converge_test 0.0.4

#[cfg(test)]
mod tests {
    use converge::Converge;
    extern crate pretty_assertions;

    #[derive(Converge, PartialEq)]
    struct Simple {
        number: std::option::Option<u32>,
    }

    impl Simple {
        pub fn new_empty() -> Simple {
            Simple {
                number: std::option::Option::None,
            }
        }
        pub fn new_with(value: u32) -> Simple {
            Simple {
                number: std::option::Option::Some(value),
            }
        }
    }

    #[test]
    fn test_self_some_default_some() {
        let some_1 = Simple::new_with(1);
        let some_2 = Simple::new_with(2);
        let out = some_1.converge(some_2);
        assert!(out == Simple::new_with(1));
    }

    #[test]
    fn test_self_none_default_some() {
        let empty = Simple::new_empty();
        let some_2 = Simple::new_with(2);
        let out = empty.converge(some_2);
        assert!(out == Simple::new_with(2));
    }

    #[test]
    fn test_self_none_default_none() {
        let empty_1 = Simple::new_empty();
        let empty_2 = Simple::new_empty();
        let out = empty_1.converge(empty_2);
        assert!(out == Simple::new_empty());
    }

    #[test]
    fn test_self_some_default_none() {
        let some_1 = Simple::new_with(1);
        let empty = Simple::new_empty();
        let out = some_1.converge(empty);
        assert!(out == Simple::new_with(1));
    }
}