diff -r 000000000000 -r 6474c204b198 dom/bindings/test/TestJSImplInheritanceGen.webidl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/bindings/test/TestJSImplInheritanceGen.webidl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,29 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ */
+
+[Constructor, JSImplementation="@mozilla.org/test-js-impl-interface2;1"]
+interface TestJSImplInterface2 :  TestCImplementedInterface {
+};
+
+[Constructor, JSImplementation="@mozilla.org/test-js-impl-interface3;1"]
+interface TestJSImplInterface3 : TestCImplementedInterface2 {
+};
+
+// Important: TestJSImplInterface5 needs to come before TestJSImplInterface6 in
+// this file to test what it's trying to test.
+[Constructor, JSImplementation="@mozilla.org/test-js-impl-interface5;1"]
+interface TestJSImplInterface5 : TestJSImplInterface6 {
+};
+
+// Important: TestJSImplInterface6 needs to come after TestJSImplInterface3 in
+// this file to test what it's trying to test.
+[Constructor, JSImplementation="@mozilla.org/test-js-impl-interface6;1"]
+interface TestJSImplInterface6 : TestJSImplInterface3 {
+};
+
+[Constructor, JSImplementation="@mozilla.org/test-js-impl-interface4;1"]
+interface TestJSImplInterface4 : EventTarget {
+};