test/runtime/CDSCompressedKPtrs/XShareAuto.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * 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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/*
 * @ignore 8026154
 * @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());
        output.shouldNotContain("sharing");
        output.shouldHaveExitValue(0);

        pb = ProcessTools.createJavaProcessBuilder(
            "-server", "-Xshare:auto", "-XX:+UnlockDiagnosticVMOptions",
            "-XX:SharedArchiveFile=./sample.jsa", "-version");
        output = new OutputAnalyzer(pb.start());
        try {
            output.shouldContain("sharing");
            output.shouldHaveExitValue(0);
        } catch (RuntimeException e) {
            // If this failed then check that it would also be unable
            // to share even if -Xshare:on is specified.  If so, then
            // return a success status.
            pb = ProcessTools.createJavaProcessBuilder(
                "-server", "-Xshare:on", "-XX:+UnlockDiagnosticVMOptions",
                "-XX:SharedArchiveFile=./sample.jsa", "-version");
            output = new OutputAnalyzer(pb.start());
            output.shouldContain("Unable to use shared archive");
            output.shouldHaveExitValue(1);
        }
    }
}