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diff --git a/js/src/tests/js1_3/extensions/proto_2.js b/js/src/tests/js1_3/extensions/proto_2.js
new file mode 100644
index 000000000..7a0446f1e
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+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 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:          proto_2.js
+   Section:
+   Description:        new PrototypeObject
+
+   This tests Object Hierarchy and Inheritance, as described in the document
+   Object Hierarchy and Inheritance in JavaScript, last modified on 12/18/97
+   15:19:34 on http://devedge.netscape.com/.  Current URL:
+   http://devedge.netscape.com/docs/manuals/communicator/jsobj/contents.htm
+
+   This tests the syntax ObjectName.prototype = new PrototypeObject using the
+   Employee example in the document referenced above.
+
+   Author:             christine@netscape.com
+   Date:               12 november 1997
+*/
+
+var SECTION = "proto_2";
+var VERSION = "JS1_3";
+var TITLE   = "new PrototypeObject";
+
+startTest();
+writeHeaderToLog( SECTION + " "+ TITLE);
+
+function Employee () {
+  this.name = "";
+  this.dept = "general";
+}
+function Manager () {
+  this.reports = [];
+}
+Manager.prototype = new Employee();
+
+function WorkerBee () {
+  this.projects = new Array();
+}
+
+WorkerBee.prototype = new Employee;
+
+function SalesPerson () {
+  this.dept = "sales";
+  this.quota = 100;
+}
+SalesPerson.prototype = new WorkerBee;
+
+function Engineer () {
+  this.dept = "engineering";
+  this.machine = "";
+}
+Engineer.prototype = new WorkerBee;
+
+
+var employee    = new Employee();
+var manager     = new Manager();
+var workerbee   = new WorkerBee();
+var salesperson = new SalesPerson();
+var engineer    = new Engineer();
+
+new TestCase( SECTION,
+	      "employee.__proto__ == Employee.prototype",
+	      true,
+	      employee.__proto__ == Employee.prototype );
+
+new TestCase( SECTION,
+	      "manager.__proto__ == Manager.prototype",
+	      true,
+	      manager.__proto__ == Manager.prototype );
+
+new TestCase( SECTION,
+	      "workerbee.__proto__ == WorkerBee.prototype",
+	      true,
+	      workerbee.__proto__ == WorkerBee.prototype );
+
+new TestCase( SECTION,
+	      "salesperson.__proto__ == SalesPerson.prototype",
+	      true,
+	      salesperson.__proto__ == SalesPerson.prototype );
+
+new TestCase( SECTION,
+	      "engineer.__proto__ == Engineer.prototype",
+	      true,
+	      engineer.__proto__ == Engineer.prototype );
+
+test();
+