avif-rs 26.6.0

Encode AVIF images with SVT-AV1 and decode with dav1d, via statically-linked libavif.
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//! Error-path integration tests: malformed input and buffer mismatches must return
//! `Err` rather than panic.

mod common;

use common::AVIF;

use avif::AvifEncoder;
use image::{ExtendedColorType, ImageEncoder};

#[test]
fn encode_rejects_wrong_length_buffer() {
    // A 1x1 RGBA image needs 4 bytes; hand it 3 so the length check fires.
    let mut out = Vec::new();
    let encoder = AvifEncoder::new(&mut out);
    let result = encoder.write_image(&[0, 0, 0], 1, 1, ExtendedColorType::Rgba8);
    assert!(result.is_err(), "wrong-length buffer should be rejected");
}

#[test]
fn encode_rejects_zero_dimensions() {
    let mut out = Vec::new();
    let encoder = AvifEncoder::new(&mut out);
    let result = encoder.write_image(&[], 0, 0, ExtendedColorType::Rgb8);
    assert!(result.is_err(), "zero dimensions should be rejected");
}

#[test]
fn decode_rejects_empty_input() {
    assert!(avif::decode(&[]).is_err(), "empty input should not decode");
}

#[test]
fn decode_rejects_garbage_input() {
    assert!(
        avif::decode(b"this is definitely not an avif file").is_err(),
        "non-AVIF bytes should not decode"
    );
}

#[test]
fn probe_rejects_truncated_avif() {
    let bytes = std::fs::read(AVIF).expect("read assets/image.avif");
    let truncated = &bytes[..bytes.len() / 4];
    assert!(avif::probe(truncated).is_err(), "truncated AVIF should fail to probe");
}