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#![cfg(feature = "serde")]
use core::hash::BuildHasherDefault;
use fnv::FnvHasher;
use hashbrown::{HashMap, HashSet};
use serde_test::{assert_tokens, Token};
// We use FnvHash for this test because we rely on the ordering
type FnvHashMap<K, V> = HashMap<K, V, BuildHasherDefault<FnvHasher>>;
type FnvHashSet<T> = HashSet<T, BuildHasherDefault<FnvHasher>>;
#[test]
fn map_serde_tokens_empty() {
let map = FnvHashMap::<char, u32>::default();
assert_tokens(&map, &[Token::Map { len: Some(0) }, Token::MapEnd]);
}
#[test]
fn map_serde_tokens() {
let mut map = FnvHashMap::default();
map.insert('b', 20);
map.insert('a', 10);
map.insert('c', 30);
assert_tokens(
&map,
&[
Token::Map { len: Some(3) },
Token::Char('a'),
Token::I32(10),
Token::Char('c'),
Token::I32(30),
Token::Char('b'),
Token::I32(20),
Token::MapEnd,
],
);
}
#[test]
fn set_serde_tokens_empty() {
let set = FnvHashSet::<u32>::default();
assert_tokens(&set, &[Token::Seq { len: Some(0) }, Token::SeqEnd]);
}
#[test]
fn set_serde_tokens() {
let mut set = FnvHashSet::default();
set.insert(20);
set.insert(10);
set.insert(30);
assert_tokens(
&set,
&[
Token::Seq { len: Some(3) },
Token::I32(30),
Token::I32(20),
Token::I32(10),
Token::SeqEnd,
],
);
}
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