1 #include <ccan/tally/tally.c>
2 #include <ccan/tap/tap.h>
7 ssize_t total
, overflow
;
10 max
= (ssize_t
)~(1ULL << (sizeof(max
)*CHAR_BIT
- 1));
11 min
= (ssize_t
)(1ULL << (sizeof(max
)*CHAR_BIT
- 1));
17 tally_add(tally
, min
);
18 ok1(tally_total(tally
, NULL
) == min
);
19 ok1(tally_total(tally
, &overflow
) == min
);
23 tally_add(tally
, min
);
24 total
= tally_total(tally
, &overflow
);
26 ok1((size_t)total
== 0);
27 ok1(tally_total(tally
, NULL
) == min
);
32 tally_add(tally
, max
);
33 ok1(tally_total(tally
, NULL
) == max
);
34 ok1(tally_total(tally
, &overflow
) == max
);
37 /* Overflow into sign bit... */
38 tally_add(tally
, max
);
39 total
= tally_total(tally
, &overflow
);
41 ok1((size_t)total
== (size_t)-2);
42 ok1(tally_total(tally
, NULL
) == max
);
44 /* Overflow into upper size_t. */
45 tally_add(tally
, max
);
46 total
= tally_total(tally
, &overflow
);
48 if (sizeof(size_t) == 4)
49 ok1((size_t)total
== 0x7FFFFFFD);
50 else if (sizeof(size_t) == 8)
51 ok1((size_t)total
== 0x7FFFFFFFFFFFFFFDULL
);
52 ok1(tally_total(tally
, NULL
) == max
);