hotspot/test/runtime/CDSCompressedKPtrs/XShareAuto.java
author rprotacio
Mon, 05 Jun 2017 13:13:38 -0400
changeset 46522 86b13b03a053
parent 43455 96560cffef4d
child 46779 d80ca591ae48
permissions -rw-r--r--
8176132: -XX:+PrintSharedSpaces should be converted to use Unified Logging. Summary: Converted -XX:+PrintSharedSpaces to -Xlog:cds=info Reviewed-by: iklam, jiangli, mseledtsov

/*
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 * 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).
 *
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 * 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 /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management
 * @run main XShareAuto
 */

import jdk.test.lib.Platform;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;

public class XShareAuto {
    public static void main(String[] args) throws Exception {
        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
            "-server", "-XX:+UnlockDiagnosticVMOptions",
            "-XX:SharedArchiveFile=./XShareAuto.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=./XShareAuto.jsa", "-version");
        output = new OutputAnalyzer(pb.start());
        String outputString = output.getOutput();
        // We asked for server but it could be aliased to something else
        if (outputString.contains("Server VM") && !outputString.contains("emulated-client")) {
            // 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=./XShareAuto.jsa", "-Xlog:cds", "-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.shouldNotContain("Unable to map %s");
        }
        output.shouldHaveExitValue(0);
    }
}