/*

 * 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 that UseRTMDeopt affects uncommon trap installation in

 *          copmpiled methods with synchronized block.

 * @build TestUseRTMDeopt

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

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

 *                   -XX:+WhiteBoxAPI TestUseRTMDeopt

 */

import com.oracle.java.testlibrary.*;

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

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

import rtm.*;

import rtm.predicate.SupportedCPU;

import rtm.predicate.SupportedVM;

/**

 * Test verifies that usage of UseRTMDeopt option affects uncommon traps usage

 * for methods that use locking.

 */

public class TestUseRTMDeopt extends CommandLineOptionTest {

    private TestUseRTMDeopt() {

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

    }

    @Override

    protected void runTestCases() throws Throwable {

        verifyUseRTMDeopt(false);

        verifyUseRTMDeopt(true);

    }

    private void verifyUseRTMDeopt(boolean useRTMDeopt) throws Throwable {

        AbortProvoker provoker = AbortType.XABORT.provoker();

        String logFileName = String.format("rtm_%s_deopt.xml",

                useRTMDeopt ? "use" : "no");

        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(

                logFileName,

                provoker,

                CommandLineOptionTest.prepareBooleanFlag("UseRTMDeopt",

                        useRTMDeopt),

                AbortProvoker.class.getName(),

                AbortType.XABORT.toString()

        );

        outputAnalyzer.shouldHaveExitValue(0);

        int expectedUncommonTraps = useRTMDeopt ? 1 : 0;

        int installedUncommonTraps

                = RTMTestBase.installedRTMStateChangeTraps(logFileName);

        Asserts.assertEQ(expectedUncommonTraps, installedUncommonTraps,

                String.format("Expected to find %d uncommon traps "

                              + "installed with reason rtm_state_change.",

                        expectedUncommonTraps));

    }

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

        new TestUseRTMDeopt().test();

    }

}