pr review

crates/fuzzing/Cargo.toml

@@ -19,3 +19,6 @@ log = "0.4.8"
 wasmparser = "0.42.1"
 wasmprinter = "0.2.0"
 wasmtime-jit = { path = "../jit" }
+
+[dev-dependencies]
+wat = "1.0"

crates/fuzzing/tests/instantiate_empty_module.rs

@@ -1,28 +0,0 @@
-use cranelift_codegen::settings;
-use wasmtime_jit::{CompilationStrategy, Compiler, NullResolver};
-
-#[test]
-fn instantiate_empty_module() {
-    // `(module)`
-    let wasm = vec![0x0, 0x61, 0x73, 0x6d, 0x01, 0x0, 0x0, 0x0];
-    let compilation_strategy = CompilationStrategy::Cranelift;
-
-    let isa = {
-        let flag_builder = settings::builder();
-        let isa_builder =
-            cranelift_native::builder().expect("host machine is not a supported target");
-        isa_builder.finish(settings::Flags::new(flag_builder))
-    };
-
-    let mut compiler = Compiler::new(isa, compilation_strategy);
-    let mut imports_resolver = NullResolver {};
-
-    wasmtime_jit::instantiate(
-        &mut compiler,
-        &wasm,
-        &mut imports_resolver,
-        Default::default(),
-        true,
-    )
-    .expect("failed to instantiate valid Wasm!");
-}

crates/fuzzing/tests/regressions.rs

@@ -7,3 +7,9 @@
 
 #[allow(unused_imports)] // Until we actually have some regression tests...
 use wasmtime_fuzzing::*;
+
+#[test]
+fn instantiate_empty_module() {
+    let data = wat::parse_str(include_str!("./regressions/empty.wat")).unwrap();
+    oracles::instantiate(&data, wasmtime_jit::CompilationStrategy::Auto);
+}

crates/fuzzing/tests/regressions/empty.wat

@@ -0,0 +1 @@
+(module)