]> git.ozlabs.org Git - ccan/blob - ccan/tal/test/run.c
tal: make tal_next() only return immediate children.
[ccan] / ccan / tal / test / run.c
1 #include <ccan/tal/tal.h>
2 #include <ccan/tal/tal.c>
3 #include <ccan/tap/tap.h>
4
5 int main(void)
6 {
7         char *parent, *c[4], *p;
8         int i, j;
9
10         plan_tests(14);
11
12         /* tal_free(NULL) works. */
13         ok1(tal_free(NULL) == NULL);
14
15         parent = tal(NULL, char);
16         ok1(parent);
17         ok1(tal_parent(parent) == NULL);
18         ok1(tal_parent(NULL) == NULL);
19
20         for (i = 0; i < 4; i++)
21                 c[i] = tal(parent, char);
22
23         for (i = 0; i < 4; i++)
24                 ok1(tal_parent(c[i]) == parent);
25
26         /* Iteration test. */
27         i = 0;
28         for (p = tal_first(parent); p; p = tal_next(p)) {
29                 *p = '1';
30                 i++;
31         }
32         ok1(i == 4);
33         ok1(*c[0] == '1');
34         ok1(*c[1] == '1');
35         ok1(*c[2] == '1');
36         ok1(*c[3] == '1');
37
38         /* Free parent. */
39         ok1(tal_free(parent) == NULL);
40
41         parent = tal(NULL, char);
42
43         /* Test freeing in every order */
44         for (i = 0; i < 4; i++) {
45                 for (j = 0; j < 4; j++)
46                         c[j] = tal(parent, char);
47
48                 tal_free(c[i]);
49                 debug_tal(to_tal_hdr(parent));
50                 tal_free(c[(i+1) % 4]);
51                 debug_tal(to_tal_hdr(parent));
52                 tal_free(c[(i+2) % 4]);
53                 debug_tal(to_tal_hdr(parent));
54                 tal_free(c[(i+3) % 4]);
55                 debug_tal(to_tal_hdr(parent));
56         }
57         tal_free(parent);
58
59         tal_cleanup();
60         return exit_status();
61 }