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
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/**
25 * @test
26 * @bug 7009359
27 * @summary HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected
28 *
29 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+OptimizeStringConcat
30 *      -XX:CompileCommand=dontinline,compiler.c2.Test7009359::stringmakerBUG
31 *      compiler.c2.Test7009359
32 */
33
34package compiler.c2;
35
36public class Test7009359 {
37    public static void main (String[] args) {
38        for(int i = 0; i < 100000; i++) {
39            if(!stringmakerBUG(null).equals("NPE")) {
40                System.out.println("StringBuffer(null) does not throw NPE");
41                System.exit(97);
42            }
43        }
44    }
45
46    public static String stringmakerBUG(String str) {
47       try {
48           return new StringBuffer(str).toString();
49       } catch (NullPointerException e) {
50           return "NPE";
51       }
52    }
53}
54
55