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 import jdk.test.lib.ExitCode;
  25 import jdk.test.lib.Platform;
  26 import jdk.test.lib.cli.CommandLineOptionTest;
  27 import jdk.test.lib.cli.predicate.AndPredicate;
  28 import jdk.test.lib.cli.predicate.NotPredicate;
  29 
  30 /**
  31  * Generic test case for SHA-related options targeted to AArch64 CPUs
  32  * which don't support instruction required by the tested option.
  33  */
  34 public class GenericTestCaseForUnsupportedAArch64CPU extends
  35         SHAOptionsBase.TestCase {
  36     public GenericTestCaseForUnsupportedAArch64CPU(String optionName) {
  37         super(optionName, new AndPredicate(Platform::isAArch64,
  38                 new NotPredicate(SHAOptionsBase.getPredicateForOption(
  39                         optionName))));
  40     }
  41 
  42     @Override
  43     protected void verifyWarnings() throws Throwable {
  44         String shouldPassMessage = String.format("JVM startup should pass with"
  45                 + "option '-XX:-%s' without any warnings", optionName);
  46         //Verify that option could be disabled without any warnings.
  47         CommandLineOptionTest.verifySameJVMStartup(null, new String[] {
  48                         SHAOptionsBase.getWarningForUnsupportedCPU(optionName)
  49                 }, shouldPassMessage, shouldPassMessage, ExitCode.OK,
  50                 CommandLineOptionTest.prepareBooleanFlag(optionName, false));
  51 
  52         shouldPassMessage = String.format("JVM should start with '-XX:+"
  53                 + "%s' flag, but output should contain warning.", optionName);
  54         // Verify that when the tested option is explicitly enabled, then
  55         // a warning will occur in VM output.
  56         CommandLineOptionTest.verifySameJVMStartup(new String[] {
  57                         SHAOptionsBase.getWarningForUnsupportedCPU(optionName)
  58                 }, null, shouldPassMessage, shouldPassMessage, ExitCode.OK,
  59                 CommandLineOptionTest.prepareBooleanFlag(optionName, true));
  60     }
  61 
  62     @Override
  63     protected void verifyOptionValues() throws Throwable {
  64         // Verify that option is disabled by default.
  65         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
  66                 String.format("Option '%s' should be disabled by default",
  67                         optionName));
  68 
  69         // Verify that option is disabled even if it was explicitly enabled
  70         // using CLI options.
  71         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
  72                 String.format("Option '%s' should be off on unsupported "
  73                         + "AArch64CPU even if set to true directly", optionName),
  74                 CommandLineOptionTest.prepareBooleanFlag(optionName, true));
  75 
  76         // Verify that option is disabled when +UseSHA was passed to JVM.
  77         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
  78                 String.format("Option '%s' should be off on unsupported "
  79                         + "AArch64CPU even if %s flag set to JVM",
  80                         optionName, CommandLineOptionTest.prepareBooleanFlag(
  81                             SHAOptionsBase.USE_SHA_OPTION, true)),
  82                 CommandLineOptionTest.prepareBooleanFlag(
  83                         SHAOptionsBase.USE_SHA_OPTION, true));
  84     }
  85 }