42 lines
1 KiB
Rust
42 lines
1 KiB
Rust
#![no_main]
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use libfuzzer_sys::fuzz_target;
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use qoi::{decode_header, decode_to_vec, Channels, ColorSpace, Header};
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fuzz_target!(|input: (u16, u16, bool, &[u8])| {
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let (w, h, is_4, data) = input;
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let (w, h) = (1 + w % 260, 1 + h % 260);
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let channels = if is_4 { 4 } else { 3 };
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let mut vec = vec![
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b'q',
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b'o',
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b'i',
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b'f',
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0,
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0,
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(w >> 8) as u8,
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(w & 0xff) as u8,
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0,
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0,
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(h >> 8) as u8,
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(h & 0xff) as u8,
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channels,
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0,
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];
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vec.extend(&*data);
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vec.extend(&[0, 0, 0, 0, 0, 0, 0, 1]);
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let header_expected = Header {
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width: w as u32,
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height: h as u32,
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channels: Channels::try_from(channels).unwrap(),
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colorspace: ColorSpace::try_from(0).unwrap(),
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};
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assert_eq!(decode_header(&vec).unwrap(), header_expected);
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if let Ok((header, out)) = decode_to_vec(&vec) {
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assert_eq!(header, header_expected);
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assert_eq!(out.len(), header.n_bytes());
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}
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});
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