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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.
// spell-checker:ignore parens
#![no_main]
use libfuzzer_sys::fuzz_target;
use uu_seq::uumain;
use rand::Rng;
use std::ffi::OsString;
use uufuzz::CommandResult;
use uufuzz::{compare_result, generate_and_run_uumain, generate_random_string, run_gnu_cmd};
static CMD_PATH: &str = "seq";
fn generate_seq() -> String {
let mut rng = rand::rng();
// Generate 1 to 3 numbers for seq arguments
let arg_count = rng.random_range(1..=3);
let mut args = Vec::new();
for _ in 0..arg_count {
if rng.random_ratio(1, 100) {
// 1% chance to add a random string
args.push(generate_random_string(rng.random_range(1..=10)));
} else {
// 99% chance to add a numeric value
match rng.random_range(0..=3) {
0 => args.push(rng.random_range(-10000..=10000).to_string()), // Large or small integers
1 => args.push(rng.random_range(-100.0..100.0).to_string()), // Floating-point numbers
2 => args.push(rng.random_range(-100..0).to_string()), // Negative integers
_ => args.push(rng.random_range(1..=100).to_string()), // Regular integers
}
}
}
args.join(" ")
}
fuzz_target!(|_data: &[u8]| {
let seq = generate_seq();
let mut args = vec![OsString::from("seq")];
args.extend(seq.split_whitespace().map(OsString::from));
let rust_result = generate_and_run_uumain(&args, uumain, None);
let gnu_result = match run_gnu_cmd(CMD_PATH, &args[1..], false, None) {
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(
"seq",
&format!("{:?}", &args[1..]),
None,
&rust_result,
&gnu_result,
false, // Set to true if you want to fail on stderr diff
);
});
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