/*

 * Copyright (c) 2014, 2015, 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.

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

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/**

 * @test

 * @bug 8031320

 * @summary Verify UseRTMLocking option processing on CPU without

 *          rtm support.

 * @modules java.base/sun.misc

 *          java.management

 * @build TestUseRTMLockingOptionOnUnsupportedCPU

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions

 *                   -XX:+WhiteBoxAPI TestUseRTMLockingOptionOnUnsupportedCPU

 */

import jdk.test.lib.*;

import jdk.test.lib.cli.*;

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

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

import rtm.predicate.SupportedCPU;

import rtm.predicate.SupportedVM;

public class TestUseRTMLockingOptionOnUnsupportedCPU

        extends CommandLineOptionTest {

    private static final String DEFAULT_VALUE = "false";

    private TestUseRTMLockingOptionOnUnsupportedCPU() {

        super(new AndPredicate(new NotPredicate(new SupportedCPU()),

                new SupportedVM()));

    }

    @Override

    public void runTestCases() throws Throwable {

        String unrecongnizedOption

                = CommandLineOptionTest.getUnrecognizedOptionErrorMessage(

                "UseRTMLocking");

        String errorMessage = RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR;

        if (Platform.isX86() || Platform.isX64() || Platform.isPPC()) {

            String shouldFailMessage = "JVM startup should fail with option "

                    + "-XX:+UseRTMLocking on unsupported CPU";

            // verify that we get an error when use +UseRTMLocking

            // on unsupported CPU

            CommandLineOptionTest.verifySameJVMStartup(

                    new String[] { errorMessage },

                    new String[] { unrecongnizedOption }, shouldFailMessage,

                    shouldFailMessage + ". Error message should be shown",

                    ExitCode.FAIL, "-XX:+UseRTMLocking");

            String shouldPassMessage = "JVM startup should pass with option "

                    + "-XX:-UseRTMLocking even on unsupported CPU";

            // verify that we can pass -UseRTMLocking without

            // getting any error messages

            CommandLineOptionTest.verifySameJVMStartup(null, new String[] {

                    errorMessage, unrecongnizedOption }, shouldPassMessage,

                    shouldPassMessage + " without any warnings", ExitCode.OK,

                    "-XX:-UseRTMLocking");

            // verify that UseRTMLocking is false by default

            CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",

                    TestUseRTMLockingOptionOnUnsupportedCPU.DEFAULT_VALUE,

                    String.format("Default value of option 'UseRTMLocking' "

                        +"should be '%s'", DEFAULT_VALUE));

        } else {

            String shouldFailMessage = "RTMLocking should be unrecognized"

                    + " on non-x86 CPUs. JVM startup should fail."

                    + "Error message should be shown";

            // verify that on non-x86 CPUs RTMLocking could not be used

            CommandLineOptionTest.verifySameJVMStartup(

                    new String[] { unrecongnizedOption },

                    null, shouldFailMessage, shouldFailMessage,

                    ExitCode.FAIL, "-XX:+UseRTMLocking");

            CommandLineOptionTest.verifySameJVMStartup(

                    new String[] { unrecongnizedOption },

                    null, shouldFailMessage, shouldFailMessage,

                    ExitCode.FAIL, "-XX:-UseRTMLocking");

        }

    }

    public static void main(String args[]) throws Throwable {

        new TestUseRTMLockingOptionOnUnsupportedCPU().test();

    }

}