/*

 * 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 CPUs without

 *          rtm support and/or on VMs without rtm locking support.

 * @build TestUseRTMForStackLocksOptionOnUnsupportedConfig

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

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

 *                   -XX:+WhiteBoxAPI

 *                    TestUseRTMForStackLocksOptionOnUnsupportedConfig

 */

import com.oracle.java.testlibrary.ExitCode;

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

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

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

import rtm.predicate.SupportedCPU;

import rtm.predicate.SupportedVM;

public class TestUseRTMForStackLocksOptionOnUnsupportedConfig

        extends RTMGenericCommandLineOptionTest {

    private static final String DEFAULT_VALUE = "false";

    private TestUseRTMForStackLocksOptionOnUnsupportedConfig() {

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

                        new SupportedVM())),

                "UseRTMForStackLocks", true, true,

                TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE,

                "true");

    }

    @Override

    protected void runX86SupportedVMTestCases() throws Throwable {

        // verify that option is experimental

        CommandLineOptionTest.verifySameJVMStartup(

                new String[]{ experimentalOptionError },

                null, ExitCode.FAIL, prepareOptionValue("true"));

        CommandLineOptionTest.verifySameJVMStartup(

                new String[]{ experimentalOptionError },

                null, ExitCode.FAIL, prepareOptionValue("false"));

        // verify that if we turn it on, then VM output will contain

        // warning saying that this option could be turned on only

        // when we use rtm locking

        CommandLineOptionTest.verifySameJVMStartup(

                new String[]{

                    RTMGenericCommandLineOptionTest.RTM_FOR_STACK_LOCKS_WARNING

                },

                null, ExitCode.OK,

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

                prepareOptionValue("true")

        );

        // verify that options is turned off by default

        CommandLineOptionTest.verifyOptionValueForSameVM(optionName,

                TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE,

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS);

        // verify that it could not be turned on without rtm locking

        CommandLineOptionTest.verifyOptionValueForSameVM(optionName,

                TestUseRTMForStackLocksOptionOnUnsupportedConfig.DEFAULT_VALUE,

                CommandLineOptionTest.UNLOCK_EXPERIMENTAL_VM_OPTIONS,

                prepareOptionValue("true"));

    }

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

        new TestUseRTMForStackLocksOptionOnUnsupportedConfig().test();

    }

}