1 /*
   2  * Copyright (c) 2015, 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 import jdk.test.lib.*;
  25 import jdk.test.lib.cli.*;
  26 
  27 /*
  28  * @test
  29  * @bug 8061611
  30  * @summary Test that various alias options correctly set the target options. See aliased_jvm_flags in arguments.cpp.
  31  * @modules java.base/jdk.internal.misc
  32  * @library /testlibrary
  33  */
  34 public class VMAliasOptions {
  35 
  36     /**
  37      * each entry is {[0]: alias name, [1]: alias target, [2]: value to set
  38      * (true/false/n/string)}.
  39      */
  40     public static final String[][] ALIAS_OPTIONS = {
  41         {"DefaultMaxRAMFraction",   "MaxRAMFraction", "1032"},
  42         {"CMSMarkStackSizeMax",     "MarkStackSizeMax", "1032"},
  43         {"CMSMarkStackSize",        "MarkStackSize", "1032"},
  44         {"G1MarkStackSize",         "MarkStackSize", "1032"},
  45         {"ParallelMarkingThreads",  "ConcGCThreads", "2"},
  46         {"ParallelCMSThreads",      "ConcGCThreads", "2"},
  47         {"CreateMinidumpOnCrash",   "CreateCoredumpOnCrash", "false" },
  48     };
  49 
  50     static void testAliases(String[][] optionInfo) throws Throwable {
  51         String aliasNames[]     = new String[optionInfo.length];
  52         String optionNames[]    = new String[optionInfo.length];
  53         String expectedValues[] = new String[optionInfo.length];
  54         for (int i = 0; i < optionInfo.length; i++) {
  55             aliasNames[i]     = optionInfo[i][0];
  56             optionNames[i]    = optionInfo[i][1];
  57             expectedValues[i] = optionInfo[i][2];
  58         }
  59 
  60         OutputAnalyzer output = CommandLineOptionTest.startVMWithOptions(aliasNames, expectedValues, "-XX:+PrintFlagsFinal");
  61         CommandLineOptionTest.verifyOptionValuesFromOutput(output, optionNames, expectedValues);
  62     }
  63 
  64     public static void main(String[] args) throws Throwable {
  65         testAliases(ALIAS_OPTIONS);
  66     }
  67 }