test/script/basic/NASHORN-428.js

changeset 0
b1a7da25b547
child 952
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equal deleted inserted replaced
-1:000000000000 0:b1a7da25b547
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-428 : Redefining a non-configurable property with the "same value" is permitted, but -0.0 and +0.0 are not "same value"
26 *
27 * @test
28 * @run
29 */
30
31 var obj = {};
32
33 Object.defineProperty(obj, "0", {
34 value: -0,
35 configurable: false
36 });
37
38 try {
39 Object.defineProperties(obj, {
40 "0": { value: +0 }
41 });
42 fail("#1 expected TypeError");
43 } catch (e) {
44 if (! (e instanceof TypeError)) {
45 fail("#2 expected TypeError, got " + e);
46 }
47 }
48
49 // -0 should be fine.. should not throw any TypeError
50 Object.defineProperties(obj, {
51 "0": { value: -0 }
52 });
53

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