incheck.js revision 2: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 that the expression ("property" in obj) works for own property as
26 * well as properties 'inherited' from proto chain.
27 *
28 * @test
29 * @run
30 */
31
32function MyCons() {
33    this.foo = "hello";
34}
35
36MyCons.prototype.func = function() { print("func " + this); }
37MyCons.prototype.num = 1729;
38
39var myObj = new MyCons();
40print("foo? " + ("foo" in myObj));
41print("func? " + ("func" in myObj));
42print("num? " + ("num" in myObj));
43// From Object.prototype
44print("toString?" + ("toString" in myObj));
45
46MyCons.prototype.sun = "a star";
47MyCons.prototype.earth = "a planet";
48
49print("foo? " + ("foo" in myObj));
50print("func? " + ("func" in myObj));
51print("num? " + ("num" in myObj));
52print("sun? " + ("sun" in myObj));
53print("earth? " + ("earth" in myObj));
54print("toString? " + ("toString" in myObj));
55