/*

 * Copyright (c) 2014, 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 UseRTMForStackLocks option processing on CPU with

 *          rtm support when VM supports rtm locking.

 * @library /testlibrary /../../test/lib /compiler/testlibrary

 * @build TestUseRTMForStackLocksOptionOnSupportedConfig

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

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

 *                   -XX:+WhiteBoxAPI

 *                   TestUseRTMForStackLocksOptionOnSupportedConfig

 */

import com.oracle.java.testlibrary.*;

import com.oracle.java.testlibrary.cli.*;

import com.oracle.java.testlibrary.cli.predicate.AndPredicate;

import rtm.predicate.SupportedCPU;

import rtm.predicate.SupportedVM;

public class TestUseRTMForStackLocksOptionOnSupportedConfig

        extends CommandLineOptionTest {

    private static final String DEFAULT_VALUE = "false";

    private TestUseRTMForStackLocksOptionOnSupportedConfig() {

        super(new AndPredicate(new SupportedVM(), new SupportedCPU()));

    }

    @Override

    public void runTestCases() throws Throwable {

        String errorMessage

                = CommandLineOptionTest.getExperimentalOptionErrorMessage(

                "UseRTMForStackLocks");

        String warningMessage

                = RTMGenericCommandLineOptionTest.RTM_FOR_STACK_LOCKS_WARNING;

        CommandLineOptionTest.verifySameJVMStartup(

                "-XX:+UseRTMForStackLocks");

        // verify that we get a warning when trying to use rtm for stack

        // lock, but not using rtm locking.

        CommandLineOptionTest.verifySameJVMStartup(

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

                "-XX:+UseRTMForStackLocks",

                "-XX:-UseRTMLocking");

        // verify that we don't get a warning when no using rtm for stack

        // lock and not using rtm locking.

        CommandLineOptionTest.verifySameJVMStartup(null,

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

                "-XX:-UseRTMForStackLocks",

                "-XX:-UseRTMLocking");

        // verify that we don't get a warning when using rtm for stack

        // lock and using rtm locking.

        CommandLineOptionTest.verifySameJVMStartup(null,

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

                "-XX:+UseRTMForStackLocks",

                "-XX:+UseRTMLocking");

        // verify that default value if false

        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks",

                TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE,

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);

        // verify that default value is false even with +UseRTMLocking

        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks",

                TestUseRTMForStackLocksOptionOnSupportedConfig.DEFAULT_VALUE,

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

                "-XX:+UseRTMLocking");

        // verify that we can turn the option on

        CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMForStackLocks",

    }

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

        new TestUseRTMForStackLocksOptionOnSupportedConfig().test();

    }

}