1/*
2 * Copyright (c) 2009, 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 * @test
26 * @bug 6807702
27 * @summary Basic test for Integer.valueOf
28 * @run main ValueOf
29 * @run main/othervm -esa -XX:+AggressiveOpts ValueOf
30 */
31
32public class ValueOf {
33
34    // test Integer.valueOf over this range (inclusive)
35    private static final int TEST_LOW  = -1024;
36    private static final int TEST_HIGH = 24576;
37
38    public static void main(String[] args) {
39        int i = TEST_LOW;
40        while (i <= TEST_HIGH) {
41            // check that valueOf stores i
42            if (Integer.valueOf(i).intValue() != i)
43                throw new RuntimeException();
44
45            // check that the same object is returned for integral values
46            // in the range -128 to 127 (inclusive)
47            if (i >= -128 && i <= 127) {
48                if (Integer.valueOf(i) != Integer.valueOf(i))
49                    throw new RuntimeException();
50            }
51
52            i++;
53        }
54    }
55}
56