOULD HAVE NOT BEEN NULL\n");
	printf("cur = 1 ? = %d\n", *cur);

	cur = (int*)Qnext(q);
	if(cur == NULL)
		printf("\tERROR: CUR SHOUDL HAVE NOT BEEN NULL\n");
	printf("cur = 1 ? = %d\n", *cur);

	Qadd(q, &j);
	Qadd(q, &k);
	Qadd(q, &l);

	cur = (int*)Qnext(q);
	if(cur == NULL)
		printf("\tERROR: CUR SHOULD NOT HAVE BEEN NULL\n");
	printf("cur = 2 ? = %d\n", *cur);

	cur = (int*)Qnext(q);
	if(cur == NULL)
		printf("\tERROR: CUR SHOULD NOT HAVE BEEN NULL\n");
	printf("cur = 3 ? = %d\n", *cur);

	cur = (int*)Qnext(q);
	if(cur == NULL)
		printf("\tERROR: CUR SHOULD NOT HAVE BEEN NULL\n");
	printf("cur = 4 ? = %d\n", *cur);

	printf("REMOVEING ELEMENT #3\n");
	ret = 666;
	ret = Qremove(q, &k);
	printf("Removed 3?  Ret = %d\n", ret);
	printf("REMOVEING ELEMENT #4\n");
	ret = 666;
	ret = Qremove(q, &l);
	printf("Removed 4?  Ret = %d\n", ret);

	cur = (int*)Qnext(q);
	if(cur == NULL)
		printf("\tERROR: CUR SHOULD NOT HAVE BEEN NULL\n");
	printf("cur = 2 ? = %d\n", *cur);

	cur = (int*)Qnext(q);
	if(cur == NULL)
		printf("\tERROR: CUR SHOULD NOT HAVE BEEN NULL\n");
	printf("cur = 1 ? = %d\n", *cur);

	cur = (int*)Qnext(q);
	if(cur == NULL)
		printf("\tERROR: CUR SHOULD NOT HAVE BEEN NULL\n");
	printf("cur = 2 ? = %d\n", *cur);

	cur = (int*)Qnext(q);
	if(cur == NULL)
		printf("\tERROR: CUR SHOULD NOT HAVE BEEN NULL\n");
	printf("cur = 1 ? = %d\n", *cur);

	return 1;
}