Testing with TEST_LENGTH = 32
test _bit_byte, _bit_mask, and bitstr_size
i _bit_byte(i) _bit_mask(i) bitstr_size(i)
0 0 1 0
1 0 2 1
2 0 4 1
3 0 8 1
4 0 16 1
5 0 32 1
6 0 64 1
7 0 128 1
8 1 1 1
9 1 2 2
10 1 4 2
11 1 8 2
12 1 16 2
13 1 32 2
14 1 64 2
15 1 128 2
16 2 1 2
17 2 2 3
18 2 4 3
19 2 8 3
20 2 16 3
21 2 32 3
22 2 64 3
23 2 128 3
24 3 1 3
25 3 2 4
26 3 4 4
27 3 8 4
28 3 16 4
29 3 32 4
30 3 64 4
31 3 128 4
test bit_alloc, clearbits, bit_ffc, bit_ffs
be: 0 -1 00000000000000000000000000000000
is: 0 -1 00000000000000000000000000000000
test bit_set
be: 1 0 10010010010010010010010010010010
is: 1 0 10010010010010010010010010010010
test bit_clear
be: 0 3 00010000010000010000010000010000
is: 0 3 00010000010000010000010000010000
test bit_test using previous bitstring
i bit_test(i)
0 0
1 0
2 0
3 8
4 0
5 0
6 0
7 0
8 0
9 2
10 0
11 0
12 0
13 0
14 0
15 128
16 0
17 0
18 0
19 0
20 0
21 32
22 0
23 0
24 0
25 0
26 0
27 8
28 0
29 0
30 0
31 0
test clearbits
be: 0 -1 00000000000000000000000000000000
is: 0 -1 00000000000000000000000000000000
test bit_nset and bit_nclear
be: 0 1 01111111111111111111111111111110
is: 0 1 01111111111111111111111111111110
be: 0 1 01000000000000000000000000000010
is: 0 1 01000000000000000000000000000010
be: 0 -1 00000000000000000000000000000000
is: 0 -1 00000000000000000000000000000000
be: 31 0 11111111111111111111111111111110
is: 31 0 11111111111111111111111111111110
be: 0 -1 00000000000000000000000000000000
is: 0 -1 00000000000000000000000000000000
first 1 bit should move right 1 position each line
0 -1 0 11111111111111111111111111111111
1 0 1 01111111111111111111111111111111
2 0 2 00111111111111111111111111111111
3 0 3 00011111111111111111111111111111
4 0 4 00001111111111111111111111111111
5 0 5 00000111111111111111111111111111
6 0 6 00000011111111111111111111111111
7 0 7 00000001111111111111111111111111
8 0 8 00000000111111111111111111111111
9 0 9 00000000011111111111111111111111
10 0 10 00000000001111111111111111111111
11 0 11 00000000000111111111111111111111
12 0 12 00000000000011111111111111111111
13 0 13 00000000000001111111111111111111
14 0 14 00000000000000111111111111111111
15 0 15 00000000000000011111111111111111
16 0 16 00000000000000001111111111111111
17 0 17 00000000000000000111111111111111
18 0 18 00000000000000000011111111111111
19 0 19 00000000000000000001111111111111
20 0 20 00000000000000000000111111111111
21 0 21 00000000000000000000011111111111
22 0 22 00000000000000000000001111111111
23 0 23 00000000000000000000000111111111
24 0 24 00000000000000000000000011111111
25 0 25 00000000000000000000000001111111
26 0 26 00000000000000000000000000111111
27 0 27 00000000000000000000000000011111
28 0 28 00000000000000000000000000001111
29 0 29 00000000000000000000000000000111
30 0 30 00000000000000000000000000000011
31 0 31 00000000000000000000000000000001
first 0 bit should move right 1 position each line
0 0 -1 00000000000000000000000000000000
1 1 0 10000000000000000000000000000000
2 2 0 11000000000000000000000000000000
3 3 0 11100000000000000000000000000000
4 4 0 11110000000000000000000000000000
5 5 0 11111000000000000000000000000000
6 6 0 11111100000000000000000000000000
7 7 0 11111110000000000000000000000000
8 8 0 11111111000000000000000000000000
9 9 0 11111111100000000000000000000000
10 10 0 11111111110000000000000000000000
11 11 0 11111111111000000000000000000000
12 12 0 11111111111100000000000000000000
13 13 0 11111111111110000000000000000000
14 14 0 11111111111111000000000000000000
15 15 0 11111111111111100000000000000000
16 16 0 11111111111111110000000000000000
17 17 0 11111111111111111000000000000000
18 18 0 11111111111111111100000000000000
19 19 0 11111111111111111110000000000000
20 20 0 11111111111111111111000000000000
21 21 0 11111111111111111111100000000000
22 22 0 11111111111111111111110000000000
23 23 0 11111111111111111111111000000000
24 24 0 11111111111111111111111100000000
25 25 0 11111111111111111111111110000000
26 26 0 11111111111111111111111111000000
27 27 0 11111111111111111111111111100000
28 28 0 11111111111111111111111111110000
29 29 0 11111111111111111111111111111000
30 30 0 11111111111111111111111111111100
31 31 0 11111111111111111111111111111110
first 0 bit should move left 1 position each line
0 -1 0 11111111111111111111111111111111
1 31 0 11111111111111111111111111111110
2 30 0 11111111111111111111111111111100
3 29 0 11111111111111111111111111111000
4 28 0 11111111111111111111111111110000
5 27 0 11111111111111111111111111100000
6 26 0 11111111111111111111111111000000
7 25 0 11111111111111111111111110000000
8 24 0 11111111111111111111111100000000
9 23 0 11111111111111111111111000000000
10 22 0 11111111111111111111110000000000
11 21 0 11111111111111111111100000000000
12 20 0 11111111111111111111000000000000
13 19 0 11111111111111111110000000000000
14 18 0 11111111111111111100000000000000
15 17 0 11111111111111111000000000000000
16 16 0 11111111111111110000000000000000
17 15 0 11111111111111100000000000000000
18 14 0 11111111111111000000000000000000
19 13 0 11111111111110000000000000000000
20 12 0 11111111111100000000000000000000
21 11 0 11111111111000000000000000000000
22 10 0 11111111110000000000000000000000
23 9 0 11111111100000000000000000000000
24 8 0 11111111000000000000000000000000
25 7 0 11111110000000000000000000000000
26 6 0 11111100000000000000000000000000
27 5 0 11111000000000000000000000000000
28 4 0 11110000000000000000000000000000
29 3 0 11100000000000000000000000000000
30 2 0 11000000000000000000000000000000
31 1 0 10000000000000000000000000000000
first 1 bit should move left 1 position each line
0 0 -1 00000000000000000000000000000000
1 0 31 00000000000000000000000000000001
2 0 30 00000000000000000000000000000011
3 0 29 00000000000000000000000000000111
4 0 28 00000000000000000000000000001111
5 0 27 00000000000000000000000000011111
6 0 26 00000000000000000000000000111111
7 0 25 00000000000000000000000001111111
8 0 24 00000000000000000000000011111111
9 0 23 00000000000000000000000111111111
10 0 22 00000000000000000000001111111111
11 0 21 00000000000000000000011111111111
12 0 20 00000000000000000000111111111111
13 0 19 00000000000000000001111111111111
14 0 18 00000000000000000011111111111111
15 0 17 00000000000000000111111111111111
16 0 16 00000000000000001111111111111111
17 0 15 00000000000000011111111111111111
18 0 14 00000000000000111111111111111111
19 0 13 00000000000001111111111111111111
20 0 12 00000000000011111111111111111111
21 0 11 00000000000111111111111111111111
22 0 10 00000000001111111111111111111111
23 0 9 00000000011111111111111111111111
24 0 8 00000000111111111111111111111111
25 0 7 00000001111111111111111111111111
26 0 6 00000011111111111111111111111111
27 0 5 00000111111111111111111111111111
28 0 4 00001111111111111111111111111111
29 0 3 00011111111111111111111111111111
30 0 2 00111111111111111111111111111111
31 0 1 01111111111111111111111111111111
0 bit should move right 1 position each line
0 0 1 01111111111111111111111111111111
1 1 0 10111111111111111111111111111111
2 2 0 11011111111111111111111111111111
3 3 0 11101111111111111111111111111111
4 4 0 11110111111111111111111111111111
5 5 0 11111011111111111111111111111111
6 6 0 11111101111111111111111111111111
7 7 0 11111110111111111111111111111111
8 8 0 11111111011111111111111111111111
9 9 0 11111111101111111111111111111111
10 10 0 11111111110111111111111111111111
11 11 0 11111111111011111111111111111111
12 12 0 11111111111101111111111111111111
13 13 0 11111111111110111111111111111111
14 14 0 11111111111111011111111111111111
15 15 0 11111111111111101111111111111111
16 16 0 11111111111111110111111111111111
17 17 0 11111111111111111011111111111111
18 18 0 11111111111111111101111111111111
19 19 0 11111111111111111110111111111111
20 20 0 11111111111111111111011111111111
21 21 0 11111111111111111111101111111111
22 22 0 11111111111111111111110111111111
23 23 0 11111111111111111111111011111111
24 24 0 11111111111111111111111101111111
25 25 0 11111111111111111111111110111111
26 26 0 11111111111111111111111111011111
27 27 0 11111111111111111111111111101111
28 28 0 11111111111111111111111111110111
29 29 0 11111111111111111111111111111011
30 30 0 11111111111111111111111111111101
31 31 0 11111111111111111111111111111110
1 bit should move right 1 position each line
0 1 0 10000000000000000000000000000000
1 0 1 01000000000000000000000000000000
2 0 2 00100000000000000000000000000000
3 0 3 00010000000000000000000000000000
4 0 4 00001000000000000000000000000000
5 0 5 00000100000000000000000000000000
6 0 6 00000010000000000000000000000000
7 0 7 00000001000000000000000000000000
8 0 8 00000000100000000000000000000000
9 0 9 00000000010000000000000000000000
10 0 10 00000000001000000000000000000000
11 0 11 00000000000100000000000000000000
12 0 12 00000000000010000000000000000000
13 0 13 00000000000001000000000000000000
14 0 14 00000000000000100000000000000000
15 0 15 00000000000000010000000000000000
16 0 16 00000000000000001000000000000000
17 0 17 00000000000000000100000000000000
18 0 18 00000000000000000010000000000000
19 0 19 00000000000000000001000000000000
20 0 20 00000000000000000000100000000000
21 0 21 00000000000000000000010000000000
22 0 22 00000000000000000000001000000000
23 0 23 00000000000000000000000100000000
24 0 24 00000000000000000000000010000000
25 0 25 00000000000000000000000001000000
26 0 26 00000000000000000000000000100000
27 0 27 00000000000000000000000000010000
28 0 28 00000000000000000000000000001000
29 0 29 00000000000000000000000000000100
30 0 30 00000000000000000000000000000010
31 0 31 00000000000000000000000000000001