leb128 0.2.6

Read and write DWARF's "Little Endian Base 128" (LEB128) variable length integer encoding.
Documentation 
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

use leb128;
use quickcheck;

use std::io;

#[test]
fn can_write_any_unsigned_int() {
    fn f(x: u64) -> io::Result<()> {
        let mut v = vec![];
        leb128::write::unsigned(&mut v, x)?;
        Ok(())
    }
    quickcheck::quickcheck(f as fn(u64) -> io::Result<()>);
}

#[test]
fn can_round_trip_any_unsigned_int() {
    fn f(x: u64) -> io::Result<bool> {
        let mut v = vec![];
        leb128::write::unsigned(&mut v, x)?;
        let y = leb128::read::unsigned(&mut &v[..])
            .map_err(|e| io::Error::new(io::ErrorKind::Other, e))?;
        Ok(x == y)
    }
    quickcheck::quickcheck(f as fn(u64) -> io::Result<bool>);
}

#[test]
fn can_write_any_signed_int() {
    fn f(x: i64) -> io::Result<()> {
        let mut v = vec![];
        leb128::write::signed(&mut v, x)?;
        Ok(())
    }
    quickcheck::quickcheck(f as fn(i64) -> io::Result<()>);
}

#[test]
fn can_round_trip_any_signed_int() {
    fn f(x: i64) -> io::Result<bool> {
        let mut v = vec![];
        leb128::write::signed(&mut v, x)?;
        let y = leb128::read::signed(&mut &v[..])
            .map_err(|e| io::Error::new(io::ErrorKind::Other, e))?;
        Ok(x == y)
    }
    quickcheck::quickcheck(f as fn(i64) -> io::Result<bool>);
}