qoi/fuzz/fuzz_targets/qoi_decode.rs
2021-12-01 00:05:46 +00:00

37 lines
959 B
Rust

#![no_main]
use libfuzzer_sys::fuzz_target;
fuzz_target!(|input: (u16, u16, bool, &[u8])| {
let (w, h, is_4, data) = input;
let (w, h) = (w % 300, h % 300);
let channels = if is_4 { 4 } else { 3 };
let mut vec = vec![
b'q',
b'o',
b'i',
b'f',
0,
0,
(w >> 8) as u8,
(w & 0xff) as u8,
0,
0,
(h >> 8) as u8,
(h & 0xff) as u8,
channels,
0,
];
vec.extend(&*data);
vec.extend(&[0, 0, 0, 0]);
let out = qoi_fast::qoi_decode_to_vec(&vec, channels);
if let Ok((header, out)) = out {
assert_eq!(header.magic, qoi_fast::consts::QOI_MAGIC);
assert_eq!(header.width, w as u32);
assert_eq!(header.height, h as u32);
assert_eq!(header.channels, channels);
assert_eq!(header.colorspace.to_u8(), 0);
assert_eq!(out.len(), w as usize * h as usize * channels as usize);
}
});