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 

    32 function MyCons() {

    33     this.foo = "hello";

    34 }

    35 

    36 MyCons.prototype.func = function() { print("func " + this); }

    37 MyCons.prototype.num = 1729;

    38 

    39 var myObj = new MyCons();

    40 print("foo? " + ("foo" in myObj));

    41 print("func? " + ("func" in myObj));

    42 print("num? " + ("num" in myObj));

    43 // From Object.prototype

    44 print("toString?" + ("toString" in myObj));

    45 

    46 MyCons.prototype.sun = "a star";

    47 MyCons.prototype.earth = "a planet";

    48 

    49 print("foo? " + ("foo" in myObj));

    50 print("func? " + ("func" in myObj));

    51 print("num? " + ("num" in myObj));

    52 print("sun? " + ("sun" in myObj));

    53 print("earth? " + ("earth" in myObj));

    54 print("toString? " + ("toString" in myObj));