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use hex_simd::{AsOut, AsciiCase};
use core::mem::MaybeUninit;
fn rand_bytes(n: usize) -> Vec<u8> {
use rand::RngCore;
let mut bytes = vec![0u8; n];
rand::thread_rng().fill_bytes(&mut bytes);
bytes
}
#[cfg(miri)]
use std::io::Write as _;
macro_rules! dbgmsg {
($($fmt:tt)*) => {
// println!($($fmt)*);
// #[cfg(miri)]
// std::io::stdout().flush().unwrap();
};
}
#[cfg_attr(not(target_arch = "wasm32"), test)]
#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
fn as_str() {
let src = "hello";
let mut buf = [MaybeUninit::<u8>::uninit(); 10];
let ans = hex_simd::encode_as_str(src.as_bytes(), buf.as_mut_slice().as_out(), AsciiCase::Lower);
assert_eq!(ans, "68656c6c6f");
}
#[cfg(feature = "alloc")]
#[cfg_attr(not(target_arch = "wasm32"), test)]
#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
fn allocation() {
{
let src = "hello";
let ans: String = hex_simd::encode_type(src, AsciiCase::Lower);
assert_eq!(&*ans, "68656c6c6f");
let ans: Vec<u8> = hex_simd::decode_type(ans).unwrap();
assert_eq!(&*ans, src.as_bytes());
}
{
let src = [1, 2, 3];
let prefix = "0x";
let mut encode_buf = prefix.to_owned();
hex_simd::encode_append(src, &mut encode_buf, AsciiCase::Lower);
assert_eq!(encode_buf, format!("{prefix}010203"));
let mut decode_buf = b"123".to_vec();
let src = &encode_buf[prefix.len()..];
hex_simd::decode_append(src, &mut decode_buf).unwrap();
assert_eq!(decode_buf, b"123\x01\x02\x03");
}
}
#[cfg_attr(not(target_arch = "wasm32"), test)]
#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test::wasm_bindgen_test)]
fn random() {
let ok_cases: Vec<Vec<u8>> = {
let mut ans = Vec::new();
for n in 0..128usize {
dbgmsg!("generating ok case n = {}", n);
let iter = (0..16).cycle().take(n).map(|x| char::from_digit(x, 16).unwrap() as u8);
ans.push(iter.collect());
}
ans
};
let err_cases: Vec<Vec<u8>> = {
vec![
vec![0],
vec![b'0', 0],
vec![b'a', b'f', 0],
vec![b'a', b'0', b'c', 0],
vec![b'a', b'0', b'c', b'1', 0],
]
};
macro_rules! test_decode_encode {
($src: expr, $case: expr) => {{
let mut decode_buf = vec![0; $src.len() / 2];
let mut encode_buf = vec![0; $src.len()];
let decode_buf = hex_simd::decode($src, decode_buf.as_out()).unwrap();
let encode_buf = hex_simd::encode(decode_buf, encode_buf.as_out(), $case);
assert_eq!(encode_buf, $src);
}};
}
macro_rules! test_decode_inplace_encode {
($src: expr, $case: expr) => {{
let mut decode_buf = $src.to_owned();
let mut encode_buf = vec![0; $src.len()];
let decode_buf = hex_simd::decode_inplace(&mut decode_buf).unwrap();
let encode_buf = hex_simd::encode(decode_buf, encode_buf.as_out(), $case);
assert_eq!(encode_buf, $src);
}};
}
macro_rules! test_encode_decode {
($src: expr, $case: expr) => {{
let mut encode_buf = vec![0; $src.len() * 2];
let mut decode_buf = vec![0; $src.len()];
let encode_buf = hex_simd::encode($src, encode_buf.as_out(), $case);
let decode_buf = hex_simd::decode(encode_buf, decode_buf.as_out()).unwrap();
assert_eq!(decode_buf, $src);
}};
}
macro_rules! test_encode_decode_inplace {
($src: expr, $case: expr) => {{
let mut encode_buf = vec![0; $src.len() * 2];
let encode_buf = hex_simd::encode($src, encode_buf.as_out(), $case);
let decode_buf = hex_simd::decode_inplace(encode_buf).unwrap();
assert_eq!(decode_buf, $src);
}};
}
for (_, src) in ok_cases.iter().enumerate() {
// dbgmsg!("ok case {}", i + 1);
assert!(hex_simd::check(src).is_ok());
if src.len() % 2 == 0 {
test_decode_encode!(src, AsciiCase::Lower);
test_decode_inplace_encode!(src, AsciiCase::Lower);
} else {
test_encode_decode!(src, AsciiCase::Upper);
test_encode_decode_inplace!(src, AsciiCase::Lower);
}
}
for (_, src) in err_cases.iter().enumerate() {
// dbgmsg!("err case {}", i + 1);
assert!(hex_simd::check(src).is_err());
let mut buf = vec![0; src.len() / 2];
assert!(hex_simd::decode(src, buf.as_out()).is_err(), "src = {src:?}");
}
for n in 0..128 {
dbgmsg!("rand case n = {}", n);
let bytes = rand_bytes(n);
let src = bytes.as_slice();
test_encode_decode!(src, AsciiCase::Lower);
test_encode_decode_inplace!(src, AsciiCase::Upper);
}
}
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