1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
extern crate podio;
use std::io;
use podio::{LittleEndian, BigEndian};
use podio::{ReadPodExt, WritePodExt};
#[test]
fn write_be() {
let buf: &mut [u8] = &mut [0u8; 8];
let mut writer = io::Cursor::new(buf);
writer.set_position(0);
writer.write_u64::<BigEndian>(0x01_23_45_67_89_ab_cd_ef).unwrap();
assert_eq!(&writer.get_ref()[0..8], &[0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]);
writer.set_position(0);
writer.write_u32::<BigEndian>(0x01_23_45_67).unwrap();
assert_eq!(&writer.get_ref()[0..4], &[0x01, 0x23, 0x45, 0x67]);
writer.set_position(0);
writer.write_u16::<BigEndian>(0x01_23).unwrap();
assert_eq!(&writer.get_ref()[0..2], &[0x01, 0x23]);
}
#[test]
fn write_le() {
let buf: &mut [u8] = &mut [0u8; 8];
let mut writer = io::Cursor::new(buf);
writer.set_position(0);
writer.write_u64::<LittleEndian>(0x01_23_45_67_89_ab_cd_ef).unwrap();
assert_eq!(&writer.get_ref()[0..8], &[0xef, 0xcd, 0xab, 0x89, 0x67, 0x45, 0x23, 0x01]);
writer.set_position(0);
writer.write_u32::<LittleEndian>(0x01_23_45_67).unwrap();
assert_eq!(&writer.get_ref()[0..4], &[0x67, 0x45, 0x23, 0x01]);
writer.set_position(0);
writer.write_u16::<LittleEndian>(0x01_23).unwrap();
assert_eq!(&writer.get_ref()[0..2], &[0x23, 0x01]);
}
#[test]
fn write_octet() {
let buf: &mut [u8] = &mut [0u8; 8];
let mut writer = io::Cursor::new(buf);
writer.set_position(0);
writer.write_u8(0x01).unwrap();
assert_eq!(&writer.get_ref()[0..1], &[0x01]);
}
#[test]
fn write_float() {
let buf: &mut [u8] = &mut [0u8; 8];
let mut writer = io::Cursor::new(buf);
writer.set_position(0);
writer.write_f32::<LittleEndian>(10.12f32).unwrap();
assert_eq!(&writer.get_ref()[0..4], &[0x85, 0xEB, 0x21, 0x41]);
writer.set_position(0);
writer.write_f32::<BigEndian>(10.12f32).unwrap();
assert_eq!(&writer.get_ref()[0..4], &[0x41, 0x21, 0xEB, 0x85]);
writer.set_position(0);
writer.write_f64::<LittleEndian>(10.12f64).unwrap();
assert_eq!(&writer.get_ref()[0..8], &[0x3D, 0x0A, 0xD7, 0xA3, 0x70, 0x3D, 0x24, 0x40]);
writer.set_position(0);
writer.write_f64::<BigEndian>(10.12f64).unwrap();
assert_eq!(&writer.get_ref()[0..8], &[0x40, 0x24, 0x3D, 0x70, 0xA3, 0xD7, 0x0A, 0x3D]);
}
#[test]
fn read_be() {
let buf: &[u8] = &[0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef];
let mut reader = io::Cursor::new(buf);
reader.set_position(0);
assert_eq!(reader.read_u64::<BigEndian>().unwrap(), 0x0123456789abcdef);
reader.set_position(0);
assert_eq!(reader.read_u32::<BigEndian>().unwrap(), 0x01234567);
reader.set_position(0);
assert_eq!(reader.read_u16::<BigEndian>().unwrap(), 0x0123);
}
#[test]
fn read_le() {
let buf: &[u8] = &[0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef];
let mut reader = io::Cursor::new(buf);
reader.set_position(0);
assert_eq!(reader.read_u64::<LittleEndian>().unwrap(), 0xefcdab8967452301);
reader.set_position(0);
assert_eq!(reader.read_u32::<LittleEndian>().unwrap(), 0x67452301);
reader.set_position(0);
assert_eq!(reader.read_u16::<LittleEndian>().unwrap(), 0x2301);
}
#[test]
fn read_octet() {
let buf: &[u8] = &[0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef];
let mut reader = io::Cursor::new(buf);
reader.set_position(0);
assert_eq!(reader.read_u8().unwrap(), 0x01);
}
#[test]
fn read_float() {
let mut buf: &[u8] = &[0x41, 0x21, 0xEB, 0x85];
assert_eq!(buf.read_f32::<BigEndian>().unwrap(), 10.12f32);
let mut buf: &[u8] = &[0x85, 0xEB, 0x21, 0x41];
assert_eq!(buf.read_f32::<LittleEndian>().unwrap(), 10.12f32);
let mut buf: &[u8] = &[0x40, 0x24, 0x3D, 0x70, 0xA3, 0xD7, 0x0A, 0x3D];
assert_eq!(buf.read_f64::<BigEndian>().unwrap(), 10.12f64);
let mut buf: &[u8] = &[0x3D, 0x0A, 0xD7, 0xA3, 0x70, 0x3D, 0x24, 0x40];
assert_eq!(buf.read_f64::<LittleEndian>().unwrap(), 10.12f64);
}
#[test]
fn read_exact() {
let mut buf: &[u8] = &[1, 2, 3, 4, 5, 6, 7, 8];
assert_eq!(buf.read_exact(2).unwrap(), [1,2]);
assert_eq!(buf.read_exact(1).unwrap(), [3]);
assert_eq!(buf.read_exact(0).unwrap(), []);
assert_eq!(buf.read_exact(5).unwrap(), [4,5,6,7,8]);
assert_eq!(buf.read_exact(0).unwrap(), []);
assert!(buf.read_exact(1).is_err());
assert_eq!(buf.read_exact(0).unwrap(), []);
}
|
