assert_se(streq(path_get_file_name("file.../"), ""));
#define test_parent(x, y) { \
assert_se(streq(path_get_file_name("file.../"), ""));
#define test_parent(x, y) { \
int r = path_get_parent(x, &z); \
printf("expected: %s\n", y ? y : "error"); \
printf("actual: %s\n", r<0 ? "error" : z); \
int r = path_get_parent(x, &z); \
printf("expected: %s\n", y ? y : "error"); \
printf("actual: %s\n", r<0 ? "error" : z); \