1 /*

     2  * Copyright (c) 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 import com.oracle.java.testlibrary.*;

    25 

    26 /*

    27  * @test

    28  * @bug 8015107

    29  * @summary Tests that VM prints a warning when -XX:CompressedClassSpaceSize

    30  *          is used together with -XX:-UseCompressedClassPointers

    31  * @library /testlibrary

    32  */

    33 public class TestCompressedClassFlags {

    34     public static void main(String[] args) throws Exception {

    35         if (Platform.is64bit()) {

    36             OutputAnalyzer output = runJava("-XX:CompressedClassSpaceSize=1g",

    37                                             "-XX:-UseCompressedClassPointers",

    38                                             "-version");

    39             output.shouldContain("warning");

    40             output.shouldNotContain("error");

    41             output.shouldHaveExitValue(0);

    42         }

    43     }

    44 

    45     private static OutputAnalyzer runJava(String ... args) throws Exception {

    46         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args);

    47         return new OutputAnalyzer(pb.start());

    48     }

    49 }