86 lines
2.4 KiB
Rust
86 lines
2.4 KiB
Rust
|
// Copyright 2021, The Android Open Source Project
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
#![allow(missing_docs)]
|
||
|
|
#![no_main]
|
||
|
|
|
||
|
|
use hashlink::LruCache;
|
||
|
|
use libfuzzer_sys::arbitrary::Arbitrary;
|
||
|
|
use libfuzzer_sys::fuzz_target;
|
||
|
|
|
||
|
|
#[derive(Arbitrary, Debug, Eq, Hash, PartialEq)]
|
||
|
|
enum Data {
|
||
|
|
A,
|
||
|
|
B,
|
||
|
|
Int { val: u8 },
|
||
|
|
}
|
||
|
|
|
||
|
|
#[derive(Arbitrary, Debug)]
|
||
|
|
struct LruCacheFuzzInfo {
|
||
|
|
capacity: u8,
|
||
|
|
commands: Vec<LruCacheMethods>,
|
||
|
|
}
|
||
|
|
|
||
|
|
#[derive(Arbitrary, Debug)]
|
||
|
|
enum LruCacheMethods {
|
||
|
|
Insert { key: Data, value: Data },
|
||
|
|
Remove { key: Data },
|
||
|
|
ContainsKey { key: Data },
|
||
|
|
Get { key: Data },
|
||
|
|
EntryOrInsert { key: Data, value: Data },
|
||
|
|
Iter,
|
||
|
|
Drain,
|
||
|
|
Clear,
|
||
|
|
Peek { key: Data },
|
||
|
|
RemoveLru,
|
||
|
|
}
|
||
|
|
|
||
|
|
fuzz_target!(|info: LruCacheFuzzInfo| {
|
||
|
|
let mut cache = LruCache::new(info.capacity.into());
|
||
|
|
for command in info.commands {
|
||
|
|
match command {
|
||
|
|
LruCacheMethods::Insert { key, value } => {
|
||
|
|
cache.insert(key, value);
|
||
|
|
}
|
||
|
|
LruCacheMethods::Remove { key } => {
|
||
|
|
cache.remove(&key);
|
||
|
|
}
|
||
|
|
LruCacheMethods::ContainsKey { key } => {
|
||
|
|
cache.contains_key(&key);
|
||
|
|
}
|
||
|
|
LruCacheMethods::Get { key } => {
|
||
|
|
cache.get(&key);
|
||
|
|
}
|
||
|
|
LruCacheMethods::EntryOrInsert { key, value } => {
|
||
|
|
cache.entry(key).or_insert(value);
|
||
|
|
}
|
||
|
|
LruCacheMethods::Iter => {
|
||
|
|
std::hint::black_box(cache.iter().count());
|
||
|
|
}
|
||
|
|
LruCacheMethods::Drain => {
|
||
|
|
std::hint::black_box(cache.drain().count());
|
||
|
|
}
|
||
|
|
LruCacheMethods::Clear => {
|
||
|
|
cache.clear();
|
||
|
|
}
|
||
|
|
LruCacheMethods::Peek { key } => {
|
||
|
|
cache.peek(&key);
|
||
|
|
}
|
||
|
|
LruCacheMethods::RemoveLru => {
|
||
|
|
cache.remove_lru();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|