Thread fuzz test cases

[rust-lightning] / fuzz / src / bin / peer_crypt_target.rs

diff --git a/fuzz/src/bin/peer_crypt_target.rs b/fuzz/src/bin/peer_crypt_target.rs
index b32854f051e25ddab9e88aa267d35353c4c65533..f68eaf1b28b004a1371517b64c8b49954aabb884 100644 (file)
--- a/fuzz/src/bin/peer_crypt_target.rs
+++ b/fuzz/src/bin/peer_crypt_target.rs
@@ -45,15 +45,48 @@ fn main() {
 
 #[test]
 fn run_test_cases() {
-       let mut data: Vec<u8> = vec![0];
-       peer_crypt_run(data.as_ptr(), data.len());
+       use lightning_fuzz::utils::test_logger::StringBuffer;
+
+       use std::sync::{atomic, Arc};
+       {
+               let data: Vec<u8> = vec![0];
+               peer_crypt_run(data.as_ptr(), data.len());
+       }
+       let mut threads = Vec::new();
+       let threads_running = Arc::new(atomic::AtomicUsize::new(0));
        if let Ok(tests) = fs::read_dir("test_cases/peer_crypt") {
                for test in tests {
-                       data.clear();
+                       let mut data: Vec<u8> = Vec::new();
                        let path = test.unwrap().path();
-                       println!("Running test {}...", path.file_name().unwrap().to_str().unwrap());
-                       fs::File::open(path).unwrap().read_to_end(&mut data).unwrap();
-                       peer_crypt_run(data.as_ptr(), data.len());
+                       fs::File::open(&path).unwrap().read_to_end(&mut data).unwrap();
+                       threads_running.fetch_add(1, atomic::Ordering::AcqRel);
+
+                       let thread_count_ref = Arc::clone(&threads_running);
+                       let main_thread_ref = std::thread::current();
+                       threads.push((path.file_name().unwrap().to_str().unwrap().to_string(),
+                               std::thread::spawn(move || {
+                                       let string_logger = StringBuffer::new();
+
+                                       let panic_logger = string_logger.clone();
+                                       let res = if ::std::panic::catch_unwind(move || {
+                                               peer_crypt_test(&data, panic_logger);
+                                       }).is_err() {
+                                               Some(string_logger.into_string())
+                                       } else { None };
+                                       thread_count_ref.fetch_sub(1, atomic::Ordering::AcqRel);
+                                       main_thread_ref.unpark();
+                                       res
+                               })
+                       ));
+                       while threads_running.load(atomic::Ordering::Acquire) > 32 {
+                               std::thread::park();
+                       }
+               }
+       }
+       for (test, thread) in threads.drain(..) {
+               if let Some(output) = thread.join().unwrap() {
+                       println!("Output of {}:\n{}", test, output);
+                       panic!();
                }
        }
 }