1 /*
   2  * Copyright (c) 2014, 2016, 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.OrPredicate;
  29 import jdk.test.lib.cli.predicate.NotPredicate;
  30 
  31 /**
  32  * Generic test case for SHA-related options targeted to X86 CPUs that don't
  33  * support SHA-related instructions.
  34  */
  35 public class GenericTestCaseForUnsupportedX86CPU
  36         extends SHAOptionsBase.TestCase {
  37     public GenericTestCaseForUnsupportedX86CPU(String optionName) {
  38         super(optionName, new AndPredicate(new OrPredicate(Platform::isX64, Platform::isX86),
  39                 new NotPredicate(SHAOptionsBase.getPredicateForOption(
  40                         optionName))));
  41     }
  42 
  43     @Override
  44     protected void verifyWarnings() throws Throwable {
  45         String shouldPassMessage = String.format("JVM should start with '-XX:-%s' "
  46                 + "flag without any warnings", optionName);
  47         // Verify that the tested option could be explicitly disabled without
  48         // a warning.
  49         CommandLineOptionTest.verifySameJVMStartup(null, new String[] {
  50                         SHAOptionsBase.getWarningForUnsupportedCPU(optionName)
  51                 }, shouldPassMessage, shouldPassMessage, ExitCode.OK,
  52                 SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
  53                 CommandLineOptionTest.prepareBooleanFlag(optionName, false));
  54 
  55         // Verify that when the tested option is enabled, then
  56         // a warning will occur in VM output if UseSHA is disabled.
  57         if (!optionName.equals(SHAOptionsBase.USE_SHA_OPTION)) {
  58             CommandLineOptionTest.verifySameJVMStartup(
  59                     new String[] { SHAOptionsBase.getWarningForUnsupportedCPU(optionName) },
  60                     null,
  61                     shouldPassMessage,
  62                     shouldPassMessage,
  63                     ExitCode.OK,
  64                     SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
  65                     CommandLineOptionTest.prepareBooleanFlag(SHAOptionsBase.USE_SHA_OPTION, false),
  66                     CommandLineOptionTest.prepareBooleanFlag(optionName, true));
  67         }
  68     }
  69 
  70     @Override
  71     protected void verifyOptionValues() throws Throwable {
  72         // Verify that the tested option is disabled by default.
  73         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
  74                 String.format("Option '%s' should be disabled by default",
  75                         optionName),
  76                 SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS);
  77 
  78         // Verify that it is not possible to explicitly enable the option.
  79         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
  80                 String.format("Option '%s' should be off on unsupported "
  81                         + "X86CPU even if set to true directly", optionName),
  82                 SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
  83                 CommandLineOptionTest.prepareBooleanFlag(optionName, true));
  84 
  85         // Verify that the tested option is disabled even if +UseSHA was passed
  86         // to JVM.
  87         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
  88                 String.format("Option '%s' should be off on unsupported "
  89                         + "X86CPU even if %s flag set to JVM",
  90                         optionName, CommandLineOptionTest.prepareBooleanFlag(
  91                             SHAOptionsBase.USE_SHA_OPTION, true)),
  92                 SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
  93                 CommandLineOptionTest.prepareBooleanFlag(
  94                         SHAOptionsBase.USE_SHA_OPTION, true));
  95     }
  96 }