#![cfg(feature = "heapsize_impl")] extern crate heapsize; extern crate linked_hash_map; use linked_hash_map::LinkedHashMap; use heapsize::HeapSizeOf; #[test] fn empty() { assert_eq!(LinkedHashMap::::new().heap_size_of_children(), 0); } #[test] fn nonempty() { let mut map = LinkedHashMap::new(); map.insert("hello".to_string(), "world".to_string()); map.insert("hola".to_string(), "mundo".to_string()); map.insert("bonjour".to_string(), "monde".to_string()); map.remove("hello"); assert!(map.heap_size_of_children() != 0); }