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#[test]
#[cfg(all(target_os = "linux", target_env = "gnu"))]
fn test_glibc_version() {
// This mostly just tests that the weak linkage doesn't panic wildly...
super::glibc_version();
}
#[test]
#[cfg(all(target_os = "linux", target_env = "gnu"))]
fn test_parse_glibc_version() {
let cases = [
("0.0", Some((0, 0))),
("01.+2", Some((1, 2))),
("3.4.5.six", Some((3, 4))),
("1", None),
("1.-2", None),
("1.foo", None),
("foo.1", None),
];
for &(version_str, parsed) in cases.iter() {
assert_eq!(parsed, super::parse_glibc_version(version_str));
}
}
// Smoke check `confstr`, do it for several hint values, to ensure our resizing
// logic is correct.
#[test]
#[cfg(all(target_vendor = "apple", not(miri)))]
fn test_confstr() {
for key in [libc::_CS_DARWIN_USER_TEMP_DIR, libc::_CS_PATH] {
let value_nohint = super::confstr(key, None).unwrap_or_else(|e| {
panic!("confstr({key}, None) failed: {e:?}");
});
let end = (value_nohint.len() + 1) * 2;
for hint in 0..end {
assert_eq!(
super::confstr(key, Some(hint)).as_deref().ok(),
Some(&*value_nohint),
"confstr({key}, Some({hint})) failed",
);
}
}
// Smoke check that we don't loop forever or something if the input was not valid.
for hint in [None, Some(0), Some(1)] {
let hopefully_invalid = 123456789_i32;
assert!(super::confstr(hopefully_invalid, hint).is_err());
}
}
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