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fuzz: Move a duplicate function into fuzz_common

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This commit is contained in:
Sylvestre Ledru 2023-11-12 10:25:55 +01:00
parent 5f9f610e3d
commit fddf301a52
3 changed files with 31 additions and 48 deletions
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27
fuzz/fuzz_targets/fuzz_expr.rs
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@ -14,32 +14,11 @@ use std::{env, ffi::OsString};
mod fuzz_common;
use crate::fuzz_common::CommandResult;
use crate::fuzz_common::{compare_result, generate_and_run_uumain, run_gnu_cmd};
use crate::fuzz_common::{
compare_result, generate_and_run_uumain, generate_random_string, run_gnu_cmd,
};
static CMD_PATH: &str = "expr";
fn generate_random_string(max_length: usize) -> String {
let mut rng = rand::thread_rng();
let valid_utf8: Vec<char> = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
.chars()
.collect();
let invalid_utf8 = [0xC3, 0x28]; // Invalid UTF-8 sequence
let mut result = String::new();
for _ in 0..rng.gen_range(1..=max_length) {
if rng.gen_bool(0.9) {
let ch = valid_utf8.choose(&mut rng).unwrap();
result.push(*ch);
} else {
let ch = invalid_utf8.choose(&mut rng).unwrap();
if let Some(c) = char::from_u32(*ch as u32) {
result.push(c);
}
}
}
result
}
fn generate_expr(max_depth: u32) -> String {
let mut rng = rand::thread_rng();
let ops = ["+", "-", "*", "/", "%", "<", ">", "=", "&", "|"];