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include!(concat!(env!("OUT_DIR"), "/pbempty/google.protobuf.rs"));

const EMPTY: Empty = Empty {};

impl From<()> for Empty {
    fn from(_value: ()) -> Self {
        EMPTY
    }
}

#[cfg(test)]
mod tests {

    use crate::pbempty::*;

    #[test]
    fn serialize_empty() {
        let msg = EMPTY;
        println!(
            "Serialized to string: {}",
            serde_json::to_string_pretty(&msg).unwrap()
        );
    }

    #[test]
    fn deserialize_empty() {
        let msg: Empty = serde_json::from_str("{}").expect("Could not deserialize `{}` to an Empty struct!");
        assert_eq!(msg, EMPTY);
    }

    #[test]
    fn convert_unit() {
        let msg: Empty = ().into();
        assert_eq!(msg, Empty {});
    }
}