tlsn-utils/rangeset/fuzz/fuzz_targets/range_diff_range.rs

#![no_main]

use std::ops::Range;

use libfuzzer_sys::fuzz_target;

use rangeset::*;
use rangeset_fuzz::assert_invariants;

fn expected_range_difference(a: Range<u8>, b: Range<u8>) -> Vec<u8> {
    a.filter(|x| !b.contains(x)).collect::<Vec<_>>()
}

fuzz_target!(|r: (Range<u8>, Range<u8>)| {
    let (r1, r2) = r;

    let expected_values = expected_range_difference(r1.clone(), r2.clone());

    let diff = r1.difference(&r2);

    let actual_values = diff.iter().collect::<Vec<_>>();

    assert_eq!(expected_values, actual_values);

    assert_invariants(diff);
});