diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_2/extensions/constructor-001.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_2/extensions/constructor-001.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; 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/. */
+
+
+/**
+ *  File Name:          RegExp/constructor-001.js
+ *  ECMA Section:       15.7.3.3
+ *  Description:        Based on ECMA 2 Draft 7 February 1999
+ *
+ *  Author:             christine@netscape.com
+ *  Date:               19 February 1999
+ */
+var SECTION = "RegExp/constructor-001";
+var VERSION = "ECMA_2";
+var TITLE   = "new RegExp()";
+
+startTest();
+
+/*
+ * for each test case, verify:
+ * - verify that [[Class]] property is RegExp
+ * - prototype property should be set to RegExp.prototype
+ * - source is set to the empty string
+ * - global property is set to false
+ * - ignoreCase property is set to false
+ * - multiline property is set to false
+ * - lastIndex property is set to 0
+ */
+
+RegExp.prototype.getClassProperty = Object.prototype.toString;
+var re = new RegExp();
+
+AddTestCase(
+  "new RegExp().__proto__",
+  RegExp.prototype,
+  re.__proto__
+  );
+
+test()