| 2 | #[cfg(linux_kernel)] |
| 3 | #[test] |
| 4 | fn test_splice_cursor() { |
| 5 | use rustix::pipe::{pipe, splice, SpliceFlags}; |
| 6 | use std::io::{Read as _, Seek as _, SeekFrom, Write as _}; |
| 7 | |
| 8 | let mut src = tempfile::tempfile().unwrap(); |
| 9 | let mut dest = tempfile::tempfile().unwrap(); |
| 10 | let (read_p, write_p) = pipe().unwrap(); |
| 11 | let mut buff = vec![]; |
| 12 | |
| 13 | writeln!(src, "hello world").unwrap(); |
| 14 | |
| 15 | src.seek(SeekFrom::Start(6)).unwrap(); |
| 16 | |
| 17 | splice(&src, None, &write_p, None, 5, SpliceFlags::empty()).unwrap(); |
| 18 | splice(&read_p, None, &dest, None, 5, SpliceFlags::empty()).unwrap(); |
| 19 | |
| 20 | dest.rewind().unwrap(); |
| 21 | |
| 22 | dest.read_to_end(&mut buff).unwrap(); |
| 23 | assert_eq!(buff, b"world"); |
| 24 | } |
| 25 | |
| 26 | #[cfg(feature = "fs")] |
| 27 | #[cfg(linux_kernel)] |