4 fn test_to_readable_str() {
5 assert_eq!("0", to_readable_str(0));
6 assert_eq!("1", to_readable_str(1));
7 assert_eq!("99", to_readable_str(99));
8 assert_eq!("999", to_readable_str(999));
9 assert_eq!("1_000", to_readable_str(1_000));
10 assert_eq!("1_001", to_readable_str(1_001));
11 assert_eq!("999_999", to_readable_str(999_999));
12 assert_eq!("1_000_000", to_readable_str(1_000_000));
13 assert_eq!("1_234_567", to_readable_str(1_234_567));