1 files changed, 70 insertions, 0 deletions
diff --git a/js/rust/tests/enumerate.rs b/js/rust/tests/enumerate.rs
new file mode 100644
index 0000000000..a1c8a6735d
--- /dev/null
+++ b/js/rust/tests/enumerate.rs
@@ -0,0 +1,70 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#[macro_use]
+extern crate js;
+
+use js::glue::RUST_JSID_IS_STRING;
+use js::glue::RUST_JSID_TO_STRING;
+use js::jsapi::root::js::GetPropertyKeys;
+use js::jsapi::root::JS_NewGlobalObject;
+use js::jsapi::root::JS_StringEqualsAscii;
+use js::jsapi::root::JS::OnNewGlobalHookOption;
+use js::jsapi::root::JS::RealmOptions;
+use js::jsapi::root::JSITER_OWNONLY;
+use js::jsval::UndefinedValue;
+use js::rust::RootedIdVectorWrapper;
+use js::rust::Runtime;
+use js::rust::SIMPLE_GLOBAL_CLASS;
+use std::ptr;
+
+#[test]
+fn enumerate() {
+    let rt = Runtime::new(false).unwrap();
+    let cx = rt.cx();
+
+    unsafe {
+        rooted!(in(cx) let global =
+            JS_NewGlobalObject(cx, &SIMPLE_GLOBAL_CLASS, ptr::null_mut(),
+                               OnNewGlobalHookOption::FireOnNewGlobalHook,
+                               &RealmOptions::default())
+        );
+
+        rooted!(in(cx) let mut rval = UndefinedValue());
+        assert!(rt
+            .evaluate_script(
+                global.handle(),
+                "({ 'a': 7 })",
+                "test",
+                1,
+                rval.handle_mut()
+            )
+            .is_ok());
+        assert!(rval.is_object());
+
+        rooted!(in(cx) let object = rval.to_object());
+        let ids = RootedIdVectorWrapper::new(cx);
+        assert!(GetPropertyKeys(
+            cx,
+            object.handle(),
+            JSITER_OWNONLY,
+            ids.handle_mut()
+        ));
+
+        assert_eq!(ids.len(), 1);
+        rooted!(in(cx) let id = ids[0]);
+
+        assert!(RUST_JSID_IS_STRING(id.handle()));
+        rooted!(in(cx) let id = RUST_JSID_TO_STRING(id.handle()));
+
+        let mut matches = false;
+        assert!(JS_StringEqualsAscii(
+            cx,
+            id.get(),
+            b"a\0" as *const _ as *const _,
+            &mut matches
+        ));
+        assert!(matches);
+    }
+}