Merge pull request #809 from silvergasp/fuzz-serde

fuzz: Fuzz more of the serde API

fuzz/fuzz_targets/ast.rs

@@ -4,7 +4,7 @@ use rhai::{Engine, OptimizationLevel};
 use anyhow::Result;
 use arbitrary::Arbitrary;
 use libfuzzer_sys::fuzz_target;
-use std::{hint::black_box};
+use std::hint::black_box;
 
 #[derive(Debug, Clone, Arbitrary)]
 struct Ctx<'a> {
@@ -39,6 +39,7 @@ fn fuzz(ctx: Ctx) -> Result<()> {
     _ = black_box(ast.iter_functions().count());
     _ = black_box(ast.iter_literal_variables(true, true).count());
     _ = black_box(ast.walk(&mut |_| true));
+    _ = black_box(engine.gen_metadata_to_json(&ast, true));
 
     let mut function_only_ast = ast.clone_functions_only();
     assert!(function_only_ast.clear_functions().iter_functions().count() == 0);

fuzz/fuzz_targets/fuzz_serde.rs

@@ -9,30 +9,55 @@ use rhai::{
 };
 use serde::{Deserialize, Serialize};
 
+enum Enum {
+    Normal,
+    Newtype(u8),
+    StructType { _x: u8, _y: u8 },
+}
+
 #[derive(Arbitrary, Debug, Clone, PartialEq, Serialize, Deserialize)]
 struct SubStruct {
     _x: f64,
 }
 
+#[derive(Arbitrary, Debug, Clone, PartialEq, Serialize, Deserialize)]
+struct NewType(u8);
+
+#[derive(Arbitrary, Debug, Clone, PartialEq, Serialize, Deserialize)]
+struct Tuple(u8, u8);
+
 #[derive(Arbitrary, Debug, Clone, PartialEq, Serialize, Deserialize)]
 struct AllTypes {
     _bool: bool,
     _str: String,
-    _bool_vec: Vec<bool>,
+    _char: char,
+
     _i8: i8,
     _i16: i16,
     _i32: i32,
     _i64: i64,
+    _i128: i128,
 
     _u8: u8,
     _u16: u16,
     _u32: u32,
     _u64: u64,
+    _u128: u128,
+
+    _f32: f32,
+    _f64: f64,
 
     _unit: (),
     _tuple: (u8, u8),
 
+    _bytes: Vec<u8>,
+    _bool_vec: Vec<bool>,
+    _option: Option<u8>,
+
     _struct: SubStruct,
+    _new_type: NewType,
+    _tuple: Tuple,
+    _enum: Enum,
 }
 
 #[derive(Debug, Clone, Arbitrary)]