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use rustix::fd::AsRawFd;
use rustix::termios::{isatty, tcgetwinsize};
use tempfile::{tempdir, TempDir};
#[allow(unused)]
fn tmpdir() -> TempDir {
tempdir().expect("expected to be able to create a temporary directory")
}
#[test]
fn std_file_is_not_terminal() {
let tmpdir = tempfile::tempdir().unwrap();
assert!(!isatty(
&std::fs::File::create(tmpdir.path().join("file")).unwrap()
));
assert!(!isatty(
&std::fs::File::open(tmpdir.path().join("file")).unwrap()
));
}
#[test]
fn stdout_stderr_terminals() {
// This test is flaky under qemu.
if std::env::vars().any(|var| var.0.starts_with("CARGO_TARGET_") && var.0.ends_with("_RUNNER"))
{
return;
}
// Compare `isatty` against `libc::isatty`.
assert_eq!(isatty(&std::io::stdout()), unsafe {
libc::isatty(std::io::stdout().as_raw_fd()) != 0
});
assert_eq!(isatty(&std::io::stderr()), unsafe {
libc::isatty(std::io::stderr().as_raw_fd()) != 0
});
// Compare `isatty` against `tcgetwinsize`.
assert_eq!(
isatty(&std::io::stdout()),
tcgetwinsize(&std::io::stdout()).is_ok()
);
assert_eq!(
isatty(&std::io::stderr()),
tcgetwinsize(&std::io::stderr()).is_ok()
);
}
#[test]
fn stdio_descriptors() {
#[cfg(unix)]
use std::os::unix::io::AsRawFd;
#[cfg(target_os = "wasi")]
use std::os::wasi::io::AsRawFd;
unsafe {
assert_eq!(
rustix::io::stdin().as_raw_fd(),
std::io::stdin().as_raw_fd()
);
assert_eq!(
rustix::io::stdout().as_raw_fd(),
std::io::stdout().as_raw_fd()
);
assert_eq!(
rustix::io::stderr().as_raw_fd(),
std::io::stderr().as_raw_fd()
);
}
}
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