103 lines
2.9 KiB
Rust
103 lines
2.9 KiB
Rust
extern crate bitcoin;
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use std::str::FromStr;
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fn do_test(data: &[u8]) {
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macro_rules! read_ints {
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($start: expr) => { {
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let mut native = 0;
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for c in data[$start..$start + 16].iter() {
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native <<= 8;
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native |= (*c) as u128;
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}
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// Note BE:
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let uint128 = bitcoin::util::uint::Uint128::from(&[native as u64, (native >> 8*8) as u64][..]);
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(native, uint128)
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} }
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}
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macro_rules! check_eq {
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($native: expr, $uint: expr) => { {
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assert_eq!(&[$native as u64, ($native >> 8*8) as u64], $uint.as_bytes());
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} }
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}
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if data.len() != 16*2 + 1 { return; }
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let (a_native, a) = read_ints!(0);
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// Checks using only a:
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for i in 0..128 {
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check_eq!(a_native << i, a << i);
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check_eq!(a_native >> i, a >> i);
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}
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assert_eq!(a_native as u64, a.low_u64());
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assert_eq!(a_native as u32, a.low_u32());
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assert_eq!(128 - a_native.leading_zeros() as usize, a.bits());
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assert_eq!(a_native as u64, bitcoin::util::uint::Uint128::from_u64(a_native as u64).unwrap().low_u64());
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// Checks with two numbers:
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let (b_native, b) = read_ints!(16);
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check_eq!(a_native.wrapping_add(b_native), a + b);
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check_eq!(a_native.wrapping_sub(b_native), a - b);
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if b_native != 0 {
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check_eq!(a_native.wrapping_div(b_native), a / b);
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check_eq!(a_native.wrapping_rem(b_native), a % b);
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}
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check_eq!(a_native.wrapping_mul(b_native), a * b);
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check_eq!(a_native & b_native, a & b);
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check_eq!(a_native | b_native, a | b);
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check_eq!(a_native ^ b_native, a ^ b);
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check_eq!(a_native.wrapping_mul((b_native as u32) as u128), a.mul_u32(b.low_u32()));
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assert_eq!(a_native > b_native, a > b);
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assert_eq!(a_native >= b_native, a >= b);
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assert_eq!(a_native < b_native, a < b);
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assert_eq!(a_native <= b_native, a <= b);
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}
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#[cfg(feature = "afl")]
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#[macro_use] extern crate afl;
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#[cfg(feature = "afl")]
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fn main() {
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fuzz!(|data| {
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do_test(&data);
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});
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}
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#[cfg(feature = "honggfuzz")]
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#[macro_use] extern crate honggfuzz;
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#[cfg(feature = "honggfuzz")]
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fn main() {
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loop {
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fuzz!(|data| {
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do_test(data);
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});
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}
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}
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#[cfg(test)]
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mod tests {
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fn extend_vec_from_hex(hex: &str, out: &mut Vec<u8>) {
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let mut b = 0;
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for (idx, c) in hex.as_bytes().iter().enumerate() {
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b <<= 4;
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match *c {
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b'A'...b'F' => b |= c - b'A' + 10,
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b'a'...b'f' => b |= c - b'a' + 10,
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b'0'...b'9' => b |= c - b'0',
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_ => panic!("Bad hex"),
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}
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if (idx & 1) == 1 {
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out.push(b);
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b = 0;
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}
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}
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}
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#[test]
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fn duplicate_crash() {
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let mut a = Vec::new();
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extend_vec_from_hex("100000a70000000000000000000000000000000000000000000000000000000054", &mut a);
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super::do_test(&a);
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}
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}
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