END_TEST
START_TEST (test_line_parallel) {
float nan = 0;
line_destroy (m); // lol misusing test fixtures :(
m = line_create (7234.0, 725.23, 0.0003, -12.6);
nan = line_findIntersection (m, l, LINE_SETINTERSECTION);
fail_unless (
line_countTvals (m) == 0
&& line_countTvals (l) == 0,
"Parallel lines do not intersect; they must not create intersection points on either line."
);
fail_unless (
nan != nan,
"Functions which return a t value for intersection must return NaN when lines do not intersect.");
}
/*
void line_list_delete(line_list_t *list)
{
dlink_t *link;
line_t *line;
assert(list);
for (link = list->tail->next; link != list->head; link = link->next) {
line = (line_t *)link->object;
line_(line);
}
}
*/
void line_list_destroy(line_list_t *list)
{
dlink_t *link;
assert(list);
if (line_list_get_ref(list) <= 0) {
while (line_list_get_count(list) > 0) {
link = dlist_pop((dlist_t *)list);
line_destroy((line_t *)link->object);
dlink_destroy(link);
}
dlist_destroy((dlist_t *)list);
} else {
line_list_dec_ref(list);
}
}
void intersect_teardown (void) {
line_destroy (l);
line_destroy (m);
l = m = NULL;
}
void lengthen_teardown (void) {
line_destroy (j);
j = NULL;
}
void base_teardown (void) {
line_destroy (l);
l = NULL;
}
