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 import com.oracle.java.testlibrary.*;
  25 import com.oracle.java.testlibrary.cli.*;
  26 
  27 /**
  28  * Test on bit manipulation related command line options,
  29  * that should be executed on CPU that supports all required
  30  * features.
  31  *
  32  * Note that this test intended to verify that VM could be launched with
  33  * specific options and that values of these options processed correctly.
  34  * In order to do that test launch a new VM with tested options, the same
  35  * flavor-specific flag as one that was used for parent VM (-client, -server,
  36  * -minimal, -graal) and '-version'.
  37  */
  38 public class BMISupportedCPUTest extends BMICommandLineOptionTestBase {
  39 
  40     /**
  41      * Construct new test on {@code optionName} option.
  42      *
  43      * @param optionName Name of the option to be tested
  44      *                   without -XX:[+-] prefix.
  45      * @param warningMessage Message that can occur in VM output
  46      *                       if CPU on test box does not support
  47      *                       features required by the option.
  48      * @param cpuFeatures CPU features requires by the option.
  49      */
  50     public BMISupportedCPUTest(String optionName,
  51                                String warningMessage,
  52                                String... cpuFeatures) {
  53         super(optionName, warningMessage, cpuFeatures, null);
  54     }
  55 
  56     @Override
  57     public void runTestCases() throws Throwable {
  58         /*
  59           Verify that VM will successfully start up without warnings.
  60           VM will be launched with following flags:
  61           -XX:+<tested option> -version
  62         */
  63         CommandLineOptionTest.verifySameJVMStartup(null,
  64                 new String[] { warningMessage }, ExitCode.OK,
  65                 CommandLineOptionTest.prepareBooleanFlag(optionName, true));
  66 
  67         /*
  68           Verify that VM will successfully start up without warnings.
  69           VM will be launched with following flags:
  70           -XX:-<tested option> -version
  71         */
  72         CommandLineOptionTest.verifySameJVMStartup(null,
  73                 new String[] { warningMessage }, ExitCode.OK,
  74                 CommandLineOptionTest.prepareBooleanFlag(optionName, false));
  75 
  76         /*
  77           Verify that on appropriate CPU option in on by default.
  78           VM will be launched with following flags:
  79           -version
  80         */
  81         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "true");
  82 
  83         /*
  84           Verify that option could be explicitly turned off.
  85           VM will be launched with following flags:
  86           -XX:-<tested option> -version
  87         */
  88         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
  89                 CommandLineOptionTest.prepareBooleanFlag(optionName, false));
  90     }
  91 }
  92