diff --git a/src/engine.rs b/src/engine.rs
index dda4685f..23912b62 100644
--- a/src/engine.rs
+++ b/src/engine.rs
@@ -263,6 +263,34 @@ mod tests {
         assert_eq!(function_run_result.unwrap().memory_usage, 1280);
     }
 
+    #[test]
+    fn test_js_v2_function() {
+        let input = include_bytes!("../tests/fixtures/input/js_function_input.json").to_vec();
+        let function_run_result = run(FunctionRunParams {
+            function_path: Path::new("tests/fixtures/build/js_function_v2.wasm").to_path_buf(),
+            input,
+            export: DEFAULT_EXPORT,
+            ..Default::default()
+        });
+
+        assert!(function_run_result.is_ok());
+        assert_eq!(function_run_result.unwrap().memory_usage, 1344);
+    }
+
+    #[test]
+    fn test_js_v3_function() {
+        let input = include_bytes!("../tests/fixtures/input/js_function_input.json").to_vec();
+        let function_run_result = run(FunctionRunParams {
+            function_path: Path::new("tests/fixtures/build/js_function_v3.wasm").to_path_buf(),
+            input,
+            export: DEFAULT_EXPORT,
+            ..Default::default()
+        });
+
+        assert!(function_run_result.is_ok());
+        assert_eq!(function_run_result.unwrap().memory_usage, 1344);
+    }
+
     #[test]
     fn test_exit_code_zero() {
         let function_run_result = run(FunctionRunParams {
diff --git a/tests/fixtures/README.md b/tests/fixtures/README.md
index ca5a5dea..1001570e 100644
--- a/tests/fixtures/README.md
+++ b/tests/fixtures/README.md
@@ -15,6 +15,18 @@ cargo wasi build --profile=wasm -p exit_code -p exports -p log_truncation_functi
   cp target/wasm32-wasi/wasm/{exit_code.wasm,exports.wasm,log_truncation_function.wasm} tests/fixtures/build
 ```
 
+**JS examples:**
+
+js_function_v2.wasm:
+```
+javy compile -d -o tests/fixtures/build/js_function_v2.wasm tests/fixtures/js_function/src/functions.js
+```
+
+js_function_v3.wasm:
+```
+javy build -C dynamic -C plugin=providers/javy_quickjs_provider_v3.wasm -o tests/fixtures/build/js_function_v3.wasm tests/fixtures/js_function/src/functions.js
+```
+
 **`*.wat` examples:**
 ```
 find tests/fixtures -maxdepth 1 -type f -name "*.wat" \
diff --git a/tests/fixtures/build/js_function_v2.wasm b/tests/fixtures/build/js_function_v2.wasm
new file mode 100644
index 00000000..048b7299
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diff --git a/tests/fixtures/build/js_function_v3.wasm b/tests/fixtures/build/js_function_v3.wasm
new file mode 100644
index 00000000..76128f29
Binary files /dev/null and b/tests/fixtures/build/js_function_v3.wasm differ