Jeff Vander Stoep | 956d143 | 2020-09-18 13:46:24 +0200 | [diff] [blame] | 1 | #![cfg(feature = "serde")] |
| 2 | |
| 3 | use core::hash::BuildHasherDefault; |
| 4 | use hashbrown::{HashMap, HashSet}; |
| 5 | use rustc_hash::FxHasher; |
| 6 | use serde_test::{assert_tokens, Token}; |
| 7 | |
| 8 | // We use FxHash for this test because we rely on the ordering |
| 9 | type FxHashMap<K, V> = HashMap<K, V, BuildHasherDefault<FxHasher>>; |
| 10 | type FxHashSet<T> = HashSet<T, BuildHasherDefault<FxHasher>>; |
| 11 | |
| 12 | #[test] |
| 13 | fn map_serde_tokens_empty() { |
| 14 | let map = FxHashMap::<char, u32>::default(); |
| 15 | |
| 16 | assert_tokens(&map, &[Token::Map { len: Some(0) }, Token::MapEnd]); |
| 17 | } |
| 18 | |
| 19 | #[test] |
| 20 | fn map_serde_tokens() { |
| 21 | let mut map = FxHashMap::default(); |
| 22 | map.insert('b', 20); |
| 23 | map.insert('a', 10); |
| 24 | map.insert('c', 30); |
| 25 | |
| 26 | assert_tokens( |
| 27 | &map, |
| 28 | &[ |
| 29 | Token::Map { len: Some(3) }, |
| 30 | Token::Char('a'), |
| 31 | Token::I32(10), |
| 32 | Token::Char('b'), |
| 33 | Token::I32(20), |
| 34 | Token::Char('c'), |
| 35 | Token::I32(30), |
| 36 | Token::MapEnd, |
| 37 | ], |
| 38 | ); |
| 39 | } |
| 40 | |
| 41 | #[test] |
| 42 | fn set_serde_tokens_empty() { |
| 43 | let set = FxHashSet::<u32>::default(); |
| 44 | |
| 45 | assert_tokens(&set, &[Token::Seq { len: Some(0) }, Token::SeqEnd]); |
| 46 | } |
| 47 | |
| 48 | #[test] |
| 49 | fn set_serde_tokens() { |
| 50 | let mut set = FxHashSet::default(); |
| 51 | set.insert(20); |
| 52 | set.insert(10); |
| 53 | set.insert(30); |
| 54 | |
| 55 | assert_tokens( |
| 56 | &set, |
| 57 | &[ |
| 58 | Token::Seq { len: Some(3) }, |
| 59 | Token::I32(20), |
| 60 | Token::I32(10), |
| 61 | Token::I32(30), |
| 62 | Token::SeqEnd, |
| 63 | ], |
| 64 | ); |
| 65 | } |