1 use super::*;
2 
3 #[test]
4 fn test_fixed_big_int_set_bit() {
5     let mut bi = FixedBigInt::new(224);
6 
7     bi.set_bit(0);
8     assert_eq!(
9         bi.to_string(),
10         "0000000000000000000000000000000000000000000000000000000000000001"
11     );
12 
13     bi.lsh(1);
14     assert_eq!(
15         bi.to_string(),
16         "0000000000000000000000000000000000000000000000000000000000000002"
17     );
18 
19     bi.lsh(0);
20     assert_eq!(
21         bi.to_string(),
22         "0000000000000000000000000000000000000000000000000000000000000002"
23     );
24 
25     bi.set_bit(10);
26     assert_eq!(
27         bi.to_string(),
28         "0000000000000000000000000000000000000000000000000000000000000402"
29     );
30     bi.lsh(20);
31     assert_eq!(
32         bi.to_string(),
33         "0000000000000000000000000000000000000000000000000000000040200000"
34     );
35 
36     bi.set_bit(80);
37     assert_eq!(
38         bi.to_string(),
39         "0000000000000000000000000000000000000000000100000000000040200000"
40     );
41     bi.lsh(4);
42     assert_eq!(
43         bi.to_string(),
44         "0000000000000000000000000000000000000000001000000000000402000000"
45     );
46 
47     bi.set_bit(130);
48     assert_eq!(
49         bi.to_string(),
50         "0000000000000000000000000000000400000000001000000000000402000000"
51     );
52     bi.lsh(64);
53     assert_eq!(
54         bi.to_string(),
55         "0000000000000004000000000010000000000004020000000000000000000000"
56     );
57 
58     bi.set_bit(7);
59     assert_eq!(
60         bi.to_string(),
61         "0000000000000004000000000010000000000004020000000000000000000080"
62     );
63 
64     bi.lsh(129);
65     assert_eq!(
66         bi.to_string(),
67         "0000000004000000000000000000010000000000000000000000000000000000"
68     );
69 
70     for _ in 0..256 {
71         bi.lsh(1);
72         bi.set_bit(0);
73     }
74     assert_eq!(
75         bi.to_string(),
76         "00000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
77     );
78 }
79