//! Service 3E

#[cfg(test)]
mod tests {
    use iso14229_1::{request, response, Configuration, Service, TesterPresentType, TryFromWithCfg};

    #[test]
    fn test_request() -> anyhow::Result<()> {
        let cfg = Configuration::default();

        let source = hex::decode("3E00")?;
        let request = request::Request::try_from_cfg(source, &cfg)?;
        let sub_func = request.sub_function().unwrap();
        assert_eq!(sub_func.is_suppress_positive(), Some(false));
        assert_eq!(sub_func.function::<TesterPresentType>()?, TesterPresentType::Zero);

        let source = hex::decode("3E80")?;
        let request = request::Request::try_from_cfg(source, &cfg)?;
        let sub_func = request.sub_function().unwrap();
        assert_eq!(sub_func.is_suppress_positive(), Some(true));
        assert_eq!(sub_func.function::<TesterPresentType>()?, TesterPresentType::Zero);

        Ok(())
    }

    #[test]
    fn test_response() -> anyhow::Result<()> {
        let cfg = Configuration::default();

        let source = hex::decode("7E00")?;
        let response = response::Response::try_from_cfg(source, &cfg)?;
        let sub_func = response.sub_function().unwrap();
        assert_eq!(sub_func.function::<TesterPresentType>()?, TesterPresentType::Zero);

        Ok(())
    }

    #[test]
    fn test_nrc() -> anyhow::Result<()> {
        let cfg = Configuration::default();

        let source = hex::decode("7F3E12")?;
        let response = response::Response::try_from_cfg(source, &cfg)?;
        assert_eq!(response.service(), Service::TesterPresent);
        assert_eq!(response.sub_function(), None);
        assert!(response.is_negative());
        assert_eq!(response.nrc_code()?, response::Code::SubFunctionNotSupported);

        let response = response::Response::new(Service::NRC, None, vec![0x3E, 0x12], &cfg)?;
        assert_eq!(response.service(), Service::TesterPresent);
        assert_eq!(response.sub_function(), None);
        assert!(response.is_negative());
        assert_eq!(response.nrc_code()?, response::Code::SubFunctionNotSupported);

        Ok(())
    }
}