1 /*
   2  * Copyright (c) 2014, 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 package compiler.arguments;
  25 
  26 import jdk.test.lib.process.ExitCode;
  27 import jdk.test.lib.cli.CommandLineOptionTest;
  28 
  29 /**
  30  * Test on bit manipulation related command line options,
  31  * that should be executed on CPU that supports all required
  32  * features.
  33  *
  34  * Note that this test intended to verify that VM could be launched with
  35  * specific options and that values of these options processed correctly.
  36  * In order to do that test launch a new VM with tested options, the same
  37  * flavor-specific flag as one that was used for parent VM (-client, -server,
  38  * -minimal, -graal) and '-version'.
  39  */
  40 public class BMISupportedCPUTest extends BMICommandLineOptionTestBase {
  41 
  42     /**
  43      * Construct new test on {@code optionName} option.
  44      *
  45      * @param optionName Name of the option to be tested
  46      *                   without -XX:[+-] prefix.
  47      * @param warningMessage Message that can occur in VM output
  48      *                       if CPU on test box does not support
  49      *                       features required by the option.
  50      * @param cpuFeatures CPU features requires by the option.
  51      */
  52     public BMISupportedCPUTest(String optionName,
  53                                String warningMessage,
  54                                String... cpuFeatures) {
  55         super(optionName, warningMessage, cpuFeatures, null);
  56     }
  57 
  58     @Override
  59     public void runTestCases() throws Throwable {
  60         /*
  61           Verify that VM will successfully start up without warnings.
  62           VM will be launched with following flags:
  63           -XX:+<tested option> -version
  64         */
  65         String errorString = String.format("JVM should start with '-XX:+%s'"
  66                 + " flag without any warnings", optionName);
  67         CommandLineOptionTest.verifySameJVMStartup(null,
  68                 new String[] { warningMessage }, errorString, errorString,
  69                 ExitCode.OK,
  70                 CommandLineOptionTest.prepareBooleanFlag(optionName, true));
  71 
  72         /*
  73           Verify that VM will successfully start up without warnings.
  74           VM will be launched with following flags:
  75           -XX:-<tested option> -version
  76         */
  77         errorString = String.format("JVM should start with '-XX:-%s'"
  78                 + " flag without any warnings", optionName);
  79         CommandLineOptionTest.verifySameJVMStartup(null,
  80                 new String[] { warningMessage }, errorString,
  81                 errorString, ExitCode.OK,
  82                 CommandLineOptionTest.prepareBooleanFlag(optionName, false));
  83 
  84         /*
  85           Verify that on appropriate CPU option in on by default.
  86           VM will be launched with following flags:
  87           -version
  88         */
  89         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "true",
  90                 String.format("Option '%s' is expected to have default value "
  91                     + "'true'", optionName));
  92 
  93         /*
  94           Verify that option could be explicitly turned off.
  95           VM will be launched with following flags:
  96           -XX:-<tested option> -version
  97         */
  98         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
  99                 String.format("Option '%s' is set to have value 'false'",
 100                     optionName),
 101                 CommandLineOptionTest.prepareBooleanFlag(optionName, false));
 102     }
 103 }
 104