1 /*

     2  * Copyright (c) 2014, 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 8027314

    27  * @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.

    28  * @library /testlibrary

    29  */

    30 

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

    32 

    33 public class VMOptionWarning {

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

    35         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+PredictedLoadedClassCount", "-version");

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

    37         output.shouldContain("Error: VM option 'PredictedLoadedClassCount' is experimental and must be enabled via -XX:+UnlockExperimentalVMOptions.");

    38 

    39         if (Platform.isDebugBuild()) {

    40             System.out.println("Skip the rest of the tests on debug builds since diagnostic, develop, and notproduct options are available on debug builds.");

    41             return;

    42         }

    43 

    44         pb = ProcessTools.createJavaProcessBuilder("-XX:+PrintInlining", "-version");

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

    46         output.shouldContain("Error: VM option 'PrintInlining' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions.");

    47 

    48         pb = ProcessTools.createJavaProcessBuilder("-XX:+TraceJNICalls", "-version");

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

    50         output.shouldContain("Error: VM option 'TraceJNICalls' is develop and is available only in debug version of VM.");

    51 

    52         pb = ProcessTools.createJavaProcessBuilder("-XX:+TraceJVMCalls", "-version");

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

    54         output.shouldContain("Error: VM option 'TraceJVMCalls' is notproduct and is available only in debug version of VM.");

    55     }

    56 }