test/script/basic/NASHORN-462.js

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1 /*
2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /**
25 * NASHORN-462 : inherited non-writable properties cannot be overriden.
26 *
27 * @test
28 * @run
29 */
30
31 function Foo() {};
32 Object.defineProperty(Foo.prototype, "bar", { value: 19 });
33
34 var fooObj = new Foo();
35 fooObj.bar = "overridden";
36 if (fooObj.hasOwnProperty("bar")) {
37 fail("inherited non-writable property can be overridden");
38 }
39
40 if (fooObj.bar !== 19) {
41 fail("inherited non-writable property value changed");
42 }
43

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