use crate::process::{ChildStderr, ChildStdin, ChildStdout};
use crate::sys::fs::{copy_regular_files, sendfile_splice, CopyResult, SpliceMode};
+#[cfg(test)]
+mod tests;
+
pub(crate) fn copy_spec<R: Read + ?Sized, W: Write + ?Sized>(
read: &mut R,
write: &mut W,