/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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 */

/*

 * @test

 * @bug 8005933

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

 * @library /testlibrary

 * @run main XShareAuto

 */

import com.oracle.java.testlibrary.*;

public class XShareAuto {

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

        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

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

            "-XX:SharedArchiveFile=./sample.jsa", "-Xshare:dump");

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

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

        output.shouldHaveExitValue(0);

        pb = ProcessTools.createJavaProcessBuilder(

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

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

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

        // We asked for server but it could be aliased to something else

        if (output.getOutput().contains("Server VM")) {

            // In server case we don't expect to see sharing flag

            output.shouldNotContain("sharing");

            output.shouldHaveExitValue(0);

        }

        else {

            System.out.println("Skipping test - no Server VM available");

            return;

        }

        pb = ProcessTools.createJavaProcessBuilder(

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

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

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

        try {

            output.shouldContain("sharing");

        } catch (RuntimeException e) {

            // if sharing failed due to ASLR or similar reasons,

            // check whether sharing was attempted at all (UseSharedSpaces)

            output.shouldContain("UseSharedSpaces:");

        }

        output.shouldHaveExitValue(0);

    }

}