rstime 0.1.0

use rstime::{SystemClock, MonotonicClock, Duration, Clock};

fn main() {
    println!("=== rstime 时钟测试 ===\n");

    println!("1. 系统时钟 - 当前时间");
    let clock = SystemClock;
    let now = clock.now();
    println!("   DateTime: {}", now);
    println!("   Date:     {}", clock.today());
    println!("   Time:     {}", clock.time_now());
    println!();

    println!("2. 便捷方法（无需实例化 Clock）");
    let today = rstime::Date::today();
    let time_now = rstime::Time::now();
    let datetime_now = rstime::DateTime::now();
    println!("   Date::today()     → {}", today);
    println!("   Time::now()       → {}", time_now);
    println!("   DateTime::now()   → {}", datetime_now);
    println!();

    println!("3. 单调时钟 - 性能计时");
    let timer = MonotonicClock::start();
    let mut _sum: u64 = 0;
    for i in 0..1_000_000 {
        _sum += i;
    }
    let elapsed = timer.elapsed();
    println!("   累加 100 万次: {}ms ({} 纳秒)", elapsed.total_millis(), elapsed.nanos);
    println!();

    println!("4. 单调时钟 - 重置");
    let mut timer = MonotonicClock::start();
    std::thread::sleep(std::time::Duration::from_millis(10));
    println!("   第一次: {}ms", timer.elapsed().total_millis());
    timer.reset();
    println!("   重置后: {}ms", timer.elapsed().total_millis());
    println!();

    println!("5. Duration 常量");
    println!("   ZERO:   {}ms", Duration::ZERO.total_millis());
    println!("   SECOND: {}ms", Duration::SECOND.total_millis());
    println!("   MINUTE: {}ms", Duration::MINUTE.total_millis());
    println!("   HOUR:   {}ms", Duration::HOUR.total_millis());
    println!("   DAY:    {}ms", Duration::DAY.total_millis());
    println!();

    println!("✅ 时钟测试完成！");
}