diff --git a/crates/web-sys/tests/wasm/response.rs b/crates/web-sys/tests/wasm/response.rs
index 40c893f5..5da87aec 100644
--- a/crates/web-sys/tests/wasm/response.rs
+++ b/crates/web-sys/tests/wasm/response.rs
@@ -1,4 +1,12 @@
+extern crate futures;
+extern crate js_sys;
+extern crate wasm_bindgen_futures;
+
+use futures::Future;
+use js_sys::{ArrayBuffer, DataView};
 use wasm_bindgen::prelude::*;
+use wasm_bindgen::JsCast;
+use wasm_bindgen_futures::JsFuture;
 use wasm_bindgen_test::*;
 use web_sys::Response;
 
@@ -8,9 +16,27 @@ extern "C" {
 }
 
 #[wasm_bindgen_test]
-fn test_response() {
+fn test_response_from_js() {
     let response = new_response();
     assert!(!response.ok());
     assert!(!response.redirected());
     assert_eq!(response.status(), 501);
 }
+
+#[wasm_bindgen_test(async)]
+fn test_response_from_bytes() -> impl Future<Item = (), Error = JsValue> {
+    let mut bytes: [u8; 3] = [1, 3, 5];
+    let response = Response::new_with_opt_u8_array(Some(&mut bytes)).unwrap();
+    assert!(response.ok());
+    assert_eq!(response.status(), 200);
+
+    let buf_promise = response.array_buffer().unwrap();
+    JsFuture::from(buf_promise).map(move |buf_val| {
+        assert!(buf_val.is_instance_of::<ArrayBuffer>());
+        let array_buf: ArrayBuffer = buf_val.dyn_into().unwrap();
+        let data_view = DataView::new(&array_buf, 0, bytes.len());
+        for (i, byte) in bytes.iter().enumerate() {
+            assert_eq!(&data_view.get_uint8(i), byte);
+        }
+    })
+}