/*

 * 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 processing of UseRTMLocking and UseBiasedLocking

 * @library /test/lib /

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

 *          java.management

 * @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.TestUseRTMLockingOptionWithBiasedLocking

 */

package compiler.rtm.cli;

import jdk.test.lib.process.ExitCode;

import jdk.test.lib.cli.CommandLineOptionTest;

public class TestUseRTMLockingOptionWithBiasedLocking {

    public void runTestCases() throws Throwable {

        String warningMessage

                = RTMGenericCommandLineOptionTest.RTM_BIASED_LOCKING_WARNING;

        String shouldPassMessage = "JVM startup should pass with both "

                + "-XX:+UseRTMLocking and "

                + "-XX:-UseBiasedLocking flags set without any warnings";

        // verify that we will not get a warning

        CommandLineOptionTest.verifySameJVMStartup(null,

                new String[] { warningMessage }, shouldPassMessage,

                shouldPassMessage, ExitCode.OK,

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

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

        // verify that we will get a warning

        CommandLineOptionTest.verifySameJVMStartup(

                new String[] { warningMessage }, null,

                "JVM startup should pass when both -XX:+UseRTMLocking and "

                        + "-XX:+UseBiasedLocking flags set",

                "Flags -XX:+UseRTMLocking"

                        + " and -XX:+UseBiasedLocking conflicts. "

                        + "Warning should be shown.", ExitCode.OK,

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

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

        // verify that UseBiasedLocking is false when we use rtm locking

        CommandLineOptionTest.verifyOptionValueForSameVM("UseBiasedLocking",

                "false",

                "Value of option 'UseBiasedLocking' should be false if"

                        + "-XX:+UseRTMLocking flag set.",

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

                "-XX:+UseRTMLocking");

        // verify that we can't turn on biased locking when

        // using rtm locking

        CommandLineOptionTest

                .verifyOptionValueForSameVM(

                        "UseBiasedLocking",

                        "false",

                        "Value of option 'UseBiasedLocking' should be false if"

                                + "both -XX:+UseRTMLocking and "

                                + "-XX:+UseBiasedLocking flags set.",

                        CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

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

    }

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

        new TestUseRTMLockingOptionWithBiasedLocking().runTestCases();

    }

}