RGBCube/uutils-coreutils
1
Fork 0
mirror of https://github.com/RGBCube/uutils-coreutils synced 2025-07-28 03:27:44 +00:00
Code Issues Activity

fuzzing: provide a better error management

Browse source
This commit is contained in:
Sylvestre Ledru 2023-11-09 00:04:14 +01:00
parent 8ab20c4673
commit 104e707b07
3 changed files with 89 additions and 88 deletions
Download patch file Download diff file Expand all files Collapse all files

54
fuzz/fuzz_targets/fuzz_test.rs
View file

@ -13,7 +13,7 @@ use rand::Rng;
use std::ffi::OsString;
mod fuzz_common;
use crate::fuzz_common::{generate_and_run_uumain, run_gnu_cmd};
use crate::fuzz_common::{compare_result, generate_and_run_uumain, run_gnu_cmd};
#[derive(PartialEq, Debug, Clone)]
enum ArgType {
@ -204,44 +204,20 @@ fuzz_target!(|_data: &[u8]| {
args.push(OsString::from(generate_test_arg()));
}
let (rust_stdout, rust_stderr, uumain_exit_status) = generate_and_run_uumain(&args, uumain);
let (rust_stdout, rust_stderr, uumain_exit_code) = generate_and_run_uumain(&args, uumain);
// Run GNU test with the provided arguments and compare the output
match run_gnu_cmd(CMD_PATH, &args[1..], false) {
Ok((gnu_stdout, gnu_stderr, gnu_exit_status)) => {
let gnu_stdout = gnu_stdout.trim().to_owned();
println!("gnu_exit_status {}", gnu_exit_status);
println!("uumain_exit_status {}", uumain_exit_status);
if rust_stdout != gnu_stdout || uumain_exit_status != gnu_exit_status {
println!("Discrepancy detected!");
println!("Test: {:?}", &args[1..]);
println!("Rust output: {}", rust_stdout);
println!("GNU output: {}", gnu_stdout);
let (gnu_stdout, gnu_stderr, gnu_exit_code) =
run_gnu_cmd(CMD_PATH, &args[1..], false).unwrap_or_else(|e| e);
println!("Rust stderr: {}", rust_stderr);
println!("GNU stderr: {}", gnu_stderr);
println!("My exit status: {}", uumain_exit_status);
println!("GNU exit status: {}", gnu_exit_status);
panic!();
} else {
println!(
"Outputs and exit statuses matched for expression {:?}",
&args[1..]
);
}
}
Err((_gnu_stdout, gnu_stderr, _gnu_exit_code)) => {
if rust_stderr == gnu_stderr {
println!(
"GNU execution failed for input: {:?} stderr: {}",
args, rust_stderr
);
} else {
println!("Input: {:?}", args);
println!("Rust stderr: {}", rust_stderr);
println!("GNU stderr: {}", gnu_stderr);
panic!("Different stderr between Rust & GNU");
}
}
}
compare_result(
"test",
&format!("{:?}", &args[1..]),
&rust_stdout,
&gnu_stdout,
&rust_stderr,
&gnu_stderr,
uumain_exit_code,
gnu_exit_code,
false, // Set to true if you want to fail on stderr diff
);
});