Vendor things

third-party/vendor/nix-0.24.3/test/sys/test_select.rs

@@ -0,0 +1,80 @@
+use nix::sys::select::*;
+use nix::unistd::{pipe, write};
+use nix::sys::signal::SigSet;
+use nix::sys::time::{TimeSpec, TimeValLike};
+
+#[test]
+pub fn test_pselect() {
+    let _mtx = crate::SIGNAL_MTX.lock();
+
+    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);
+    fd_set.insert(r2);
+
+    let timeout = TimeSpec::seconds(10);
+    let sigmask = SigSet::empty();
+    assert_eq!(
+        1,
+        pselect(None, &mut fd_set, None, None, &timeout, &sigmask).unwrap()
+    );
+    assert!(fd_set.contains(r1));
+    assert!(!fd_set.contains(r2));
+}
+
+#[test]
+pub fn test_pselect_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);
+    fd_set.insert(r2);
+
+    let timeout = TimeSpec::seconds(10);
+    assert_eq!(
+        1,
+        pselect(
+            ::std::cmp::max(r1, r2) + 1,
+            &mut fd_set,
+            None,
+            None,
+            &timeout,
+            None
+        ).unwrap()
+    );
+    assert!(fd_set.contains(r1));
+    assert!(!fd_set.contains(r2));
+}
+
+macro_rules! generate_fdset_bad_fd_tests {
+    ($fd:expr, $($method:ident),* $(,)?) => {
+        $(
+            #[test]
+            #[should_panic]
+            fn $method() {
+                FdSet::new().$method($fd);
+            }
+        )*
+    }
+}
+
+mod test_fdset_negative_fd {
+    use super::*;
+    generate_fdset_bad_fd_tests!(-1, insert, remove, contains);
+}
+
+mod test_fdset_too_large_fd {
+    use super::*;
+    use std::convert::TryInto;
+    generate_fdset_bad_fd_tests!(
+        FD_SETSIZE.try_into().unwrap(),
+        insert,
+        remove,
+        contains,
+    );
+}