#![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_reader, decode_from_reader_with_config, decode_from_slice, encode_to_vec,
encode_to_writer, encode_to_writer_with_config,
};
use std::io::Cursor;
#[test]
fn test_encode_to_writer_u32_bytes_match_encode_to_vec() {
let val: u32 = 0xDEAD_BEEF;
let vec_bytes = encode_to_vec(&val).expect("encode_to_vec u32");
let mut writer_bytes: Vec<u8> = Vec::new();
encode_to_writer(&val, &mut writer_bytes).expect("encode_to_writer u32");
assert_eq!(vec_bytes, writer_bytes);
}
#[test]
fn test_encode_to_writer_string_decode_from_reader() {
let original = "oxicode streaming test".to_string();
let mut buf: Vec<u8> = Vec::new();
encode_to_writer(&original, &mut buf).expect("encode_to_writer String");
let cursor = Cursor::new(&buf[..]);
let (decoded, _): (String, _) = decode_from_reader(cursor).expect("decode_from_reader String");
assert_eq!(original, decoded);
}
#[test]
fn test_encode_to_writer_u64_roundtrip() {
let original: u64 = u64::MAX / 3;
let mut buf: Vec<u8> = Vec::new();
encode_to_writer(&original, &mut buf).expect("encode_to_writer u64");
let cursor = Cursor::new(&buf[..]);
let (decoded, _): (u64, _) = decode_from_reader(cursor).expect("decode_from_reader u64");
assert_eq!(original, decoded);
}
#[test]
fn test_encode_to_writer_returns_correct_byte_count() {
let val: u32 = 999;
let mut buf: Vec<u8> = Vec::new();
let n = encode_to_writer(&val, &mut buf).expect("encode_to_writer count");
assert_eq!(n, buf.len());
assert!(n > 0);
}
#[test]
fn test_encode_to_writer_vec_u32_roundtrip() {
let original: Vec<u32> = vec![1, 2, 3, 100, 200, u32::MAX];
let mut buf: Vec<u8> = Vec::new();
encode_to_writer(&original, &mut buf).expect("encode_to_writer Vec<u32>");
let cursor = Cursor::new(&buf[..]);
let (decoded, _): (Vec<u32>, _) =
decode_from_reader(cursor).expect("decode_from_reader Vec<u32>");
assert_eq!(original, decoded);
}
#[test]
fn test_encode_to_writer_option_u32_some_roundtrip() {
let original: Option<u32> = Some(42);
let mut buf: Vec<u8> = Vec::new();
encode_to_writer(&original, &mut buf).expect("encode_to_writer Option Some");
let cursor = Cursor::new(&buf[..]);
let (decoded, _): (Option<u32>, _) =
decode_from_reader(cursor).expect("decode_from_reader Option Some");
assert_eq!(original, decoded);
}
#[test]
fn test_encode_to_writer_option_u32_none_roundtrip() {
let original: Option<u32> = None;
let mut buf: Vec<u8> = Vec::new();
encode_to_writer(&original, &mut buf).expect("encode_to_writer Option None");
let cursor = Cursor::new(&buf[..]);
let (decoded, _): (Option<u32>, _) =
decode_from_reader(cursor).expect("decode_from_reader Option None");
assert_eq!(original, decoded);
}
#[test]
fn test_encode_to_writer_bool_roundtrip() {
for &flag in &[true, false] {
let mut buf: Vec<u8> = Vec::new();
encode_to_writer(&flag, &mut buf).expect("encode_to_writer bool");
let cursor = Cursor::new(&buf[..]);
let (decoded, _): (bool, _) = decode_from_reader(cursor).expect("decode_from_reader bool");
assert_eq!(flag, decoded);
}
}
#[test]
fn test_multiple_sequential_encode_to_writer_into_same_buffer() {
let a: u32 = 10;
let b: u32 = 20;
let c: u32 = 30;
let mut buf: Vec<u8> = Vec::new();
let n_a = encode_to_writer(&a, &mut buf).expect("encode a");
let n_b = encode_to_writer(&b, &mut buf).expect("encode b");
let n_c = encode_to_writer(&c, &mut buf).expect("encode c");
assert_eq!(buf.len(), n_a + n_b + n_c);
}
#[test]
fn test_multiple_sequential_decode_from_reader_from_same_cursor() {
let a: u32 = 111;
let b: u32 = 222;
let c: u32 = 333;
let mut buf: Vec<u8> = Vec::new();
encode_to_writer(&a, &mut buf).expect("encode a");
encode_to_writer(&b, &mut buf).expect("encode b");
encode_to_writer(&c, &mut buf).expect("encode c");
let mut cursor = Cursor::new(&buf[..]);
let (decoded_a, n_a): (u32, _) = decode_from_reader(&mut cursor).expect("decode a");
let (decoded_b, n_b): (u32, _) = decode_from_reader(&mut cursor).expect("decode b");
let (decoded_c, n_c): (u32, _) = decode_from_reader(&mut cursor).expect("decode c");
assert_eq!(decoded_a, a);
assert_eq!(decoded_b, b);
assert_eq!(decoded_c, c);
assert_eq!(n_a + n_b + n_c, buf.len());
}
#[test]
fn test_encode_to_writer_then_decode_from_slice_same_format() {
let original: u32 = 0xABCD_1234;
let mut buf: Vec<u8> = Vec::new();
encode_to_writer(&original, &mut buf).expect("encode_to_writer");
let (decoded, consumed): (u32, _) = decode_from_slice(&buf).expect("decode_from_slice");
assert_eq!(original, decoded);
assert_eq!(consumed, buf.len());
}
#[test]
fn test_encode_to_vec_then_decode_from_reader_same_format() {
let original: u64 = 0x1122_3344_5566_7788;
let buf = encode_to_vec(&original).expect("encode_to_vec");
let cursor = Cursor::new(&buf[..]);
let (decoded, n): (u64, _) = decode_from_reader(cursor).expect("decode_from_reader");
assert_eq!(original, decoded);
assert_eq!(n, buf.len());
}
#[test]
fn test_encode_to_writer_with_config_fixed_int_u32() {
let val: u32 = 12345;
let cfg = config::standard().with_fixed_int_encoding();
let mut buf: Vec<u8> = Vec::new();
let n = encode_to_writer_with_config(&val, &mut buf, cfg).expect("encode fixed-int");
assert_eq!(n, 4, "fixed-int u32 must be 4 bytes");
assert_eq!(buf.len(), 4);
}
#[test]
fn test_encode_to_writer_with_config_big_endian_u32() {
let val: u32 = 0x0102_0304;
let cfg_be = config::standard()
.with_big_endian()
.with_fixed_int_encoding();
let mut buf_be: Vec<u8> = Vec::new();
encode_to_writer_with_config(&val, &mut buf_be, cfg_be).expect("encode big-endian");
let cfg_le = config::standard()
.with_little_endian()
.with_fixed_int_encoding();
let mut buf_le: Vec<u8> = Vec::new();
encode_to_writer_with_config(&val, &mut buf_le, cfg_le).expect("encode little-endian");
let reversed: Vec<u8> = buf_be.iter().copied().rev().collect();
assert_eq!(reversed, buf_le);
}
#[test]
fn test_decode_from_reader_with_config_fixed_int_u32() {
let val: u32 = 99999;
let cfg = config::standard().with_fixed_int_encoding();
let mut buf: Vec<u8> = Vec::new();
encode_to_writer_with_config(&val, &mut buf, cfg).expect("encode fixed-int");
assert_eq!(buf.len(), 4);
let cursor = Cursor::new(&buf[..]);
let (decoded, n): (u32, _) =
decode_from_reader_with_config(cursor, cfg).expect("decode fixed-int");
assert_eq!(decoded, val);
assert_eq!(n, 4);
}
#[test]
fn test_decode_from_reader_with_config_big_endian_u32() {
let val: u32 = 0xCAFE_BABE;
let cfg = config::standard()
.with_big_endian()
.with_fixed_int_encoding();
let mut buf: Vec<u8> = Vec::new();
encode_to_writer_with_config(&val, &mut buf, cfg).expect("encode big-endian");
let cursor = Cursor::new(&buf[..]);
let (decoded, n): (u32, _) =
decode_from_reader_with_config(cursor, cfg).expect("decode big-endian");
assert_eq!(decoded, val);
assert_eq!(n, 4);
}
#[test]
fn test_encode_to_writer_i128_roundtrip() {
let original: i128 = i128::MIN / 7;
let mut buf: Vec<u8> = Vec::new();
encode_to_writer(&original, &mut buf).expect("encode_to_writer i128");
let cursor = Cursor::new(&buf[..]);
let (decoded, _): (i128, _) = decode_from_reader(cursor).expect("decode_from_reader i128");
assert_eq!(original, decoded);
}
#[test]
fn test_encode_to_writer_f64_pi_roundtrip() {
let original: f64 = std::f64::consts::PI;
let mut buf: Vec<u8> = Vec::new();
encode_to_writer(&original, &mut buf).expect("encode_to_writer f64 PI");
let cursor = Cursor::new(&buf[..]);
let (decoded, _): (f64, _) = decode_from_reader(cursor).expect("decode_from_reader f64 PI");
assert!((decoded - original).abs() < f64::EPSILON);
}
#[test]
fn test_encode_to_writer_vec_string_roundtrip() {
let original: Vec<String> = vec![
"alpha".to_string(),
"beta".to_string(),
"gamma delta".to_string(),
];
let mut buf: Vec<u8> = Vec::new();
encode_to_writer(&original, &mut buf).expect("encode_to_writer Vec<String>");
let cursor = Cursor::new(&buf[..]);
let (decoded, _): (Vec<String>, _) =
decode_from_reader(cursor).expect("decode_from_reader Vec<String>");
assert_eq!(original, decoded);
}
#[test]
fn test_encode_to_writer_into_file_roundtrip() {
let original: u64 = 0xFEED_FACE_DEAD_BEEF;
let path = std::env::temp_dir().join("oxicode_encode_to_writer_advanced2_test_20.bin");
{
let mut file = std::fs::File::create(&path).expect("create temp file");
encode_to_writer(&original, &mut file).expect("encode_to_writer into File");
}
{
let file = std::fs::File::open(&path).expect("open temp file");
let (decoded, _): (u64, _) =
decode_from_reader(file).expect("decode_from_reader from File");
assert_eq!(original, decoded);
}
std::fs::remove_file(&path).ok();
}
#[test]
fn test_sequential_encode_decode_three_different_types() {
let a: u32 = 42;
let b: String = "hello".to_string();
let c: f64 = std::f64::consts::E;
let mut buf: Vec<u8> = Vec::new();
encode_to_writer(&a, &mut buf).expect("encode u32");
encode_to_writer(&b, &mut buf).expect("encode String");
encode_to_writer(&c, &mut buf).expect("encode f64");
let mut cursor = Cursor::new(&buf[..]);
let (decoded_a, _): (u32, _) = decode_from_reader(&mut cursor).expect("decode u32");
let (decoded_b, _): (String, _) = decode_from_reader(&mut cursor).expect("decode String");
let (decoded_c, _): (f64, _) = decode_from_reader(&mut cursor).expect("decode f64");
assert_eq!(decoded_a, a);
assert_eq!(decoded_b, b);
assert!((decoded_c - c).abs() < f64::EPSILON);
}
#[test]
fn test_encode_to_writer_empty_vec_u8_roundtrip() {
let original: Vec<u8> = Vec::new();
let mut buf: Vec<u8> = Vec::new();
encode_to_writer(&original, &mut buf).expect("encode_to_writer empty Vec<u8>");
let cursor = Cursor::new(&buf[..]);
let (decoded, _): (Vec<u8>, _) =
decode_from_reader(cursor).expect("decode_from_reader empty Vec<u8>");
assert!(decoded.is_empty());
}