1 use nix::sys::sysinfo::*; 2 3 #[test] sysinfo_works()4fn sysinfo_works() { 5 let info = sysinfo().unwrap(); 6 7 let (l1, l5, l15) = info.load_average(); 8 assert!(l1 >= 0.0); 9 assert!(l5 >= 0.0); 10 assert!(l15 >= 0.0); 11 12 info.uptime(); // just test Duration construction 13 14 assert!( 15 info.swap_free() <= info.swap_total(), 16 "more swap available than installed (free: {}, total: {})", 17 info.swap_free(), 18 info.swap_total() 19 ); 20 } 21