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// This file is part of the uutils coreutils package.
//
// For the full copyright and license information, please view the LICENSE
// file that was distributed with this source code.
#![no_main]
use libfuzzer_sys::fuzz_target;
use std::ffi::OsString;
use uu_tr::uumain;
use rand::Rng;
use uufuzz::{
CommandResult, compare_result, generate_and_run_uumain, generate_random_string, run_gnu_cmd,
};
static CMD_PATH: &str = "tr";
fn generate_tr_args() -> Vec<String> {
let mut rng = rand::rng();
let mut args = Vec::new();
// Translate, squeeze, and/or delete characters
let opts = ["-c", "-d", "-s", "-t"];
for opt in &opts {
if rng.random_bool(0.25) {
args.push(opt.to_string());
}
}
// Generating STRING1 and optionally STRING2
let string1 = generate_random_string(rng.random_range(1..=20));
args.push(string1);
if rng.random_bool(0.7) {
// Higher chance to add STRING2 for translation
let string2 = generate_random_string(rng.random_range(1..=20));
args.push(string2);
}
args
}
fuzz_target!(|_data: &[u8]| {
let tr_args = generate_tr_args();
let mut args = vec![OsString::from("tr")];
args.extend(tr_args.iter().map(OsString::from));
let input_chars = generate_random_string(100);
let rust_result = generate_and_run_uumain(&args, uumain, Some(&input_chars));
let gnu_result = match run_gnu_cmd(CMD_PATH, &args[1..], false, Some(&input_chars)) {
Ok(result) => result,
Err(error_result) => {
eprintln!("Failed to run GNU command:");
eprintln!("Stderr: {}", error_result.stderr);
eprintln!("Exit Code: {}", error_result.exit_code);
CommandResult {
stdout: String::new(),
stderr: error_result.stderr,
exit_code: error_result.exit_code,
}
}
};
compare_result(
"tr",
&format!("{:?}", &args[1..]),
Some(&input_chars),
&rust_result,
&gnu_result,
false,
);
});
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