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https://github.com/uutils/coreutils
synced 2024-10-15 12:24:09 +00:00
fuzz: Move a duplicate function into fuzz_common
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@ -4,6 +4,8 @@
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// file that was distributed with this source code.
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use libc::{close, dup, dup2, pipe, STDERR_FILENO, STDOUT_FILENO};
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use rand::prelude::SliceRandom;
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use rand::Rng;
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use std::ffi::OsString;
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use std::io;
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use std::io::Write;
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@ -272,3 +274,26 @@ pub fn compare_result(
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}
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}
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}
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pub 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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@ -14,32 +14,11 @@ use std::{env, ffi::OsString};
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mod fuzz_common;
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use crate::fuzz_common::CommandResult;
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use crate::fuzz_common::{compare_result, generate_and_run_uumain, run_gnu_cmd};
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use crate::fuzz_common::{
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compare_result, generate_and_run_uumain, generate_random_string, run_gnu_cmd,
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};
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static CMD_PATH: &str = "expr";
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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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fn generate_expr(max_depth: u32) -> String {
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let mut rng = rand::thread_rng();
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let ops = ["+", "-", "*", "/", "%", "<", ">", "=", "&", "|"];
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@ -14,7 +14,9 @@ use std::ffi::OsString;
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mod fuzz_common;
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use crate::fuzz_common::CommandResult;
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use crate::fuzz_common::{compare_result, generate_and_run_uumain, run_gnu_cmd};
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use crate::fuzz_common::{
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compare_result, generate_and_run_uumain, generate_random_string, run_gnu_cmd,
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};
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#[derive(PartialEq, Debug, Clone)]
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enum ArgType {
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@ -29,29 +31,6 @@ enum ArgType {
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static CMD_PATH: &str = "test";
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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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