Sha256: b4a6084d8a152a566f8cb240373400549f8515562e8a436fd642c001518ebf1f
Contents?: true
Size: 667 Bytes
Versions: 31
Compression:
Stored size: 667 Bytes
Contents
#[macro_use]
mod sys_common;
use std::fs::File;
use std::io::Read;
use system_interface::io::ReadReady;
#[test]
fn file_is_read_write() {
let mut f = File::open("Cargo.toml").unwrap();
let len = f.metadata().unwrap().len();
assert_eq!(f.num_ready_bytes().unwrap(), len);
let mut buf = [0u8; 6];
f.read_exact(&mut buf).unwrap();
assert_eq!(f.num_ready_bytes().unwrap(), len - (buf.len() as u64));
#[cfg(target_os = "linux")]
{
let f = File::open("/dev/urandom").unwrap();
let _ = f.num_ready_bytes().unwrap();
let f = File::open("/dev/null").unwrap();
let _ = f.num_ready_bytes().unwrap();
}
}
Version data entries
31 entries across 31 versions & 1 rubygems