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 /*

    25  * @test

    26  * @bug 8005933

    27  * @summary Test that -Xshare:auto uses CDS when explicitly specified with -server.

    28  * @library /testlibrary

    29  * @run main XShareAuto

    30  */

    31 

    32 import com.oracle.java.testlibrary.*;

    33 

    34 public class XShareAuto {

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

    36         if (!Platform.is64bit()) {

    37             System.out.println("ObjectAlignmentInBytes for CDS is only " +

    38                 "supported on 64bit platforms; this plaform is " +

    39                 System.getProperty("sun.arch.data.model"));

    40             System.out.println("Skipping the test");

    41             return;

    42         }

    43         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

    44             "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./sample.jsa",

    45             "-Xshare:dump");

    46         OutputAnalyzer output = new OutputAnalyzer(pb.start());

    47         output.shouldContain("Loading classes to share");

    48         output.shouldHaveExitValue(0);

    49 

    50         pb = ProcessTools.createJavaProcessBuilder(

    51             "-server", "-XX:+UnlockDiagnosticVMOptions",

    52             "-XX:SharedArchiveFile=./sample.jsa", "-version");

    53         output = new OutputAnalyzer(pb.start());

    54         output.shouldNotContain("sharing");

    55         output.shouldHaveExitValue(0);

    56 

    57         pb = ProcessTools.createJavaProcessBuilder(

    58             "-server", "-Xshare:auto", "-XX:+UnlockDiagnosticVMOptions",

    59             "-XX:SharedArchiveFile=./sample.jsa", "-version");

    60         output = new OutputAnalyzer(pb.start());

    61         try {

    62             output.shouldContain("sharing");

    63             output.shouldHaveExitValue(0);

    64         } catch (RuntimeException e) {

    65             // If this failed then check that it would also be unable

    66             // to share even if -Xshare:on is specified.  If so, then

    67             // return a success status.

    68             pb = ProcessTools.createJavaProcessBuilder(

    69                 "-server", "-Xshare:on", "-XX:+UnlockDiagnosticVMOptions",

    70                 "-XX:SharedArchiveFile=./sample.jsa", "-version");

    71             output = new OutputAnalyzer(pb.start());

    72             output.shouldContain("Could not allocate metaspace at a compatible address");

    73             output.shouldHaveExitValue(1);

    74         }

    75     }

    76 }