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 package compiler.intrinsics.sha.cli.testcases;
  25 
  26 import compiler.intrinsics.sha.cli.SHAOptionsBase;
  27 import jdk.test.lib.ExitCode;
  28 import jdk.test.lib.Platform;
  29 import jdk.test.lib.cli.CommandLineOptionTest;
  30 import jdk.test.lib.cli.predicate.AndPredicate;
  31 import jdk.test.lib.cli.predicate.NotPredicate;
  32 import jdk.test.lib.cli.predicate.OrPredicate;
  33 
  34 /**
  35  * Generic test case for SHA-related options targeted to X86 CPUs that don't
  36  * support SHA-related instructions.
  37  */
  38 public class GenericTestCaseForUnsupportedX86CPU
  39         extends SHAOptionsBase.TestCase {
  40     public GenericTestCaseForUnsupportedX86CPU(String optionName) {
  41         super(optionName, new AndPredicate(new OrPredicate(Platform::isX64, Platform::isX86),
  42                 new NotPredicate(SHAOptionsBase.getPredicateForOption(
  43                         optionName))));
  44     }
  45 
  46     @Override
  47     protected void verifyWarnings() throws Throwable {
  48         String shouldPassMessage = String.format("JVM should start with '-XX:-%s' "
  49                 + "flag without any warnings", optionName);
  50         // Verify that the tested option could be explicitly disabled without
  51         // a warning.
  52         CommandLineOptionTest.verifySameJVMStartup(null, new String[] {
  53                         SHAOptionsBase.getWarningForUnsupportedCPU(optionName)
  54                 }, shouldPassMessage, shouldPassMessage, ExitCode.OK,
  55                 SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
  56                 CommandLineOptionTest.prepareBooleanFlag(optionName, false));
  57 
  58         // Verify that when the tested option is enabled, then
  59         // a warning will occur in VM output if UseSHA is disabled.
  60         if (!optionName.equals(SHAOptionsBase.USE_SHA_OPTION)) {
  61             CommandLineOptionTest.verifySameJVMStartup(
  62                     new String[] { SHAOptionsBase.getWarningForUnsupportedCPU(optionName) },
  63                     null,
  64                     shouldPassMessage,
  65                     shouldPassMessage,
  66                     ExitCode.OK,
  67                     SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
  68                     CommandLineOptionTest.prepareBooleanFlag(SHAOptionsBase.USE_SHA_OPTION, false),
  69                     CommandLineOptionTest.prepareBooleanFlag(optionName, true));
  70         }
  71     }
  72 
  73     @Override
  74     protected void verifyOptionValues() throws Throwable {
  75         // Verify that the tested option is disabled by default.
  76         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
  77                 String.format("Option '%s' should be disabled by default",
  78                         optionName),
  79                 SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS);
  80 
  81         // Verify that it is not possible to explicitly enable the option.
  82         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
  83                 String.format("Option '%s' should be off on unsupported "
  84                         + "X86CPU even if set to true directly", optionName),
  85                 SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
  86                 CommandLineOptionTest.prepareBooleanFlag(optionName, true));
  87 
  88         // Verify that the tested option is disabled even if +UseSHA was passed
  89         // to JVM.
  90         CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
  91                 String.format("Option '%s' should be off on unsupported "
  92                         + "X86CPU even if %s flag set to JVM",
  93                         optionName, CommandLineOptionTest.prepareBooleanFlag(
  94                             SHAOptionsBase.USE_SHA_OPTION, true)),
  95                 SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,
  96                 CommandLineOptionTest.prepareBooleanFlag(
  97                         SHAOptionsBase.USE_SHA_OPTION, true));
  98     }
  99 }