1 #include <ccan/bitmap/bitmap.h>
2 #include <ccan/tap/tap.h>
3 #include <ccan/array_size/array_size.h>
4 #include <ccan/foreach/foreach.h>
6 #include <ccan/bitmap/bitmap.c>
9 1, 2, 3, 4, 5, 6, 7, 8,
11 64, 65, 127, 128, 129,
14 #define NSIZES ARRAY_SIZE(bitmap_sizes)
17 ok((a) == (b), "%s [%u] == %s [%u]", \
18 #a, (unsigned)(a), #b, (unsigned)(b))
20 static void test_size(int nbits)
22 BITMAP_DECLARE(bitmap, nbits);
25 bitmap_zero(bitmap, nbits);
26 ok_eq(bitmap_ffs(bitmap, 0, nbits), nbits);
28 for (i = 0; i < nbits; i++) {
29 bitmap_zero(bitmap, nbits);
30 bitmap_set_bit(bitmap, i);
32 ok_eq(bitmap_ffs(bitmap, 0, nbits), i);
33 ok_eq(bitmap_ffs(bitmap, i, nbits), i);
34 ok_eq(bitmap_ffs(bitmap, i + 1, nbits), nbits);
36 bitmap_zero(bitmap, nbits);
37 bitmap_fill_range(bitmap, i, nbits);
39 ok_eq(bitmap_ffs(bitmap, 0, nbits), i);
40 ok_eq(bitmap_ffs(bitmap, i, nbits), i);
41 ok_eq(bitmap_ffs(bitmap, i + 1, nbits), (i + 1));
42 ok_eq(bitmap_ffs(bitmap, nbits - 1, nbits), (nbits - 1));
45 ok_eq(bitmap_ffs(bitmap, 0, i), i);
46 ok_eq(bitmap_ffs(bitmap, 0, i - 1), (i - 1));
50 bitmap_zero(bitmap, nbits);
51 bitmap_fill_range(bitmap, 0, i);
53 ok_eq(bitmap_ffs(bitmap, 0, nbits), 0);
54 ok_eq(bitmap_ffs(bitmap, i - 1, nbits), (i - 1));
55 ok_eq(bitmap_ffs(bitmap, i, nbits), nbits);
64 /* Too complicated to work out the exact number */
67 for (i = 0; i < NSIZES; i++) {
68 diag("Testing %d-bit bitmap", bitmap_sizes[i]);
69 test_size(bitmap_sizes[i]);
72 /* This exits depending on whether all tests passed */