/*

 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package compiler.intrinsics.sha.cli.testcases;

import compiler.intrinsics.sha.cli.SHAOptionsBase;

import jdk.test.lib.Platform;

import jdk.test.lib.cli.CommandLineOptionTest;

import jdk.test.lib.cli.predicate.AndPredicate;

import jdk.test.lib.cli.predicate.NotPredicate;

import jdk.test.lib.cli.predicate.OrPredicate;

/**

 * Generic test case for SHA-related options targeted to X86 CPUs that don't

 * support SHA-related instructions.

 */

public class GenericTestCaseForUnsupportedX86CPU

        extends SHAOptionsBase.TestCase {

    public GenericTestCaseForUnsupportedX86CPU(String optionName) {

        super(optionName, new AndPredicate(new OrPredicate(Platform::isX64, Platform::isX86),

                new NotPredicate(SHAOptionsBase.getPredicateForOption(

                        optionName))));

    }

    @Override

    protected void verifyWarnings() throws Throwable {

        String shouldPassMessage = String.format("JVM should start with '-XX:-%s' "

                + "flag without any warnings", optionName);

        // Verify that the tested option could be explicitly disabled without

        // a warning.

        CommandLineOptionTest.verifySameJVMStartup(null, new String[] {

                        SHAOptionsBase.getWarningForUnsupportedCPU(optionName)

                }, shouldPassMessage, shouldPassMessage, ExitCode.OK,

                SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,

                CommandLineOptionTest.prepareBooleanFlag(optionName, false));

        // Verify that when the tested option is enabled, then

        // a warning will occur in VM output if UseSHA is disabled.

        if (!optionName.equals(SHAOptionsBase.USE_SHA_OPTION)) {

            CommandLineOptionTest.verifySameJVMStartup(

                    new String[] { SHAOptionsBase.getWarningForUnsupportedCPU(optionName) },

                    null,

                    shouldPassMessage,

                    shouldPassMessage,

                    ExitCode.OK,

                    SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,

                    CommandLineOptionTest.prepareBooleanFlag(SHAOptionsBase.USE_SHA_OPTION, false),

                    CommandLineOptionTest.prepareBooleanFlag(optionName, true));

        }

    }

    @Override

    protected void verifyOptionValues() throws Throwable {

        // Verify that the tested option is disabled by default.

        CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",

                String.format("Option '%s' should be disabled by default",

                        optionName),

                SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS);

        // Verify that it is not possible to explicitly enable the option.

        CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",

                String.format("Option '%s' should be off on unsupported "

                        + "X86CPU even if set to true directly", optionName),

                SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,

                CommandLineOptionTest.prepareBooleanFlag(optionName, true));

        // Verify that the tested option is disabled even if +UseSHA was passed

        // to JVM.

        CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",

                String.format("Option '%s' should be off on unsupported "

                        + "X86CPU even if %s flag set to JVM",

                        optionName, CommandLineOptionTest.prepareBooleanFlag(

                            SHAOptionsBase.USE_SHA_OPTION, true)),

                SHAOptionsBase.UNLOCK_DIAGNOSTIC_VM_OPTIONS,

                CommandLineOptionTest.prepareBooleanFlag(

                        SHAOptionsBase.USE_SHA_OPTION, true));

    }

}