JDK-8022598.js revision 497:f2e1673db03b 
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
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22 */
23
24/**
25 * JDK-8022598: Object.getPrototypeOf should return null for host objects rather than throwing TypeError
26 *
27 * @test
28 * @run
29 */
30
31// the following should not throw TypeError, just return null instead
32
33var proto = Object.getPrototypeOf(new java.lang.Object());
34if (proto !== null) {
35    fail("Expected 'null' __proto__ for host objects");
36}
37
38// on primitive should result in TypeError
39
40function checkTypeError(obj) {
41    try {
42        Object.getPrototypeOf(obj);
43        fail("Expected TypeError for Object.getPrototypeOf on " + obj);
44    } catch (e) {
45        if (! (e instanceof TypeError)) {
46            fail("Expected TypeError, but got " + e);
47        }
48    }
49}
50
51checkTypeError(undefined);
52checkTypeError(null);
53checkTypeError(3.1415);
54checkTypeError("hello");
55checkTypeError(false);
56checkTypeError(true);
57