gecko-dev/third_party/rust/leb128/tests/quickchecks.rs

49 строки
1.2 KiB
Rust

extern crate leb128;
extern crate 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>);
}