/*

 * 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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 */

/**

 * @test

 * @bug 8031320

 * @summary Verify UseRTMDeopt option processing on CPUs with rtm support

 *          when rtm locking is supported by VM.

 * @library /test/lib /

 * @modules java.base/jdk.internal.misc

 *          java.management

 * @requires vm.rtm.cpu & vm.rtm.compiler

 * @build sun.hotspot.WhiteBox

 * @run driver ClassFileInstaller sun.hotspot.WhiteBox

 *                                sun.hotspot.WhiteBox$WhiteBoxPermission

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

 *                   -XX:+WhiteBoxAPI

 *                   compiler.rtm.cli.TestUseRTMDeoptOptionOnSupportedConfig

 */

package compiler.rtm.cli;

import jdk.test.lib.process.ExitCode;

import jdk.test.lib.cli.CommandLineOptionTest;

public class TestUseRTMDeoptOptionOnSupportedConfig {

    private static final String DEFAULT_VALUE = "false";

    public void runTestCases() throws Throwable {

        String shouldPassMessage = " JVM should startup with option '"

                + "-XX:+UseRTMDeopt' without any warnings";

        // verify that option could be turned on

        CommandLineOptionTest.verifySameJVMStartup(

                null, null, shouldPassMessage, shouldPassMessage, ExitCode.OK,

                "-XX:+UseRTMDeopt");

        shouldPassMessage = " JVM should startup with option '"

                + "-XX:-UseRTMDeopt' without any warnings";

        // verify that option could be turned off

        CommandLineOptionTest.verifySameJVMStartup(

                null, null, shouldPassMessage, shouldPassMessage, ExitCode.OK,

                "-XX:-UseRTMDeopt");

        String defValMessage = String.format("UseRTMDeopt should have '%s'"

                                    + "default value",

                        TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE);

        // verify default value

        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",

                TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE,

                defValMessage);

        // verify default value

        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",

                TestUseRTMDeoptOptionOnSupportedConfig.DEFAULT_VALUE,

                defValMessage,

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

                "-XX:+UseRTMLocking");

        // verify that option is off when UseRTMLocking is off

        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt",

                "false", "UseRTMDeopt should be off when UseRTMLocking is off",

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

                "-XX:-UseRTMLocking", "-XX:+UseRTMDeopt");

        // verify that option could be turned on

        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMDeopt", "true",

                "UseRTMDeopt should be on when UseRTMLocking is on and "

                        + "'-XX:+UseRTMDeopt' flag set",

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

                "-XX:+UseRTMLocking", "-XX:+UseRTMDeopt");

    }

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

        new TestUseRTMDeoptOptionOnSupportedConfig().runTestCases();

    }

}