1 files changed, 12 insertions, 0 deletions
diff --git a/dom/quota/test/gtest/TestForwardDecls.cpp b/dom/quota/test/gtest/TestForwardDecls.cpp
new file mode 100644
index 0000000000..223f83af03
--- /dev/null
+++ b/dom/quota/test/gtest/TestForwardDecls.cpp
@@ -0,0 +1,12 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 <type_traits>
+#include "mozilla/dom/quota/ForwardDecls.h"
+
+using namespace mozilla;
+
+static_assert(std::is_same_v<OkOrErr, Result<Ok, QMResult>>);