#![allow(
clippy::approx_constant,
clippy::useless_vec,
clippy::len_zero,
clippy::unnecessary_cast,
clippy::redundant_closure,
clippy::too_many_arguments,
clippy::type_complexity,
clippy::needless_borrow,
clippy::enum_variant_names,
clippy::upper_case_acronyms,
clippy::inconsistent_digit_grouping,
clippy::unit_cmp,
clippy::assertions_on_constants,
clippy::iter_on_single_items,
clippy::expect_fun_call,
clippy::redundant_pattern_matching,
variant_size_differences,
clippy::absurd_extreme_comparisons,
clippy::nonminimal_bool,
clippy::for_kv_map,
clippy::needless_range_loop,
clippy::single_match,
clippy::collapsible_if,
clippy::needless_return,
clippy::redundant_clone,
clippy::map_entry,
clippy::match_single_binding,
clippy::bool_comparison,
clippy::derivable_impls,
clippy::manual_range_contains,
clippy::needless_borrows_for_generic_args,
clippy::manual_map,
clippy::vec_init_then_push,
clippy::identity_op,
clippy::manual_flatten,
clippy::single_char_pattern,
clippy::search_is_some,
clippy::option_map_unit_fn,
clippy::while_let_on_iterator,
clippy::clone_on_copy,
clippy::box_collection,
clippy::redundant_field_names,
clippy::ptr_arg,
clippy::large_enum_variant,
clippy::match_ref_pats,
clippy::needless_pass_by_value,
clippy::unused_unit,
clippy::let_and_return,
clippy::suspicious_else_formatting,
clippy::manual_strip,
clippy::match_like_matches_macro,
clippy::from_over_into,
clippy::wrong_self_convention,
clippy::inherent_to_string,
clippy::new_without_default,
clippy::unnecessary_wraps,
clippy::field_reassign_with_default,
clippy::manual_find,
clippy::unnecessary_lazy_evaluations,
clippy::should_implement_trait,
clippy::missing_safety_doc,
clippy::unusual_byte_groupings,
clippy::bool_assert_comparison,
clippy::zero_prefixed_literal,
clippy::await_holding_lock,
clippy::manual_saturating_arithmetic,
clippy::explicit_counter_loop,
clippy::needless_lifetimes,
clippy::single_component_path_imports,
clippy::uninlined_format_args,
clippy::iter_cloned_collect,
clippy::manual_str_repeat,
clippy::excessive_precision,
clippy::precedence,
clippy::unnecessary_literal_unwrap
)]
use oxicode::{
config, decode_from_slice, decode_from_slice_with_config, encode_to_vec,
encode_to_vec_with_config, Decode, Encode,
};
use std::collections::{HashMap, HashSet};
#[derive(Debug, PartialEq, Eq, Hash, Encode, Decode, Clone)]
struct Key {
namespace: String,
id: u32,
}
#[derive(Debug, PartialEq, Encode, Decode, Clone)]
struct Value {
data: Vec<u8>,
score: f32,
}
#[test]
fn test_hashmap_string_u32_empty_roundtrip() {
let original: HashMap<String, u32> = HashMap::new();
let bytes = encode_to_vec(&original).expect("encode empty HashMap<String, u32>");
let (decoded, _): (HashMap<String, u32>, usize) =
decode_from_slice(&bytes).expect("decode empty HashMap<String, u32>");
assert_eq!(original, decoded);
}
#[test]
fn test_hashmap_string_u32_one_entry_roundtrip() {
let mut original: HashMap<String, u32> = HashMap::new();
original.insert("alpha".to_string(), 42);
let bytes = encode_to_vec(&original).expect("encode one-entry HashMap<String, u32>");
let (decoded, _): (HashMap<String, u32>, usize) =
decode_from_slice(&bytes).expect("decode one-entry HashMap<String, u32>");
assert_eq!(decoded.get("alpha"), Some(&42u32));
assert_eq!(decoded.len(), 1);
}
#[test]
fn test_hashmap_string_u32_five_entries_roundtrip() {
let mut original: HashMap<String, u32> = HashMap::new();
original.insert("apple".to_string(), 1);
original.insert("banana".to_string(), 2);
original.insert("cherry".to_string(), 3);
original.insert("date".to_string(), 4);
original.insert("elderberry".to_string(), 5);
let bytes = encode_to_vec(&original).expect("encode five-entry HashMap<String, u32>");
let (decoded, _): (HashMap<String, u32>, usize) =
decode_from_slice(&bytes).expect("decode five-entry HashMap<String, u32>");
assert_eq!(decoded.len(), 5);
let mut orig_pairs: Vec<(&String, &u32)> = original.iter().collect();
orig_pairs.sort_by_key(|(k, _)| k.as_str());
let mut dec_pairs: Vec<(&String, &u32)> = decoded.iter().collect();
dec_pairs.sort_by_key(|(k, _)| k.as_str());
assert_eq!(orig_pairs, dec_pairs);
}
#[test]
fn test_hashmap_u32_string_roundtrip() {
let mut original: HashMap<u32, String> = HashMap::new();
original.insert(1, "one".to_string());
original.insert(2, "two".to_string());
original.insert(3, "three".to_string());
let bytes = encode_to_vec(&original).expect("encode HashMap<u32, String>");
let (decoded, _): (HashMap<u32, String>, usize) =
decode_from_slice(&bytes).expect("decode HashMap<u32, String>");
assert_eq!(decoded.len(), 3);
assert_eq!(decoded.get(&1), Some(&"one".to_string()));
assert_eq!(decoded.get(&2), Some(&"two".to_string()));
assert_eq!(decoded.get(&3), Some(&"three".to_string()));
}
#[test]
fn test_hashmap_u32_u32_ten_entries_roundtrip() {
let original: HashMap<u32, u32> = (0u32..10).map(|i| (i, i * i)).collect();
let bytes = encode_to_vec(&original).expect("encode 10-entry HashMap<u32, u32>");
let (decoded, _): (HashMap<u32, u32>, usize) =
decode_from_slice(&bytes).expect("decode 10-entry HashMap<u32, u32>");
assert_eq!(decoded.len(), 10);
for i in 0u32..10 {
assert_eq!(decoded.get(&i), Some(&(i * i)));
}
}
#[test]
fn test_hashset_u32_empty_roundtrip() {
let original: HashSet<u32> = HashSet::new();
let bytes = encode_to_vec(&original).expect("encode empty HashSet<u32>");
let (decoded, _): (HashSet<u32>, usize) =
decode_from_slice(&bytes).expect("decode empty HashSet<u32>");
assert_eq!(original, decoded);
}
#[test]
fn test_hashset_u32_five_elements_roundtrip() {
let original: HashSet<u32> = [10u32, 20, 30, 40, 50].iter().cloned().collect();
let bytes = encode_to_vec(&original).expect("encode five-element HashSet<u32>");
let (decoded, _): (HashSet<u32>, usize) =
decode_from_slice(&bytes).expect("decode five-element HashSet<u32>");
assert_eq!(original, decoded);
}
#[test]
fn test_hashset_string_roundtrip() {
let original: HashSet<String> = ["foo", "bar", "baz", "qux"]
.iter()
.map(|s| s.to_string())
.collect();
let bytes = encode_to_vec(&original).expect("encode HashSet<String>");
let (decoded, _): (HashSet<String>, usize) =
decode_from_slice(&bytes).expect("decode HashSet<String>");
assert_eq!(original, decoded);
}
#[test]
fn test_hashmap_string_vec_u8_roundtrip() {
let mut original: HashMap<String, Vec<u8>> = HashMap::new();
original.insert("empty".to_string(), vec![]);
original.insert("short".to_string(), vec![1, 2, 3]);
original.insert("longer".to_string(), vec![10, 20, 30, 40, 50, 60]);
let bytes = encode_to_vec(&original).expect("encode HashMap<String, Vec<u8>>");
let (decoded, _): (HashMap<String, Vec<u8>>, usize) =
decode_from_slice(&bytes).expect("decode HashMap<String, Vec<u8>>");
assert_eq!(decoded.len(), 3);
assert_eq!(decoded.get("empty"), Some(&vec![]));
assert_eq!(decoded.get("short"), Some(&vec![1u8, 2, 3]));
assert_eq!(decoded.get("longer"), Some(&vec![10u8, 20, 30, 40, 50, 60]));
}
#[test]
fn test_hashmap_custom_key_roundtrip() {
let mut original: HashMap<Key, u32> = HashMap::new();
original.insert(
Key {
namespace: "ns1".to_string(),
id: 1,
},
100,
);
original.insert(
Key {
namespace: "ns1".to_string(),
id: 2,
},
200,
);
original.insert(
Key {
namespace: "ns2".to_string(),
id: 1,
},
300,
);
let bytes = encode_to_vec(&original).expect("encode HashMap<Key, u32>");
let (decoded, _): (HashMap<Key, u32>, usize) =
decode_from_slice(&bytes).expect("decode HashMap<Key, u32>");
assert_eq!(decoded.len(), 3);
assert_eq!(
decoded.get(&Key {
namespace: "ns1".to_string(),
id: 1
}),
Some(&100u32)
);
assert_eq!(
decoded.get(&Key {
namespace: "ns1".to_string(),
id: 2
}),
Some(&200u32)
);
assert_eq!(
decoded.get(&Key {
namespace: "ns2".to_string(),
id: 1
}),
Some(&300u32)
);
}
#[test]
fn test_hashmap_u32_custom_value_roundtrip() {
let mut original: HashMap<u32, Value> = HashMap::new();
original.insert(
1,
Value {
data: vec![0xDE, 0xAD],
score: 1.5,
},
);
original.insert(
2,
Value {
data: vec![],
score: 0.0,
},
);
original.insert(
3,
Value {
data: vec![255, 0, 128],
score: -3.14,
},
);
let bytes = encode_to_vec(&original).expect("encode HashMap<u32, Value>");
let (decoded, _): (HashMap<u32, Value>, usize) =
decode_from_slice(&bytes).expect("decode HashMap<u32, Value>");
assert_eq!(decoded.len(), 3);
let v1 = decoded.get(&1).expect("key 1 missing");
assert_eq!(v1.data, vec![0xDEu8, 0xAD]);
assert!((v1.score - 1.5f32).abs() < f32::EPSILON);
let v2 = decoded.get(&2).expect("key 2 missing");
assert_eq!(v2.data, Vec::<u8>::new());
assert_eq!(v2.score, 0.0f32);
}
#[test]
fn test_hashmap_string_u32_consumed_bytes_eq_encoded_len() {
let mut original: HashMap<String, u32> = HashMap::new();
original.insert("key1".to_string(), 111);
original.insert("key2".to_string(), 222);
let bytes = encode_to_vec(&original).expect("encode HashMap<String, u32> for size check");
let (_, consumed): (HashMap<String, u32>, usize) =
decode_from_slice(&bytes).expect("decode HashMap<String, u32> for size check");
assert_eq!(consumed, bytes.len());
}
#[test]
fn test_hashset_u32_consumed_bytes_eq_encoded_len() {
let original: HashSet<u32> = [7u32, 14, 21, 28].iter().cloned().collect();
let bytes = encode_to_vec(&original).expect("encode HashSet<u32> for size check");
let (_, consumed): (HashSet<u32>, usize) =
decode_from_slice(&bytes).expect("decode HashSet<u32> for size check");
assert_eq!(consumed, bytes.len());
}
#[test]
fn test_hashmap_empty_produces_short_encoding() {
let original: HashMap<u32, u32> = HashMap::new();
let bytes = encode_to_vec(&original).expect("encode empty HashMap<u32, u32>");
assert!(!bytes.is_empty());
assert!(
bytes.len() <= 4,
"empty map encoding should be very short, got {} bytes",
bytes.len()
);
assert_eq!(bytes[0], 0x00);
}
#[test]
fn test_hashset_empty_produces_short_encoding() {
let original: HashSet<u32> = HashSet::new();
let bytes = encode_to_vec(&original).expect("encode empty HashSet<u32>");
assert!(!bytes.is_empty());
assert!(
bytes.len() <= 4,
"empty set encoding should be very short, got {} bytes",
bytes.len()
);
assert_eq!(bytes[0], 0x00);
}
#[test]
fn test_hashmap_u32_u32_fixed_int_config_roundtrip() {
let cfg = config::standard().with_fixed_int_encoding();
let mut original: HashMap<u32, u32> = HashMap::new();
original.insert(0, u32::MIN);
original.insert(1, 12345);
original.insert(2, u32::MAX);
let bytes = encode_to_vec_with_config(&original, cfg)
.expect("encode HashMap<u32, u32> with fixed_int config");
let (decoded, consumed): (HashMap<u32, u32>, usize) =
decode_from_slice_with_config(&bytes, cfg)
.expect("decode HashMap<u32, u32> with fixed_int config");
assert_eq!(decoded.len(), 3);
assert_eq!(decoded.get(&0), Some(&u32::MIN));
assert_eq!(decoded.get(&1), Some(&12345u32));
assert_eq!(decoded.get(&2), Some(&u32::MAX));
assert_eq!(consumed, bytes.len());
}
#[test]
fn test_vec_of_hashmaps_roundtrip() {
let mut map1: HashMap<String, u32> = HashMap::new();
map1.insert("x".to_string(), 1);
map1.insert("y".to_string(), 2);
let mut map2: HashMap<String, u32> = HashMap::new();
map2.insert("a".to_string(), 10);
let original: Vec<HashMap<String, u32>> = vec![map1, map2, HashMap::new()];
let bytes = encode_to_vec(&original).expect("encode Vec<HashMap<String, u32>>");
let (decoded, consumed): (Vec<HashMap<String, u32>>, usize) =
decode_from_slice(&bytes).expect("decode Vec<HashMap<String, u32>>");
assert_eq!(decoded.len(), 3);
assert_eq!(decoded[0].get("x"), Some(&1u32));
assert_eq!(decoded[0].get("y"), Some(&2u32));
assert_eq!(decoded[1].get("a"), Some(&10u32));
assert!(decoded[2].is_empty());
assert_eq!(consumed, bytes.len());
}
#[test]
fn test_option_hashmap_some_roundtrip() {
let mut inner: HashMap<String, u32> = HashMap::new();
inner.insert("hello".to_string(), 99);
let original: Option<HashMap<String, u32>> = Some(inner);
let bytes = encode_to_vec(&original).expect("encode Option<HashMap<String, u32>> Some");
let (decoded, consumed): (Option<HashMap<String, u32>>, usize) =
decode_from_slice(&bytes).expect("decode Option<HashMap<String, u32>> Some");
let inner_decoded = decoded.expect("expected Some after decode");
assert_eq!(inner_decoded.get("hello"), Some(&99u32));
assert_eq!(consumed, bytes.len());
}
#[test]
fn test_option_hashset_none_roundtrip() {
let original: Option<HashSet<u32>> = None;
let bytes = encode_to_vec(&original).expect("encode Option<HashSet<u32>> None");
let (decoded, consumed): (Option<HashSet<u32>>, usize) =
decode_from_slice(&bytes).expect("decode Option<HashSet<u32>> None");
assert!(decoded.is_none());
assert_eq!(consumed, bytes.len());
}
#[test]
fn test_hashmap_reencode_gives_same_pairs() {
let mut original: HashMap<String, u32> = HashMap::new();
original.insert("foo".to_string(), 1);
original.insert("bar".to_string(), 2);
original.insert("baz".to_string(), 3);
let bytes1 = encode_to_vec(&original).expect("first encode");
let (decoded1, _): (HashMap<String, u32>, usize) =
decode_from_slice(&bytes1).expect("first decode");
let bytes2 = encode_to_vec(&decoded1).expect("second encode");
let (decoded2, consumed2): (HashMap<String, u32>, usize) =
decode_from_slice(&bytes2).expect("second decode");
assert_eq!(decoded2.len(), 3);
assert_eq!(decoded2.get("foo"), Some(&1u32));
assert_eq!(decoded2.get("bar"), Some(&2u32));
assert_eq!(decoded2.get("baz"), Some(&3u32));
assert_eq!(consumed2, bytes2.len());
}
#[test]
fn test_hashset_u32_100_elements_roundtrip() {
let original: HashSet<u32> = (0u32..100).collect();
let bytes = encode_to_vec(&original).expect("encode HashSet<u32> 100 elements");
let (decoded, consumed): (HashSet<u32>, usize) =
decode_from_slice(&bytes).expect("decode HashSet<u32> 100 elements");
assert_eq!(decoded.len(), 100);
for i in 0u32..100 {
assert!(decoded.contains(&i), "missing element {}", i);
}
assert_eq!(consumed, bytes.len());
}
#[test]
fn test_hashmap_nested_maps_roundtrip() {
let mut inner1: HashMap<u32, u32> = HashMap::new();
inner1.insert(10, 100);
inner1.insert(20, 200);
let mut inner2: HashMap<u32, u32> = HashMap::new();
inner2.insert(30, 300);
let mut original: HashMap<u32, HashMap<u32, u32>> = HashMap::new();
original.insert(1, inner1);
original.insert(2, inner2);
original.insert(3, HashMap::new());
let bytes = encode_to_vec(&original).expect("encode HashMap<u32, HashMap<u32, u32>>");
let (decoded, consumed): (HashMap<u32, HashMap<u32, u32>>, usize) =
decode_from_slice(&bytes).expect("decode HashMap<u32, HashMap<u32, u32>>");
assert_eq!(decoded.len(), 3);
let d1 = decoded.get(&1).expect("outer key 1 missing");
assert_eq!(d1.get(&10), Some(&100u32));
assert_eq!(d1.get(&20), Some(&200u32));
let d2 = decoded.get(&2).expect("outer key 2 missing");
assert_eq!(d2.get(&30), Some(&300u32));
let d3 = decoded.get(&3).expect("outer key 3 missing");
assert!(d3.is_empty());
assert_eq!(consumed, bytes.len());
}