JDK-8044851.js revision 970:f82b83cf73ae 
1/*
2 * Copyright (c) 2010, 2014, 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 * JDK-8044851: nashorn properties leak memory
26 *
27 * @test
28 * @run
29 * @option -Dnashorn.debug=true
30 * @fork
31 */
32
33function printProperty(value, property) {
34    print(value, property.getKey(), property.isSpill() ? "spill" : "field", property.getSlot());
35}
36
37var obj = {}, i, name;
38
39for (i = 0; i < 8; ++i) {
40    name = 'property' + i;
41    obj[name] = 'a' + i;
42    printProperty(obj[name], Debug.map(obj).findProperty(name));
43}
44print();
45
46for (i = 0; i < 8; ++i) {
47    name = 'property' + i;
48    delete obj[name];
49}
50
51for (i = 0; i < 8; ++i) {
52    name = 'property' + i;
53    obj[name] = 'b' + i;
54    printProperty(obj[name], Debug.map(obj).findProperty(name));
55}
56print();
57
58for (i = 0; i < 8; ++i) {
59    name = 'property' + i;
60    Object.defineProperty(obj, name, {get: function() {return i;}, set: function(v) {}, configurable: true});
61    printProperty(obj[name], Debug.map(obj).findProperty(name));
62}
63print();
64
65for (i = 0; i < 8; ++i) {
66    name = 'property' + i;
67    delete obj[name];
68}
69
70for (i = 0; i < 8; ++i) {
71    name = 'property' + i;
72    obj[name] = 'c' + i;
73    printProperty(obj[name], Debug.map(obj).findProperty(name));
74}
75print();
76
77for (i = 7; i > -1; --i) {
78    name = 'property' + i;
79    delete obj[name];
80}
81
82for (i = 0; i < 8; ++i) {
83    name = 'property' + i;
84    obj[name] = 'd' + i;
85    printProperty(obj[name], Debug.map(obj).findProperty(name));
86}
87print();
88
89for (i = 0; i < 8; ++i) {
90    name = 'property' + i;
91    Object.defineProperty(obj, name, {get: function() {return i;}, set: function(v) {}});
92    printProperty(obj[name], Debug.map(obj).findProperty(name));
93}
94