diff options
author | Jesse Luehrs <doy@tozt.net> | 2021-12-29 23:55:32 -0500 |
---|---|---|
committer | Jesse Luehrs <doy@tozt.net> | 2021-12-29 23:55:32 -0500 |
commit | 06080c4d87766a717ab2b7f31f5d418b651e6969 (patch) | |
tree | 45612c521dd39bc96a93a3193be444fae95b2486 | |
parent | bdeb9c86f7adbb277715442bc341c360af6c03f8 (diff) | |
download | pty-process-06080c4d87766a717ab2b7f31f5d418b651e6969.tar.gz pty-process-06080c4d87766a717ab2b7f31f5d418b651e6969.zip |
test
-rw-r--r-- | tests/fds.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/fds.rs b/tests/fds.rs new file mode 100644 index 0000000..7ef802d --- /dev/null +++ b/tests/fds.rs @@ -0,0 +1,47 @@ +#[test] +fn test_fds() { + use std::io::BufRead as _; + + check_open_fds(); + + let pty = pty_process::blocking::Pty::new().unwrap(); + pty.resize(pty_process::Size::new(24, 80)).unwrap(); + let mut child = pty_process::blocking::Command::new("perl") + .arg("-Efor my $fd (0..255) { open my $fh, \"<&=$fd\"; print $fd if stat $fh }; say") + .spawn(&pty) + .unwrap(); + let mut buf = vec![]; + std::io::BufReader::new(&pty) + .read_until(b'\n', &mut buf) + .unwrap(); + assert_eq!(&buf, b"012\r\n"); + let status = child.wait().unwrap(); + assert_eq!(status.code().unwrap(), 0); + drop(pty); + check_open_fds(); + + let pty = pty_process::blocking::Pty::new().unwrap(); + pty.resize(pty_process::Size::new(24, 80)).unwrap(); + let mut child = pty_process::blocking::Command::new("perl") + .arg("-Efor my $fd (0..255) { open my $fh, \"<&=$fd\"; print $fd if stat $fh }; say") + .stderr(Some(std::process::Stdio::null())) + .spawn(&pty) + .unwrap(); + let mut buf = vec![]; + std::io::BufReader::new(&pty) + .read_until(b'\n', &mut buf) + .unwrap(); + assert_eq!(&buf, b"012\r\n"); + let status = child.wait().unwrap(); + assert_eq!(status.code().unwrap(), 0); + drop(pty); + check_open_fds(); +} + +#[track_caller] +fn check_open_fds() { + let open: Vec<_> = (0..=255) + .filter(|fd| nix::sys::stat::fstat(*fd).is_ok()) + .collect(); + assert_eq!(open, vec![0, 1, 2]); +} |