// compile-flags: -Zmiri-seed=0000000000000000 use std::collections::{self, HashMap}; use std::hash::{BuildHasherDefault, BuildHasher}; fn test_map(mut map: HashMap) { map.insert(0, 0); assert_eq!(map.values().fold(0, |x, y| x+y), 0); let num = 25; for i in 1..num { map.insert(i, i); } assert_eq!(map.values().fold(0, |x, y| x+y), num*(num-1)/2); // check the right things are in the table now // Inserting again replaces the existing entries for i in 0..num { map.insert(i, num-1-i); } assert_eq!(map.values().fold(0, |x, y| x+y), num*(num-1)/2); // TODO: Test Entry API, Iterators, ... } fn main() { if cfg!(target_os = "macos") { // TODO: Implement random number generation on OS X. // Until then, use a deterministic map. let map : HashMap> = HashMap::default(); test_map(map); } else { let map: HashMap = HashMap::default(); test_map(map); } }