JDK-8137281.js revision 1450:68a026de1201 
1/*
2 * Copyright (c) 2015, 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-8137281: OutOfMemoryError with large numeric keys in JSON.parse
26 *
27 * @test
28 * @run
29 */
30
31function createObject(startKey, level1, level2) {
32    var root = {};
33    var key = startKey;
34    for (var i = 0; i < level1; i++) {
35        var child = {};
36        for (var j = 0; j < level2; j++) {
37            child[key++] = {};
38        }
39        root[key++] = child;
40    }
41    return root;
42}
43
44JSON.parse(JSON.stringify(createObject(500000, 20, 20)));
45JSON.parse(JSON.stringify(createObject(1000000, 20, 20)));
46JSON.parse(JSON.stringify(createObject(2000000, 20, 20)));
47JSON.parse(JSON.stringify(createObject(4000000, 20, 20)));
48JSON.parse(JSON.stringify(createObject(8000000, 20, 20)));
49JSON.parse(JSON.stringify(createObject(16000000, 20, 20)));
50