/*

 * 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 RTMLockingCalculationDelay affect when

 *          abort ratio calculation is started.

 * @build TestRTMLockingCalculationDelay

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

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

 *                   -XX:+WhiteBoxAPI TestRTMLockingCalculationDelay

 */

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 abort ratio calculation could be delayed using

 * RTMLockingCalculationDelay option.

 */

public class TestRTMLockingCalculationDelay extends CommandLineOptionTest {

    private static final boolean INFLATE_MONITOR = true;

    private TestRTMLockingCalculationDelay() {

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

    }

    @Override

    protected void runTestCases() throws Throwable {

        // verify that calculation will be started immediately

        verifyLockingCalculationDelay(0, 0, true);

        // verify that calculation will not be started during

        // first 10 minutes, while test will be started immediately

        verifyLockingCalculationDelay(600000, 0, false);

        // verify that calculation will be started after a second

        verifyLockingCalculationDelay(1000, 1000, true);

    }

    private void verifyLockingCalculationDelay(long delay, long testDelay,

            boolean deoptExpected) throws Throwable {

        AbortProvoker provoker = AbortType.XABORT.provoker();

        String logFileName = String.format("rtm_delay_%d_%d.xml", delay,

                testDelay);

        OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest(

                logFileName,

                provoker,

                "-XX:+UseRTMDeopt",

                CommandLineOptionTest.prepareNumericFlag(

                        "RTMLockingCalculationDelay", delay),

                "-XX:RTMAbortRatio=0",

                "-XX:RTMAbortThreshold=0",

                AbortProvoker.class.getName(),

                AbortType.XABORT.toString(),

                Boolean.toString(

                        TestRTMLockingCalculationDelay.INFLATE_MONITOR),

                Long.toString(AbortProvoker.DEFAULT_ITERATIONS),

                Long.toString(testDelay)

        );

        outputAnalyzer.shouldHaveExitValue(0);

        int deopts = RTMTestBase.firedRTMStateChangeTraps(logFileName);

        if (deoptExpected) {

            Asserts.assertGT(deopts, 0, "At least one deoptimization due to "

                    + "rtm_state_chage is expected");

        } else {

            Asserts.assertEQ(deopts, 0, "No deoptimizations due to "

                    + "rtm_state_chage are expected");

        }

    }

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

        new TestRTMLockingCalculationDelay().test();

    }

}