Switch serde test to fnv to advoid 32bit issues

Author: tkaitchuck

Cargo.toml

@@ -28,7 +28,7 @@ alloc = { version = "1.0.0", optional = true, package = "rustc-std-workspace-all
 lazy_static = "1.2"
 rand = { version = "0.7.3", features = ["small_rng"] }
 rayon = "1.0"
-rustc-hash = "=1.0"
+fnv = "1.0.7"
 serde_test = "1.0"
 doc-comment = "0.3.1"
 

tests/serde.rs

@@ -1,24 +1,24 @@
 #![cfg(feature = "serde")]
 
 use core::hash::BuildHasherDefault;
+use fnv::FnvHasher;
 use hashbrown::{HashMap, HashSet};
-use rustc_hash::FxHasher;
 use serde_test::{assert_tokens, Token};
 
-// We use FxHash for this test because we rely on the ordering
-type FxHashMap<K, V> = HashMap<K, V, BuildHasherDefault<FxHasher>>;
-type FxHashSet<T> = HashSet<T, BuildHasherDefault<FxHasher>>;
+// 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 = FxHashMap::<char, u32>::default();
+    let map = FnvHashMap::<char, u32>::default();
 
     assert_tokens(&map, &[Token::Map { len: Some(0) }, Token::MapEnd]);
 }
 
 #[test]
 fn map_serde_tokens() {
-    let mut map = FxHashMap::default();
+    let mut map = FnvHashMap::default();
     map.insert('b', 20);
     map.insert('a', 10);
     map.insert('c', 30);
@@ -29,25 +29,25 @@ fn map_serde_tokens() {
             Token::Map { len: Some(3) },
             Token::Char('a'),
             Token::I32(10),
-            Token::Char('b'),
-            Token::I32(20),
             Token::Char('c'),
             Token::I32(30),
+            Token::Char('b'),
+            Token::I32(20),
             Token::MapEnd,
         ],
     );
 }
 
 #[test]
 fn set_serde_tokens_empty() {
-    let set = FxHashSet::<u32>::default();
+    let set = FnvHashSet::<u32>::default();
 
     assert_tokens(&set, &[Token::Seq { len: Some(0) }, Token::SeqEnd]);
 }
 
 #[test]
 fn set_serde_tokens() {
-    let mut set = FxHashSet::default();
+    let mut set = FnvHashSet::default();
     set.insert(20);
     set.insert(10);
     set.insert(30);
@@ -56,9 +56,9 @@ fn set_serde_tokens() {
         &set,
         &[
             Token::Seq { len: Some(3) },
+            Token::I32(30),
             Token::I32(20),
             Token::I32(10),
-            Token::I32(30),
             Token::SeqEnd,
         ],
     );