1 files changed, 13 insertions, 0 deletions
diff --git a/dom/bindings/mozwebidlcodegen/test/TestEvent.webidl b/dom/bindings/mozwebidlcodegen/test/TestEvent.webidl
new file mode 100644
index 0000000000..0b795a8024
--- /dev/null
+++ b/dom/bindings/mozwebidlcodegen/test/TestEvent.webidl
@@ -0,0 +1,13 @@
+interface EventTarget {
+  undefined addEventListener();
+};
+
+interface Event {};
+
+callback EventHandlerNonNull = any (Event event);
+typedef EventHandlerNonNull? EventHandler;
+
+[LegacyNoInterfaceObject]
+interface TestEvent : EventTarget {
+  attribute EventHandler onfoo;
+};