bincode-orig/compatibility/src/lib.rs

124 lines
3.3 KiB
Rust

#![cfg(test)]
use ::rand::Rng;
use bincode_1::Options;
mod membership;
mod misc;
mod rand;
mod sway;
pub fn test_same_with_config<T, C, O>(t: &T, bincode_1_options: O, bincode_2_config: C)
where
T: bincode_2::Encode
+ bincode_2::Decode<()>
+ serde::Serialize
+ serde::de::DeserializeOwned
+ core::fmt::Debug
+ PartialEq,
C: bincode_2::config::Config,
O: bincode_1::Options + Copy,
{
// This is what bincode 1 serializes to. This will be our comparison value.
let encoded = bincode_1_options.serialize(t).unwrap();
println!("Encoded {t:?} as {encoded:?}");
// Test bincode 2 encode
let bincode_2_output = bincode_2::encode_to_vec(t, bincode_2_config).unwrap();
assert_eq!(
encoded,
bincode_2_output,
"{t:?} serializes differently\nbincode 2 config {:?}",
core::any::type_name::<C>(),
);
// Test bincode 2 serde serialize
let bincode_2_serde_output = bincode_2::serde::encode_to_vec(t, bincode_2_config).unwrap();
assert_eq!(
encoded, bincode_2_serde_output,
"{t:?} serializes differently"
);
// Test bincode 1 deserialize
let decoded: T = bincode_1_options.deserialize(&encoded).unwrap();
assert_eq!(&decoded, t);
// Test bincode 2 decode
let decoded: T = bincode_2::decode_from_slice(&encoded, bincode_2_config)
.unwrap()
.0;
assert_eq!(&decoded, t);
// Test bincode 2 serde deserialize
let decoded: T = bincode_2::serde::decode_from_slice(&encoded, bincode_2_config)
.unwrap()
.0;
assert_eq!(&decoded, t);
}
pub fn test_same<T>(t: T)
where
T: bincode_2::Encode
+ bincode_2::Decode<()>
+ serde::Serialize
+ serde::de::DeserializeOwned
+ core::fmt::Debug
+ PartialEq,
{
test_same_with_config(
&t,
// This is the config used internally by bincode 1
bincode_1::options().with_fixint_encoding(),
// Should match `::legacy()`
bincode_2::config::legacy(),
);
// Check a bunch of different configs:
test_same_with_config(
&t,
bincode_1::options()
.with_big_endian()
.with_varint_encoding(),
bincode_2::config::legacy()
.with_big_endian()
.with_variable_int_encoding(),
);
test_same_with_config(
&t,
bincode_1::options()
.with_little_endian()
.with_varint_encoding(),
bincode_2::config::legacy()
.with_little_endian()
.with_variable_int_encoding(),
);
test_same_with_config(
&t,
bincode_1::options()
.with_big_endian()
.with_fixint_encoding(),
bincode_2::config::legacy()
.with_big_endian()
.with_fixed_int_encoding(),
);
test_same_with_config(
&t,
bincode_1::options()
.with_little_endian()
.with_fixint_encoding(),
bincode_2::config::legacy()
.with_little_endian()
.with_fixed_int_encoding(),
);
}
pub fn gen_string(rng: &mut impl Rng) -> String {
let len = rng.gen_range(0..100usize);
let mut result = String::with_capacity(len * 4);
for _ in 0..len {
result.push(rng.gen_range('\0'..char::MAX));
}
result
}