use core::mem::ManuallyDrop; use super::FileDesc; use crate::io::IoSlice; use crate::os::unix::io::FromRawFd; #[test] fn limit_vector_count() { let stdout = ManuallyDrop::new(unsafe { FileDesc::from_raw_fd(1) }); let bufs = (0..1500).map(|_| IoSlice::new(&[])).collect::>(); assert!(stdout.write_vectored(&bufs).is_ok()); }