#[cfg(test)]
mod exaples {
    use day31::time_to_string;

    #[test]
    fn example1() {
        assert_eq!(
            time_to_string(5, 47),
            Ok(String::from("thirteen minutes to six"))
        );
    }

    #[test]
    fn example2() {
        assert_eq!(time_to_string(3, 00), Ok(String::from("three o' clock")))
    }

    #[test]
    fn example3() {
        assert_eq!(
            time_to_string(7, 15),
            Ok(String::from("quarter past seven"))
        );
    }

    #[test]
    fn example4() {
        assert_eq!(time_to_string(5, 30), Ok(String::from("half past five")));
    }

    #[test]
    fn example5() {
        assert_eq!(
            time_to_string(5, 1),
            Ok(String::from("one minute past five"))
        );
    }
}