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use rand::{thread_rng, Rng};
use nix::sys::socket::{socket, sockopt, getsockopt, setsockopt, AddressFamily, SockType, SockFlag, SockProtocol};
#[test]
fn test_so_buf() {
let fd = socket(AddressFamily::Inet, SockType::Datagram, SockFlag::empty(), SockProtocol::Udp)
.unwrap();
let bufsize: usize = thread_rng().gen_range(4096, 131072);
setsockopt(fd, sockopt::SndBuf, &bufsize).unwrap();
let actual = getsockopt(fd, sockopt::SndBuf).unwrap();
assert!(actual >= bufsize);
setsockopt(fd, sockopt::RcvBuf, &bufsize).unwrap();
let actual = getsockopt(fd, sockopt::RcvBuf).unwrap();
assert!(actual >= bufsize);
}
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