tests for spp linked list

list_test.c

#include "list.h"
#include <assert.h>
#include <stdlib.h>

char *mystring = "my string";
char *otherstring = "other string";

int main(int argc, char *argv[])
{
	LinkedList *lista, *listb;
	
	lista = LinkedList_create();
	listb = LinkedList_create();
	
	assert(lista != listb);
	assert(lista != NULL);
	assert(listb != NULL);
	
	// getFirst, getLast
	assert(LinkedList_getFirst(lista) == NULL);
	assert(LinkedList_getLast(listb) == NULL);
	
	// append
	LinkedList_append(lista, mystring);
	assert(LinkedList_getFirst(lista) != NULL);
	assert(LinkedList_getLast(lista) != NULL);
	
	// getData
	assert(LinkedList_getData(LinkedList_getFirst(lista)) == mystring);
	assert(LinkedList_getData(LinkedList_getLast(lista)) == mystring);
	
	// getNext, getPrevious
	assert(LinkedList_getNext(LinkedList_getFirst(lista)) == NULL);
	assert(LinkedList_getPrevious(LinkedList_getFirst(lista)) == NULL);
	LinkedList_append(lista, otherstring);
	assert(LinkedList_getNext(LinkedList_getFirst(lista)) != NULL);
	assert(LinkedList_getPrevious(LinkedList_getLast(lista)) != NULL);
	assert(LinkedList_getData(LinkedList_getNext(LinkedList_getFirst(lista))) == otherstring);
	assert(LinkedList_getData(LinkedList_getPrevious(LinkedList_getLast(lista))) == mystring);
	
	// delete
	LinkedList_append(listb, malloc(5));
	LinkedList_append(listb, malloc(10));
	LinkedList_delete(listb);
	
	// getSize
	listb = LinkedList_create();
	assert(LinkedList_getSize(listb) == 0);
	LinkedList_append(listb, malloc(4));
	assert(LinkedList_getSize(listb) == 1);
	LinkedList_append(listb, malloc(4));
	assert(LinkedList_getSize(listb) == 2);
	LinkedList_append(listb, malloc(4));
	assert(LinkedList_getSize(listb) == 3);
	
	// getDataAt
	assert(LinkedList_getDataAt(listb, 0) != NULL);
	assert(LinkedList_getDataAt(listb, 1) != NULL);
	assert(LinkedList_getDataAt(listb, 2) != NULL);
	assert(LinkedList_getDataAt(listb, 3) == NULL);
	assert(LinkedList_getDataAt(lista, 0) == mystring);
	assert(LinkedList_getDataAt(lista, 1) == otherstring);
	assert(LinkedList_getDataAt(lista, 2) == NULL);
	
	return 0;
}