TestCompressedClassFlags.java revision 11833:1cbffa2beba6 
1/*
2 * Copyright (c) 2013, 2016, 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
24import jdk.test.lib.process.OutputAnalyzer;
25import jdk.test.lib.process.ProcessTools;
26import jdk.test.lib.Platform;
27
28/*
29 * @test
30 * @bug 8015107
31 * @summary Tests that VM prints a warning when -XX:CompressedClassSpaceSize
32 *          is used together with -XX:-UseCompressedClassPointers
33 * @library /test/lib
34 * @modules java.base/jdk.internal.misc
35 *          java.management
36 */
37public class TestCompressedClassFlags {
38    public static void main(String[] args) throws Exception {
39        if (Platform.is64bit()) {
40            OutputAnalyzer output = runJava("-XX:CompressedClassSpaceSize=1g",
41                                            "-XX:-UseCompressedClassPointers",
42                                            "-version");
43            output.shouldContain("warning");
44            output.shouldNotContain("error");
45            output.shouldHaveExitValue(0);
46        }
47    }
48
49    private static OutputAnalyzer runJava(String ... args) throws Exception {
50        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args);
51        return new OutputAnalyzer(pb.start());
52    }
53}
54