1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testIteratorObject.cpp b/js/src/jsapi-tests/testIteratorObject.cpp
new file mode 100644
index 0000000000..71ac16dabb
--- /dev/null
+++ b/js/src/jsapi-tests/testIteratorObject.cpp
@@ -0,0 +1,34 @@
+/* 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/. */
+
+#include "js/Class.h"       // js::ESClass
+#include "js/Object.h"      // JS::GetBuiltinClass
+#include "js/RootingAPI.h"  // JS::Rooted
+#include "js/Value.h"       // JS::Value
+#include "jsapi-tests/tests.h"
+
+BEGIN_TEST(testIteratorObject) {
+  using js::ESClass;
+
+  JS::Rooted<JS::Value> result(cx);
+
+  EVAL("new Map([['key1', 'value1'], ['key2', 'value2']]).entries()", &result);
+
+  CHECK(result.isObject());
+  JS::Rooted<JSObject*> obj1(cx, &result.toObject());
+  ESClass class1 = ESClass::Other;
+  CHECK(JS::GetBuiltinClass(cx, obj1, &class1));
+  CHECK(class1 == ESClass::MapIterator);
+
+  EVAL("new Set(['value1', 'value2']).entries()", &result);
+
+  CHECK(result.isObject());
+  JS::Rooted<JSObject*> obj2(cx, &result.toObject());
+  ESClass class2 = ESClass::Other;
+  CHECK(JS::GetBuiltinClass(cx, obj2, &class2));
+  CHECK(class2 == ESClass::SetIterator);
+
+  return true;
+}
+END_TEST(testIteratorObject)