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Test that isatty doesn't crash

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This commit is contained in:
Ben Kimock 2022-07-17 21:13:59 -04:00
parent 2f84cb34c1
commit eefdeacdb1
1 changed files with 13 additions and 0 deletions
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13
tests/pass/libc.rs
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@ -311,6 +311,17 @@ fn test_posix_gettimeofday() {
assert_eq!(is_error, -1);
}
fn test_isatty() {
// Testing whether our isatty shim returns the right value would require controlling whether
// these streams are actually TTYs, which is hard.
// For now, we just check that these calls are supported at all.
unsafe {
libc::isatty(libc::STDIN_FILENO);
libc::isatty(libc::STDOUT_FILENO);
libc::isatty(libc::STDERR_FILENO);
}
}
fn main() {
#[cfg(any(target_os = "linux", target_os = "freebsd"))]
test_posix_fadvise();
@ -335,4 +346,6 @@ fn main() {
#[cfg(any(target_os = "linux"))]
test_clocks();
test_isatty();
}