use core::time::Duration;
use std::thread;
#[test]
fn base() {
let start = time_clock::clock();
thread::sleep(Duration::from_millis(100));
let end = time_clock::clock();
println!("start: {:?}", start);
println!("end: {:?}", end);
assert!((end - start) / time_clock::CLOCKS_PER_MILLI > 100)
}