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use {
crate::{tests::util::*, unnamed_pipe::pipe},
std::{
io::{BufRead, BufReader, Write},
sync::mpsc,
thread,
},
};
static MSG: &str = "Message from sender to receiver\n";
pub(super) fn main() -> TestResult {
let (mut tx, rx) = pipe().opname("pipe creation")?;
thread::scope(|scope| {
let (notify, wait) = mpsc::channel();
scope.spawn(move || {
tx.write_all(MSG.as_bytes()).opname("send")?;
drop(tx);
// Test buffer retention on drop
notify.send(()).opname("notify")?;
TestResult::Ok(())
});
wait.recv().opname("wait for drop")?;
// Sender is guaranteed to be in limbo by this point (Windows only)
let mut buf = String::with_capacity(MSG.len());
let mut rx = BufReader::new(rx);
rx.read_line(&mut buf).opname("receive")?;
ensure_eq!(buf, MSG);
Ok(())
})
}
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