hotspot/test/runtime/CommandLine/VMOptionWarning.java
author jdv
Tue, 09 Aug 2016 13:45:17 +0530
changeset 40432 6a878eae7459
parent 36851 03e2f4d0a421
child 40631 ed82623d7831
permissions -rw-r--r--
8160456: KSS : resource loading issue in TIFFMetadataFormat.java Reviewed-by: prr, bpb

/*
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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).
 *
 * 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 8027314
 * @summary Warn if diagnostic or experimental vm option is used and -XX:+UnlockDiagnosticVMOptions or -XX:+UnlockExperimentalVMOptions, respectively, isn't specified. Warn if develop or notproduct vm option is used with product version of VM.
 * @library /testlibrary
 * @modules java.base/jdk.internal.misc
 *          java.management
 */

import jdk.test.lib.*;

public class VMOptionWarning {
    public static void main(String[] args) throws Exception {
        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+PredictedLoadedClassCount", "-version");
        OutputAnalyzer output = new OutputAnalyzer(pb.start());
        output.shouldContain("Error: VM option 'PredictedLoadedClassCount' is experimental and must be enabled via -XX:+UnlockExperimentalVMOptions.");

        if (Platform.isDebugBuild()) {
            System.out.println("Skip the rest of the tests on debug builds since diagnostic, develop, and notproduct options are available on debug builds.");
            return;
        }

        pb = ProcessTools.createJavaProcessBuilder("-XX:+PrintInlining", "-version");
        output = new OutputAnalyzer(pb.start());
        output.shouldContain("Error: VM option 'PrintInlining' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.");

        pb = ProcessTools.createJavaProcessBuilder("-XX:+VerifyStack", "-version");
        output = new OutputAnalyzer(pb.start());
        output.shouldContain("Error: VM option 'VerifyStack' is develop and is available only in debug version of VM.");

        pb = ProcessTools.createJavaProcessBuilder("-XX:+ExecuteInternalVMTests", "-version");
        output = new OutputAnalyzer(pb.start());
        output.shouldContain("Error: VM option 'ExecuteInternalVMTests' is notproduct and is available only in debug version of VM.");
    }
}