2023-08-21 05:34:45 +00:00
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// This file is part of the uutils coreutils package.
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//
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// For the full copyright and license information, please view the LICENSE
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// file that was distributed with this source code.
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// spell-checker:ignore STRINGSTRING INTEGERINTEGER FILEFILE
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#![no_main]
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use libfuzzer_sys::fuzz_target;
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use uu_test::uumain;
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use rand::seq::SliceRandom;
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use rand::Rng;
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use std::ffi::OsString;
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2023-09-28 06:42:30 +00:00
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mod fuzz_common;
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2023-11-10 15:01:38 +00:00
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use crate::fuzz_common::CommandResult;
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2023-11-08 23:04:14 +00:00
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use crate::fuzz_common::{compare_result, generate_and_run_uumain, run_gnu_cmd};
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2023-09-28 06:42:30 +00:00
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2023-08-21 05:34:45 +00:00
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#[derive(PartialEq, Debug, Clone)]
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enum ArgType {
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STRING,
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STRINGSTRING,
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INTEGER,
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INTEGERINTEGER,
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FILE,
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FILEFILE,
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// Add any other types as needed
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}
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2023-09-28 13:36:06 +00:00
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static CMD_PATH: &str = "test";
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2023-09-28 06:42:30 +00:00
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2023-08-21 05:34:45 +00:00
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fn generate_random_string(max_length: usize) -> String {
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let mut rng = rand::thread_rng();
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let valid_utf8: Vec<char> = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
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.chars()
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.collect();
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let invalid_utf8 = [0xC3, 0x28]; // Invalid UTF-8 sequence
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let mut result = String::new();
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for _ in 0..rng.gen_range(1..=max_length) {
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if rng.gen_bool(0.9) {
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let ch = valid_utf8.choose(&mut rng).unwrap();
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result.push(*ch);
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} else {
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let ch = invalid_utf8.choose(&mut rng).unwrap();
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if let Some(c) = char::from_u32(*ch as u32) {
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result.push(c);
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}
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}
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}
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result
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}
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#[derive(Debug, Clone)]
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struct TestArg {
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arg: String,
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arg_type: ArgType,
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}
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fn generate_random_path(rng: &mut dyn rand::RngCore) -> &'static str {
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match rng.gen_range(0..=3) {
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0 => "/dev/null",
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1 => "/dev/random",
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2 => "/tmp",
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_ => "/dev/urandom",
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}
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}
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fn generate_test_args() -> Vec<TestArg> {
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vec![
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TestArg {
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arg: "-z".to_string(),
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arg_type: ArgType::STRING,
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},
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TestArg {
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arg: "-n".to_string(),
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arg_type: ArgType::STRING,
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},
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TestArg {
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arg: "=".to_string(),
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arg_type: ArgType::STRINGSTRING,
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},
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TestArg {
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arg: "!=".to_string(),
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arg_type: ArgType::STRINGSTRING,
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},
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TestArg {
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arg: "-eq".to_string(),
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arg_type: ArgType::INTEGERINTEGER,
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},
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TestArg {
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arg: "-ne".to_string(),
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arg_type: ArgType::INTEGERINTEGER,
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},
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TestArg {
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arg: "-gt".to_string(),
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arg_type: ArgType::INTEGERINTEGER,
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},
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TestArg {
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arg: "-ge".to_string(),
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arg_type: ArgType::INTEGERINTEGER,
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},
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TestArg {
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arg: "-lt".to_string(),
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arg_type: ArgType::INTEGERINTEGER,
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},
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TestArg {
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arg: "-le".to_string(),
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arg_type: ArgType::INTEGERINTEGER,
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},
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TestArg {
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arg: "-f".to_string(),
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arg_type: ArgType::FILE,
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},
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TestArg {
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arg: "-d".to_string(),
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arg_type: ArgType::FILE,
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},
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TestArg {
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arg: "-e".to_string(),
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arg_type: ArgType::FILE,
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},
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TestArg {
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arg: "-ef".to_string(),
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arg_type: ArgType::FILEFILE,
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},
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TestArg {
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arg: "-nt".to_string(),
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arg_type: ArgType::FILEFILE,
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},
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]
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}
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fn generate_test_arg() -> String {
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let mut rng = rand::thread_rng();
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let test_args = generate_test_args();
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let mut arg = String::new();
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let choice = rng.gen_range(0..=5);
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match choice {
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0 => {
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arg.push_str(&rng.gen_range(-100..=100).to_string());
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}
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2023-09-28 19:52:26 +00:00
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1..=3 => {
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2023-08-21 05:34:45 +00:00
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let test_arg = test_args
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.choose(&mut rng)
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.expect("Failed to choose a random test argument");
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if test_arg.arg_type == ArgType::INTEGER {
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arg.push_str(&format!(
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"{} {} {}",
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&rng.gen_range(-100..=100).to_string(),
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test_arg.arg,
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&rng.gen_range(-100..=100).to_string()
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));
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} else if test_arg.arg_type == ArgType::STRINGSTRING {
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let random_str = generate_random_string(rng.gen_range(1..=10));
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let random_str2 = generate_random_string(rng.gen_range(1..=10));
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arg.push_str(&format!(
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"{} {} {}",
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&random_str, test_arg.arg, &random_str2
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));
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} else if test_arg.arg_type == ArgType::STRING {
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let random_str = generate_random_string(rng.gen_range(1..=10));
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arg.push_str(&format!("{} {}", test_arg.arg, &random_str));
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} else if test_arg.arg_type == ArgType::FILEFILE {
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let path = generate_random_path(&mut rng);
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let path2 = generate_random_path(&mut rng);
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arg.push_str(&format!("{} {} {}", path, test_arg.arg, path2));
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} else if test_arg.arg_type == ArgType::FILE {
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let path = generate_random_path(&mut rng);
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arg.push_str(&format!("{} {}", test_arg.arg, path));
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}
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}
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4 => {
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let random_str = generate_random_string(rng.gen_range(1..=10));
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arg.push_str(&random_str);
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}
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_ => {
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let path = generate_random_path(&mut rng);
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let file_test_args: Vec<TestArg> = test_args
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.iter()
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.filter(|ta| ta.arg_type == ArgType::FILE)
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.cloned()
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.collect();
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if let Some(test_arg) = file_test_args.choose(&mut rng) {
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arg.push_str(&format!("{}{}", test_arg.arg, path));
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}
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}
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}
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arg
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}
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fuzz_target!(|_data: &[u8]| {
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let mut rng = rand::thread_rng();
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let max_args = rng.gen_range(1..=6);
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let mut args = vec![OsString::from("test")];
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for _ in 0..max_args {
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args.push(OsString::from(generate_test_arg()));
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}
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2023-11-10 15:01:38 +00:00
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let rust_result = generate_and_run_uumain(&args, uumain);
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let gnu_result = match run_gnu_cmd(CMD_PATH, &args[1..], false) {
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Ok(result) => result,
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Err(error_result) => {
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eprintln!("Failed to run GNU command:");
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eprintln!("Stderr: {}", error_result.stderr);
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eprintln!("Exit Code: {}", error_result.exit_code);
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CommandResult {
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stdout: String::new(),
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stderr: error_result.stderr,
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exit_code: error_result.exit_code,
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}
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}
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};
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2023-11-08 23:04:14 +00:00
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compare_result(
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"test",
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&format!("{:?}", &args[1..]),
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2023-11-10 15:01:38 +00:00
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&rust_result.stdout,
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&gnu_result.stdout,
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&rust_result.stderr,
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&gnu_result.stderr,
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rust_result.exit_code,
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gnu_result.exit_code,
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2023-11-08 23:04:14 +00:00
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false, // Set to true if you want to fail on stderr diff
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);
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2023-08-21 05:34:45 +00:00
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});
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