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#[cfg(any(unix, target_os = "wasi"))]
#[test]
fn test_raw_fd() {
#[cfg(unix)]
use crate::os::unix::io::{AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, RawFd};
#[cfg(target_os = "wasi")]
use crate::os::wasi::io::{AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, RawFd};
let raw_fd: RawFd = crate::io::stdin().as_raw_fd();
let stdin_as_file = unsafe { crate::fs::File::from_raw_fd(raw_fd) };
assert_eq!(stdin_as_file.as_raw_fd(), raw_fd);
assert_eq!(unsafe { BorrowedFd::borrow_raw(raw_fd).as_raw_fd() }, raw_fd);
assert_eq!(stdin_as_file.into_raw_fd(), 0);
}
#[cfg(any(unix, target_os = "wasi"))]
#[test]
fn test_fd() {
#[cfg(unix)]
use crate::os::unix::io::{AsFd, AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, OwnedFd, RawFd};
#[cfg(target_os = "wasi")]
use crate::os::wasi::io::{AsFd, AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, OwnedFd, RawFd};
let stdin = crate::io::stdin();
let fd: BorrowedFd<'_> = stdin.as_fd();
let raw_fd: RawFd = fd.as_raw_fd();
let owned_fd: OwnedFd = unsafe { OwnedFd::from_raw_fd(raw_fd) };
let stdin_as_file = crate::fs::File::from(owned_fd);
assert_eq!(stdin_as_file.as_fd().as_raw_fd(), raw_fd);
assert_eq!(Into::<OwnedFd>::into(stdin_as_file).into_raw_fd(), raw_fd);
}
#[cfg(any(unix, target_os = "wasi"))]
#[test]
fn test_niche_optimizations() {
use crate::mem::size_of;
#[cfg(unix)]
use crate::os::unix::io::{BorrowedFd, FromRawFd, IntoRawFd, OwnedFd, RawFd};
#[cfg(target_os = "wasi")]
use crate::os::wasi::io::{BorrowedFd, FromRawFd, IntoRawFd, OwnedFd, RawFd};
assert_eq!(size_of::<Option<OwnedFd>>(), size_of::<RawFd>());
assert_eq!(size_of::<Option<BorrowedFd<'static>>>(), size_of::<RawFd>());
unsafe {
assert_eq!(OwnedFd::from_raw_fd(RawFd::MIN).into_raw_fd(), RawFd::MIN);
assert_eq!(OwnedFd::from_raw_fd(RawFd::MAX).into_raw_fd(), RawFd::MAX);
assert_eq!(Some(OwnedFd::from_raw_fd(RawFd::MIN)).unwrap().into_raw_fd(), RawFd::MIN);
assert_eq!(Some(OwnedFd::from_raw_fd(RawFd::MAX)).unwrap().into_raw_fd(), RawFd::MAX);
}
}
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