diff options
Diffstat (limited to 'third_party/rust/nix/test/sys/test_select.rs')
| -rw-r--r-- | third_party/rust/nix/test/sys/test_select.rs | 247 |
1 files changed, 229 insertions, 18 deletions
diff --git a/third_party/rust/nix/test/sys/test_select.rs b/third_party/rust/nix/test/sys/test_select.rs index 79f75de3b4..e39a31923a 100644 --- a/third_party/rust/nix/test/sys/test_select.rs +++ b/third_party/rust/nix/test/sys/test_select.rs @@ -1,22 +1,20 @@ use nix::sys::select::*; use nix::sys::signal::SigSet; -use nix::sys::time::{TimeSpec, TimeValLike}; +use nix::sys::time::{TimeSpec, TimeVal, TimeValLike}; use nix::unistd::{pipe, write}; -use std::os::unix::io::{AsRawFd, BorrowedFd, FromRawFd, OwnedFd}; +use std::os::unix::io::{AsFd, AsRawFd, BorrowedFd, RawFd}; #[test] pub fn test_pselect() { let _mtx = crate::SIGNAL_MTX.lock(); let (r1, w1) = pipe().unwrap(); - write(w1, b"hi!").unwrap(); - let r1 = unsafe { OwnedFd::from_raw_fd(r1) }; + write(&w1, b"hi!").unwrap(); let (r2, _w2) = pipe().unwrap(); - let r2 = unsafe { OwnedFd::from_raw_fd(r2) }; let mut fd_set = FdSet::new(); - fd_set.insert(&r1); - fd_set.insert(&r2); + fd_set.insert(r1.as_fd()); + fd_set.insert(r2.as_fd()); let timeout = TimeSpec::seconds(10); let sigmask = SigSet::empty(); @@ -24,21 +22,19 @@ pub fn test_pselect() { 1, pselect(None, &mut fd_set, None, None, &timeout, &sigmask).unwrap() ); - assert!(fd_set.contains(&r1)); - assert!(!fd_set.contains(&r2)); + assert!(fd_set.contains(r1.as_fd())); + assert!(!fd_set.contains(r2.as_fd())); } #[test] pub fn test_pselect_nfds2() { let (r1, w1) = pipe().unwrap(); - write(w1, b"hi!").unwrap(); - let r1 = unsafe { OwnedFd::from_raw_fd(r1) }; + write(&w1, b"hi!").unwrap(); let (r2, _w2) = pipe().unwrap(); - let r2 = unsafe { OwnedFd::from_raw_fd(r2) }; let mut fd_set = FdSet::new(); - fd_set.insert(&r1); - fd_set.insert(&r2); + fd_set.insert(r1.as_fd()); + fd_set.insert(r2.as_fd()); let timeout = TimeSpec::seconds(10); assert_eq!( @@ -53,8 +49,8 @@ pub fn test_pselect_nfds2() { ) .unwrap() ); - assert!(fd_set.contains(&r1)); - assert!(!fd_set.contains(&r2)); + assert!(fd_set.contains(r1.as_fd())); + assert!(!fd_set.contains(r2.as_fd())); } macro_rules! generate_fdset_bad_fd_tests { @@ -64,7 +60,7 @@ macro_rules! generate_fdset_bad_fd_tests { #[should_panic] fn $method() { let bad_fd = unsafe{BorrowedFd::borrow_raw($fd)}; - FdSet::new().$method(&bad_fd); + FdSet::new().$method(bad_fd); } )* } @@ -72,7 +68,6 @@ macro_rules! generate_fdset_bad_fd_tests { mod test_fdset_too_large_fd { use super::*; - use std::convert::TryInto; generate_fdset_bad_fd_tests!( FD_SETSIZE.try_into().unwrap(), insert, @@ -80,3 +75,219 @@ mod test_fdset_too_large_fd { contains, ); } + +#[test] +fn fdset_insert() { + let mut fd_set = FdSet::new(); + + for i in 0..FD_SETSIZE { + let borrowed_i = unsafe { BorrowedFd::borrow_raw(i as RawFd) }; + assert!(!fd_set.contains(borrowed_i)); + } + + let fd_seven = unsafe { BorrowedFd::borrow_raw(7) }; + fd_set.insert(fd_seven); + + assert!(fd_set.contains(fd_seven)); +} + +#[test] +fn fdset_remove() { + let mut fd_set = FdSet::new(); + + for i in 0..FD_SETSIZE { + let borrowed_i = unsafe { BorrowedFd::borrow_raw(i as RawFd) }; + assert!(!fd_set.contains(borrowed_i)); + } + + let fd_seven = unsafe { BorrowedFd::borrow_raw(7) }; + fd_set.insert(fd_seven); + fd_set.remove(fd_seven); + + for i in 0..FD_SETSIZE { + let borrowed_i = unsafe { BorrowedFd::borrow_raw(i as RawFd) }; + assert!(!fd_set.contains(borrowed_i)); + } +} + +#[test] +#[allow(non_snake_case)] +fn fdset_clear() { + let mut fd_set = FdSet::new(); + let fd_one = unsafe { BorrowedFd::borrow_raw(1) }; + let fd_FD_SETSIZE_divided_by_two = + unsafe { BorrowedFd::borrow_raw((FD_SETSIZE / 2) as RawFd) }; + let fd_FD_SETSIZE_minus_one = + unsafe { BorrowedFd::borrow_raw((FD_SETSIZE - 1) as RawFd) }; + fd_set.insert(fd_one); + fd_set.insert(fd_FD_SETSIZE_divided_by_two); + fd_set.insert(fd_FD_SETSIZE_minus_one); + + fd_set.clear(); + + for i in 0..FD_SETSIZE { + let borrowed_i = unsafe { BorrowedFd::borrow_raw(i as RawFd) }; + assert!(!fd_set.contains(borrowed_i)); + } +} + +#[test] +fn fdset_highest() { + let mut set = FdSet::new(); + assert_eq!( + set.highest().map(|borrowed_fd| borrowed_fd.as_raw_fd()), + None + ); + let fd_zero = unsafe { BorrowedFd::borrow_raw(0) }; + let fd_ninety = unsafe { BorrowedFd::borrow_raw(90) }; + set.insert(fd_zero); + assert_eq!( + set.highest().map(|borrowed_fd| borrowed_fd.as_raw_fd()), + Some(0) + ); + set.insert(fd_ninety); + assert_eq!( + set.highest().map(|borrowed_fd| borrowed_fd.as_raw_fd()), + Some(90) + ); + set.remove(fd_zero); + assert_eq!( + set.highest().map(|borrowed_fd| borrowed_fd.as_raw_fd()), + Some(90) + ); + set.remove(fd_ninety); + assert_eq!( + set.highest().map(|borrowed_fd| borrowed_fd.as_raw_fd()), + None + ); + + let fd_four = unsafe { BorrowedFd::borrow_raw(4) }; + let fd_five = unsafe { BorrowedFd::borrow_raw(5) }; + let fd_seven = unsafe { BorrowedFd::borrow_raw(7) }; + set.insert(fd_four); + set.insert(fd_five); + set.insert(fd_seven); + assert_eq!( + set.highest().map(|borrowed_fd| borrowed_fd.as_raw_fd()), + Some(7) + ); +} + +#[test] +fn fdset_fds() { + let mut set = FdSet::new(); + let fd_zero = unsafe { BorrowedFd::borrow_raw(0) }; + let fd_ninety = unsafe { BorrowedFd::borrow_raw(90) }; + assert_eq!( + set.fds(None) + .map(|borrowed_fd| borrowed_fd.as_raw_fd()) + .collect::<Vec<_>>(), + vec![] + ); + set.insert(fd_zero); + assert_eq!( + set.fds(None) + .map(|borrowed_fd| borrowed_fd.as_raw_fd()) + .collect::<Vec<_>>(), + vec![0] + ); + set.insert(fd_ninety); + assert_eq!( + set.fds(None) + .map(|borrowed_fd| borrowed_fd.as_raw_fd()) + .collect::<Vec<_>>(), + vec![0, 90] + ); + + // highest limit + assert_eq!( + set.fds(Some(89)) + .map(|borrowed_fd| borrowed_fd.as_raw_fd()) + .collect::<Vec<_>>(), + vec![0] + ); + assert_eq!( + set.fds(Some(90)) + .map(|borrowed_fd| borrowed_fd.as_raw_fd()) + .collect::<Vec<_>>(), + vec![0, 90] + ); +} + +#[test] +fn test_select() { + let (r1, w1) = pipe().unwrap(); + let (r2, _w2) = pipe().unwrap(); + + write(&w1, b"hi!").unwrap(); + let mut fd_set = FdSet::new(); + fd_set.insert(r1.as_fd()); + fd_set.insert(r2.as_fd()); + + let mut timeout = TimeVal::seconds(10); + assert_eq!( + 1, + select(None, &mut fd_set, None, None, &mut timeout).unwrap() + ); + assert!(fd_set.contains(r1.as_fd())); + assert!(!fd_set.contains(r2.as_fd())); +} + +#[test] +fn test_select_nfds() { + let (r1, w1) = pipe().unwrap(); + let (r2, _w2) = pipe().unwrap(); + + write(&w1, b"hi!").unwrap(); + let mut fd_set = FdSet::new(); + fd_set.insert(r1.as_fd()); + fd_set.insert(r2.as_fd()); + + let mut timeout = TimeVal::seconds(10); + { + assert_eq!( + 1, + select( + Some( + fd_set + .highest() + .map(|borrowed_fd| borrowed_fd.as_raw_fd()) + .unwrap() + + 1 + ), + &mut fd_set, + None, + None, + &mut timeout + ) + .unwrap() + ); + } + assert!(fd_set.contains(r1.as_fd())); + assert!(!fd_set.contains(r2.as_fd())); +} + +#[test] +fn test_select_nfds2() { + let (r1, w1) = pipe().unwrap(); + write(&w1, b"hi!").unwrap(); + let (r2, _w2) = pipe().unwrap(); + let mut fd_set = FdSet::new(); + fd_set.insert(r1.as_fd()); + fd_set.insert(r2.as_fd()); + + let mut timeout = TimeVal::seconds(10); + assert_eq!( + 1, + select( + std::cmp::max(r1.as_raw_fd(), r2.as_raw_fd()) + 1, + &mut fd_set, + None, + None, + &mut timeout + ) + .unwrap() + ); + assert!(fd_set.contains(r1.as_fd())); + assert!(!fd_set.contains(r2.as_fd())); +} |