#[cfg(test)]
mod tests {
    use tzf_rs::deg2num;
    use tzf_rs::FuzzyFinder;

    #[test]
    fn test_deg2num() {
        let ret = deg2num(116.3883, 39.9289, 7);
        assert_eq!(ret.0, 105);
        assert_eq!(ret.1, 48);
    }

    #[test]
    fn smoke_test() {
        let finder = FuzzyFinder::new();

        assert_eq!(finder.get_tz_name(116.3883, 39.9289), "Asia/Shanghai");
        assert_eq!(finder.get_tz_name(121.3547, 31.1139), "Asia/Shanghai");
        assert_eq!(finder.get_tz_name(111.8674, 34.4200), "Asia/Shanghai");
        assert_eq!(finder.get_tz_name(-97.8674, 34.4200), "America/Chicago");
        assert_eq!(finder.get_tz_name(139.4382, 36.4432), "Asia/Tokyo");
        assert_eq!(finder.get_tz_name(24.5212, 50.2506), "Europe/Kyiv");
        assert_eq!(finder.get_tz_name(-0.9671, 52.0152), "Europe/London");
        assert_eq!(finder.get_tz_name(-4.5706, 46.2747), "Etc/GMT");
        assert_eq!(finder.get_tz_name(-4.5706, 46.2747), "Etc/GMT");
        assert_eq!(finder.get_tz_name(-73.7729, 38.3530), "Etc/GMT+5");
    }
}