Add fuzzing (#15)

Cargo.toml

@@ -8,6 +8,7 @@ members = [
     "bench",
     "bench/tools/gen_large_yaml",
     "bench/tools/bench_compare",
+    "fuzz",
 ]
 resolver = "2"
 

fuzz/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "saphyr-fuzz"
+version = "0.0.0"
+publish = false
+edition = "2021"
+
+[package.metadata]
+cargo-fuzz = true
+
+[dependencies]
+libfuzzer-sys = "0.4"
+saphyr.workspace = true
+
+[[bin]]
+name = "parse"
+path = "fuzz_targets/parse.rs"
+test = false
+doc = false
+bench = false

fuzz/fuzz_targets/parse.rs

@@ -0,0 +1,9 @@
+#![no_main]
+
+use libfuzzer_sys::fuzz_target;
+
+fuzz_target!(|data: &[u8]| {
+    if let Ok(s) = std::str::from_utf8(data) {
+        let _ = saphyr::Yaml::load_from_str(s);
+    }
+});