use leetcode::integer_to_roman::int_to_roman;

use test_case::test_case;

#[test_case(0, ""; "minimum")]
#[test_case(3999, "MMMCMXCIX"; "maximum")]
#[test_case(1666, "MDCLXVI"; "every character")]
#[test_case(1987, "MCMLXXXVII"; "all numbers 1")]
#[test_case(2654, "MMDCLIV"; "all numbers 2")]
#[test_case(321, "CCCXXI"; "all numbers 3")]
#[test_case(900, "CM"; "with subtracting")]
#[test_case(20, "XX"; "without subtracting")]
fn test_integer_to_roman(input: i32, expected: &str) {
  assert_eq!(int_to_roman(input), expected);
}