builtinchain.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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 */
23
24/**
25 * Check important prototype chain properties of Function and Object.
26 *
27 * @test
28 * @run
29 */
30
31print(typeof(Object) == 'function');
32print(typeof(Object.prototype) == 'object');
33print(typeof(Function) == 'function');
34// Function's prototype is a function!
35print(typeof(Function.prototype) == 'function');
36
37print(Function.constructor === Function);
38print(Function.prototype === Object.getPrototypeOf(Function));
39print(Object.getPrototypeOf(Function.prototype) === Object.prototype);
40
41print(Object.constructor === Function);
42print(Object.getPrototypeOf(Object.prototype) === null);
43print(Object.getPrototypeOf(Object) === Function.prototype);
44
45// check one function from Function.prototype
46var applyFunc = Function.prototype.apply;
47print(applyFunc.constructor === Function);
48print(Object.getPrototypeOf(applyFunc) === Function.prototype);
49print(applyFunc.prototype === undefined);
50
51// check one function from Object.prototype
52var toStringFunc = Object.prototype.toString;
53print(toStringFunc.constructor === Function);
54print(Object.getPrototypeOf(toStringFunc) === Function.prototype);
55print(toStringFunc.prototype === undefined);
56