v
Зеркало из https://github.com/vlang/v
1module binary
2
3// Little Endian Tests
4
5fn test_little_endian_u16_fixed() {
6assert little_endian_u16_fixed([u8(0), 0]!) == u16(0)
7assert little_endian_u16_fixed([u8(5), 4]!) == u16(0x0405)
8assert little_endian_u16_fixed([u8(0x35), 0x57]!) == u16(0x5735)
9assert little_endian_u16_fixed([u8(0x35), 0x57]!) != u16(0x3557)
10}
11
12fn test_little_endian_put_u16_fixed() {
13mut buf := [2]u8{}
14little_endian_put_u16_fixed(mut buf, 0x8725)
15assert buf == [u8(0x25), 0x87]!
16little_endian_put_u16_fixed(mut buf, 0)
17assert buf == [u8(0), 0]!
18little_endian_put_u16_fixed(mut buf, 0xfdff)
19assert buf == [u8(0xff), 0xfd]!
20}
21
22fn test_little_endian_u32_fixed() {
23assert little_endian_u32_fixed([u8(0), 0, 0, 0]!) == u32(0)
24assert little_endian_u32_fixed([u8(5), 4, 9, 1]!) == u32(0x01090405)
25assert little_endian_u32_fixed([u8(0xf8), 0xa2, 0x9e, 0x21]!) == u32(0x219ea2f8)
26assert little_endian_u32_fixed([u8(0xf8), 0xa2, 0x9e, 0x21]!) != u32(0xf8a29e21)
27}
28
29fn test_little_endian_put_u32_fixed() {
30mut buf := [4]u8{}
31little_endian_put_u32_fixed(mut buf, 0x872fea95)
32assert buf == [u8(0x95), 0xea, 0x2f, 0x87]!
33little_endian_put_u32_fixed(mut buf, 0)
34assert buf == [u8(0), 0, 0, 0]!
35little_endian_put_u32_fixed(mut buf, 0xfdf2e68f)
36assert buf == [u8(0x8f), 0xe6, 0xf2, 0xfd]!
37}
38
39fn test_little_endian_u64_fixed() {
40assert little_endian_u64_fixed([u8(0), 0, 0, 0, 0, 0, 0, 0]!) == u64(0)
41assert little_endian_u64_fixed([u8(5), 4, 9, 1, 7, 3, 6, 8]!) == u64(0x0806030701090405)
42assert little_endian_u64_fixed([u8(0xf8), 0xa2, 0x9e, 0x21, 0x7f, 0x9f, 0x8e, 0x8f]!) == u64(0x8f8e9f7f219ea2f8)
43assert little_endian_u64_fixed([u8(0xf8), 0xa2, 0x9e, 0x21, 0x7f, 0x9f, 0x8e, 0x8f]!) != u64(0xf8a29e217f9f8e8f)
44}
45
46fn test_little_endian_put_u64_fixed() {
47mut buf := [8]u8{}
48little_endian_put_u64_fixed(mut buf, 0x872fea95fdf2e68f)
49assert buf == [u8(0x8f), 0xe6, 0xf2, 0xfd, 0x95, 0xea, 0x2f, 0x87]!
50little_endian_put_u64_fixed(mut buf, 0)
51assert buf == [u8(0), 0, 0, 0, 0, 0, 0, 0]!
52little_endian_put_u64_fixed(mut buf, 0xfdf2e68f8e9f7f21)
53assert buf == [u8(0x21), 0x7f, 0x9f, 0x8e, 0x8f, 0xe6, 0xf2, 0xfd]!
54}
55