Running tests...
creating empty list...
OK: first_dlink(new_dlist()) == NULL
OK: last_dlink(new_dlist()) == NULL
adding before and after...
starting from first_dlink(...)...
OK: get_data(next_dlink(...)) == 1
OK: get_data(next_dlink(...)) == 2
OK: get_data(next_dlink(...)) == 3
OK: get_data(next_dlink(...)) == 4
OK: get_data(next_dlink(...)) == 5
OK: get_data(next_dlink(...)) == 6
OK: right number of links
starting from last_dlink(...)...
OK: get_data(prev_dlink(...)) == 6
OK: get_data(prev_dlink(...)) == 5
OK: get_data(prev_dlink(...)) == 4
OK: get_data(prev_dlink(...)) == 3
OK: get_data(prev_dlink(...)) == 2
OK: get_data(prev_dlink(...)) == 1
OK: right number of links
deleting...
creating empty list...
adding after and before...
starting from first_dlink(...)...
OK: get_data(next_dlink(...)) == 1
OK: get_data(next_dlink(...)) == 2
OK: get_data(next_dlink(...)) == 3
OK: get_data(next_dlink(...)) == 4
OK: get_data(next_dlink(...)) == 5
OK: get_data(next_dlink(...)) == 6
OK: right number of links
starting from last_dlink(...)...
OK: get_data(prev_dlink(...)) == 6
OK: get_data(prev_dlink(...)) == 5
OK: get_data(prev_dlink(...)) == 4
OK: get_data(prev_dlink(...)) == 3
OK: get_data(prev_dlink(...)) == 2
OK: get_data(prev_dlink(...)) == 1
OK: right number of links
inserting before and after...
starting from first_dlink(...)...
OK: get_data(next_dlink(...)) == -4
OK: get_data(next_dlink(...)) == -3
OK: get_data(next_dlink(...)) == -2
OK: get_data(next_dlink(...)) == -1
OK: get_data(next_dlink(...)) == 0
OK: get_data(next_dlink(...)) == 1
OK: get_data(next_dlink(...)) == 2
OK: get_data(next_dlink(...)) == 3
OK: get_data(next_dlink(...)) == 4
OK: get_data(next_dlink(...)) == 5
OK: get_data(next_dlink(...)) == 6
OK: get_data(next_dlink(...)) == 7
OK: get_data(next_dlink(...)) == 8
OK: get_data(next_dlink(...)) == 9
OK: get_data(next_dlink(...)) == 10
OK: get_data(next_dlink(...)) == 11
OK: right number of links
starting from last_dlink(...)...
OK: get_data(prev_dlink(...)) == 11
OK: get_data(prev_dlink(...)) == 10
OK: get_data(prev_dlink(...)) == 9
OK: get_data(prev_dlink(...)) == 8
OK: get_data(prev_dlink(...)) == 7
OK: get_data(prev_dlink(...)) == 6
OK: get_data(prev_dlink(...)) == 5
OK: get_data(prev_dlink(...)) == 4
OK: get_data(prev_dlink(...)) == 3
OK: get_data(prev_dlink(...)) == 2
OK: get_data(prev_dlink(...)) == 1
OK: get_data(prev_dlink(...)) == 0
OK: get_data(prev_dlink(...)) == -1
OK: get_data(prev_dlink(...)) == -2
OK: get_data(prev_dlink(...)) == -3
OK: get_data(prev_dlink(...)) == -4
OK: right number of links
removing links...
starting from first_dlink(...)...
OK: get_data(next_dlink(...)) == -2
OK: get_data(next_dlink(...)) == -1
OK: get_data(next_dlink(...)) == 0
OK: get_data(next_dlink(...)) == 2
OK: get_data(next_dlink(...)) == 3
OK: get_data(next_dlink(...)) == 4
OK: get_data(next_dlink(...)) == 5
OK: get_data(next_dlink(...)) == 6
OK: get_data(next_dlink(...)) == 7
OK: get_data(next_dlink(...)) == 8
OK: get_data(next_dlink(...)) == 9
OK: right number of links
starting from last_dlink(...)...
OK: get_data(prev_dlink(...)) == 9
OK: get_data(prev_dlink(...)) == 8
OK: get_data(prev_dlink(...)) == 7
OK: get_data(prev_dlink(...)) == 6
OK: get_data(prev_dlink(...)) == 5
OK: get_data(prev_dlink(...)) == 4
OK: get_data(prev_dlink(...)) == 3
OK: get_data(prev_dlink(...)) == 2
OK: get_data(prev_dlink(...)) == 0
OK: get_data(prev_dlink(...)) == -1
OK: get_data(prev_dlink(...)) == -2
OK: right number of links
deleting...
creating empty list...
inserting link...
removing link...
OK: first_dlink(...) == NULL
OK: last_dlink(...) == NULL
deleting...
All tests passed!