test/script/basic/objectprops.js

changeset 3
da1e581c933b
child 7
5a1b0714df0e
equal deleted inserted replaced
2:6031a0bc0ae2 3:da1e581c933b
1 /*
2 * Copyright (c) 2010, 2012, 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 * Check Object.defineProperty, Object.defineProperties and Object.create.
26 * FIXME: yet to checks for property attribute create/modifications.
27 *
28 * @test
29 * @run
30 */
31
32 // create an object
33 var obj = {};
34 // data property
35 Object.defineProperty(obj, "foo", { value: "hello" });
36 // accessor property
37 Object.defineProperty(obj, "bar", { get: function() { return "bar" } });
38
39 print("obj.foo = " + obj.foo);
40 print("obj.bar = " + obj.bar);
41
42 // define multiple properties at one go.
43 Object.defineProperties(obj,
44 {
45 xyz: { value: 44 },
46 abc: { get: function() { print("get abc"); return "abc"; } }
47 }
48 );
49
50 print("obj.xyz = " + obj.xyz);
51 print("obj.abc = " + obj.abc);
52
53 function MyConstructor() {}
54 var obj2 = Object.create(MyConstructor.prototype);
55 print("obj2 in MyConstructor instance? " + (obj2 instanceof MyConstructor));
56
57 var obj3 = Object.create(Object.prototype,
58 {
59 xyz: { value: 44 }
60 }
61 );
62
63 print("obj3 is an Object? " + (obj3 instanceof Object));
64 print(obj3.xyz);

mercurial