json-archive/fuzz/fuzz_targets/fuzz_random_bytes.rs

#![no_main]

use libfuzzer_sys::fuzz_target;
use json_archive::{read_archive, ReadMode};
use std::io::{BufReader, Write};
use tempfile::NamedTempFile;

fuzz_target!(|data: &[u8]| {
    // Write the random bytes to a temporary file
    if let Ok(mut temp_file) = NamedTempFile::new() {
        if temp_file.write_all(data).is_ok() {
            // Try to read the file with both validation modes
            for mode in [ReadMode::FullValidation, ReadMode::AppendSeek] {
                if let Ok(file) = std::fs::File::open(temp_file.path()) {
                    let reader = BufReader::new(file);
                    // The read operation should never panic, regardless of input
                    // It should either succeed or return an error gracefully
                    let _ = read_archive(reader, &temp_file.path().display().to_string(), mode);
                }
            }
        }
    }
});