#![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,
};
#[test]
fn test_u8_all_boundaries_roundtrip() {
let values: [u8; 6] = [0, 1, 127, 128, 254, 255];
for v in values {
let encoded = encode_to_vec(&v).expect("encode u8 boundary");
let (decoded, _): (u8, _) = decode_from_slice(&encoded).expect("decode u8 boundary");
assert_eq!(v, decoded, "u8 roundtrip failed for value {v}");
}
}
#[test]
fn test_u16_all_boundaries_roundtrip() {
let values: [u16; 10] = [0, 1, 127, 128, 255, 256, 16383, 16384, 65534, 65535];
for v in values {
let encoded = encode_to_vec(&v).expect("encode u16 boundary");
let (decoded, _): (u16, _) = decode_from_slice(&encoded).expect("decode u16 boundary");
assert_eq!(v, decoded, "u16 roundtrip failed for value {v}");
}
}
#[test]
fn test_u32_boundaries_roundtrip() {
let values: [u32; 5] = [0, 1, u16::MAX as u32, u16::MAX as u32 + 1, u32::MAX];
for v in values {
let encoded = encode_to_vec(&v).expect("encode u32 boundary");
let (decoded, _): (u32, _) = decode_from_slice(&encoded).expect("decode u32 boundary");
assert_eq!(v, decoded, "u32 roundtrip failed for value {v}");
}
}
#[test]
fn test_u64_boundaries_roundtrip() {
let values: [u64; 5] = [0, 1, u32::MAX as u64, u32::MAX as u64 + 1, u64::MAX];
for v in values {
let encoded = encode_to_vec(&v).expect("encode u64 boundary");
let (decoded, _): (u64, _) = decode_from_slice(&encoded).expect("decode u64 boundary");
assert_eq!(v, decoded, "u64 roundtrip failed for value {v}");
}
}
#[test]
fn test_i8_boundaries_roundtrip() {
let values: [i8; 5] = [i8::MIN, -1, 0, 1, i8::MAX];
for v in values {
let encoded = encode_to_vec(&v).expect("encode i8 boundary");
let (decoded, _): (i8, _) = decode_from_slice(&encoded).expect("decode i8 boundary");
assert_eq!(v, decoded, "i8 roundtrip failed for value {v}");
}
}
#[test]
fn test_i16_boundaries_roundtrip() {
let values: [i16; 5] = [i16::MIN, -1, 0, 1, i16::MAX];
for v in values {
let encoded = encode_to_vec(&v).expect("encode i16 boundary");
let (decoded, _): (i16, _) = decode_from_slice(&encoded).expect("decode i16 boundary");
assert_eq!(v, decoded, "i16 roundtrip failed for value {v}");
}
}
#[test]
fn test_i32_boundaries_roundtrip() {
let values: [i32; 5] = [i32::MIN, -1, 0, 1, i32::MAX];
for v in values {
let encoded = encode_to_vec(&v).expect("encode i32 boundary");
let (decoded, _): (i32, _) = decode_from_slice(&encoded).expect("decode i32 boundary");
assert_eq!(v, decoded, "i32 roundtrip failed for value {v}");
}
}
#[test]
fn test_i64_boundaries_roundtrip() {
let values: [i64; 5] = [i64::MIN, -1, 0, 1, i64::MAX];
for v in values {
let encoded = encode_to_vec(&v).expect("encode i64 boundary");
let (decoded, _): (i64, _) = decode_from_slice(&encoded).expect("decode i64 boundary");
assert_eq!(v, decoded, "i64 roundtrip failed for value {v}");
}
}
#[test]
fn test_u128_boundaries_roundtrip() {
let values: [u128; 3] = [0, u64::MAX as u128, u128::MAX];
for v in values {
let encoded = encode_to_vec(&v).expect("encode u128 boundary");
let (decoded, _): (u128, _) = decode_from_slice(&encoded).expect("decode u128 boundary");
assert_eq!(v, decoded, "u128 roundtrip failed for value {v}");
}
}
#[test]
fn test_i128_boundaries_roundtrip() {
let values: [i128; 5] = [i128::MIN, -1, 0, 1, i128::MAX];
for v in values {
let encoded = encode_to_vec(&v).expect("encode i128 boundary");
let (decoded, _): (i128, _) = decode_from_slice(&encoded).expect("decode i128 boundary");
assert_eq!(v, decoded, "i128 roundtrip failed for value {v}");
}
}
#[test]
fn test_varint_encoding_size_increases_with_value() {
let enc_0 = encode_to_vec(&0u64).expect("encode 0u64");
let enc_u16_max = encode_to_vec(&(u16::MAX as u64)).expect("encode u16::MAX as u64");
let enc_u32_max = encode_to_vec(&(u32::MAX as u64)).expect("encode u32::MAX as u64");
let enc_u64_max = encode_to_vec(&u64::MAX).expect("encode u64::MAX");
assert!(
enc_0.len() < enc_u16_max.len(),
"0u64 ({}) must be smaller than u16::MAX ({})",
enc_0.len(),
enc_u16_max.len()
);
assert!(
enc_u16_max.len() < enc_u32_max.len(),
"u16::MAX ({}) must be smaller than u32::MAX ({})",
enc_u16_max.len(),
enc_u32_max.len()
);
assert!(
enc_u32_max.len() < enc_u64_max.len(),
"u32::MAX ({}) must be smaller than u64::MAX ({})",
enc_u32_max.len(),
enc_u64_max.len()
);
}
#[test]
fn test_u8_max_1_byte_u16_max_multi_byte() {
let enc_u8_max = encode_to_vec(&u8::MAX).expect("encode u8::MAX");
assert_eq!(
enc_u8_max.len(),
1,
"u8::MAX must encode as exactly 1 byte, got {}",
enc_u8_max.len()
);
let enc_u16_max = encode_to_vec(&u16::MAX).expect("encode u16::MAX");
assert!(
enc_u16_max.len() > 1,
"u16::MAX must encode in more than 1 byte, got {}",
enc_u16_max.len()
);
}
#[test]
fn test_fixed_int_u8_always_1_byte() {
let cfg = config::standard().with_fixed_int_encoding();
for v in [0u8, 1, 127, 128, 254, 255] {
let encoded = encode_to_vec_with_config(&v, cfg).expect("encode u8 fixed-int");
assert_eq!(
encoded.len(),
1,
"fixed-int u8 value {v} must occupy exactly 1 byte, got {}",
encoded.len()
);
let (decoded, _): (u8, _) =
decode_from_slice_with_config(&encoded, cfg).expect("decode u8 fixed-int");
assert_eq!(v, decoded, "fixed-int u8 roundtrip failed for {v}");
}
}
#[test]
fn test_fixed_int_u16_always_2_bytes() {
let cfg = config::standard().with_fixed_int_encoding();
for v in [0u16, 1, 255, 256, 16384, 65534, 65535] {
let encoded = encode_to_vec_with_config(&v, cfg).expect("encode u16 fixed-int");
assert_eq!(
encoded.len(),
2,
"fixed-int u16 value {v} must occupy exactly 2 bytes, got {}",
encoded.len()
);
let (decoded, _): (u16, _) =
decode_from_slice_with_config(&encoded, cfg).expect("decode u16 fixed-int");
assert_eq!(v, decoded, "fixed-int u16 roundtrip failed for {v}");
}
}
#[test]
fn test_fixed_int_u32_always_4_bytes() {
let cfg = config::standard().with_fixed_int_encoding();
for v in [0u32, 1, u16::MAX as u32, u16::MAX as u32 + 1, u32::MAX] {
let encoded = encode_to_vec_with_config(&v, cfg).expect("encode u32 fixed-int");
assert_eq!(
encoded.len(),
4,
"fixed-int u32 value {v} must occupy exactly 4 bytes, got {}",
encoded.len()
);
let (decoded, _): (u32, _) =
decode_from_slice_with_config(&encoded, cfg).expect("decode u32 fixed-int");
assert_eq!(v, decoded, "fixed-int u32 roundtrip failed for {v}");
}
}
#[test]
fn test_fixed_int_u64_always_8_bytes() {
let cfg = config::standard().with_fixed_int_encoding();
for v in [0u64, 1, u32::MAX as u64, u32::MAX as u64 + 1, u64::MAX] {
let encoded = encode_to_vec_with_config(&v, cfg).expect("encode u64 fixed-int");
assert_eq!(
encoded.len(),
8,
"fixed-int u64 value {v} must occupy exactly 8 bytes, got {}",
encoded.len()
);
let (decoded, _): (u64, _) =
decode_from_slice_with_config(&encoded, cfg).expect("decode u64 fixed-int");
assert_eq!(v, decoded, "fixed-int u64 roundtrip failed for {v}");
}
}
#[test]
fn test_big_endian_u32_byte_order() {
let cfg = config::standard()
.with_big_endian()
.with_fixed_int_encoding();
let v: u32 = 0x01020304;
let encoded = encode_to_vec_with_config(&v, cfg).expect("encode big-endian u32");
assert_eq!(encoded.len(), 4, "fixed big-endian u32 must be 4 bytes");
assert_eq!(
encoded[0], 0x01,
"big-endian: byte 0 must be 0x01, got 0x{:02X}",
encoded[0]
);
assert_eq!(
encoded[1], 0x02,
"big-endian: byte 1 must be 0x02, got 0x{:02X}",
encoded[1]
);
assert_eq!(
encoded[2], 0x03,
"big-endian: byte 2 must be 0x03, got 0x{:02X}",
encoded[2]
);
assert_eq!(
encoded[3], 0x04,
"big-endian: byte 3 must be 0x04, got 0x{:02X}",
encoded[3]
);
let (decoded, _): (u32, _) =
decode_from_slice_with_config(&encoded, cfg).expect("decode big-endian u32");
assert_eq!(v, decoded, "big-endian u32 roundtrip failed");
}
#[test]
fn test_i32_min_zigzag_consumed_equals_encoded_len() {
let v = i32::MIN;
let encoded = encode_to_vec(&v).expect("encode i32::MIN");
assert_eq!(
encoded.len(),
5,
"i32::MIN must encode as 5 bytes via zigzag varint, got {}",
encoded.len()
);
let (decoded, consumed): (i32, _) = decode_from_slice(&encoded).expect("decode i32::MIN");
assert_eq!(v, decoded, "i32::MIN roundtrip failed");
assert_eq!(
consumed,
encoded.len(),
"consumed bytes ({consumed}) must equal encoded length ({})",
encoded.len()
);
}
#[test]
fn test_vec_u8_boundaries_roundtrip() {
let values: Vec<u8> = vec![0, 1, 127, 128, 254, 255];
let encoded = encode_to_vec(&values).expect("encode Vec<u8> boundaries");
let (decoded, consumed): (Vec<u8>, _) =
decode_from_slice(&encoded).expect("decode Vec<u8> boundaries");
assert_eq!(values, decoded, "Vec<u8> boundaries roundtrip failed");
assert_eq!(
consumed,
encoded.len(),
"consumed ({consumed}) must equal encoded length ({})",
encoded.len()
);
}
#[test]
fn test_option_u64_max_some_roundtrip() {
let v: Option<u64> = Some(u64::MAX);
let encoded = encode_to_vec(&v).expect("encode Option<u64::MAX> Some");
let (decoded, consumed): (Option<u64>, _) =
decode_from_slice(&encoded).expect("decode Option<u64::MAX> Some");
assert_eq!(v, decoded, "Option<u64::MAX> Some roundtrip failed");
assert_eq!(
consumed,
encoded.len(),
"consumed ({consumed}) must equal encoded length ({})",
encoded.len()
);
}
#[test]
fn test_tuple_unsigned_max_roundtrip() {
let v: (u8, u16, u32, u64) = (u8::MAX, u16::MAX, u32::MAX, u64::MAX);
let encoded = encode_to_vec(&v).expect("encode tuple (u8::MAX, u16::MAX, u32::MAX, u64::MAX)");
let (decoded, consumed): ((u8, u16, u32, u64), _) =
decode_from_slice(&encoded).expect("decode tuple (u8::MAX, u16::MAX, u32::MAX, u64::MAX)");
assert_eq!(
v, decoded,
"tuple (u8::MAX, u16::MAX, u32::MAX, u64::MAX) roundtrip failed"
);
assert_eq!(
consumed,
encoded.len(),
"consumed ({consumed}) must equal encoded length ({})",
encoded.len()
);
}
#[test]
fn test_tuple_signed_min_roundtrip() {
let v: (i8, i16, i32, i64) = (i8::MIN, i16::MIN, i32::MIN, i64::MIN);
let encoded = encode_to_vec(&v).expect("encode tuple (i8::MIN, i16::MIN, i32::MIN, i64::MIN)");
let (decoded, consumed): ((i8, i16, i32, i64), _) =
decode_from_slice(&encoded).expect("decode tuple (i8::MIN, i16::MIN, i32::MIN, i64::MIN)");
assert_eq!(
v, decoded,
"tuple (i8::MIN, i16::MIN, i32::MIN, i64::MIN) roundtrip failed"
);
assert_eq!(
consumed,
encoded.len(),
"consumed ({consumed}) must equal encoded length ({})",
encoded.len()
);
}