usesuper::*;usestd::path::PathBuf;#[test]fntest_is_btrfs_nonexistent(){// Should not panic on non-existent path; the bool value depends on the
// root filesystem type, so we only assert that the call returns cleanly.
let _result =is_btrfs(&PathBuf::from("/nonexistent/path/12345"));}#[test]fntest_is_btrfs_root(){// Should work on root
let _result =is_btrfs(&PathBuf::from("/"));// Just verify it doesn't panic
}