/*

 * Copyright (c) 2014, 2015, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

import java.lang.management.MemoryPoolMXBean;

import sun.hotspot.code.BlobType;

/*

 * @test UsageThresholdExceededTest

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

 * @modules java.base/sun.misc

 *          java.management

 * @build UsageThresholdExceededTest

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *     sun.hotspot.WhiteBox$WhiteBoxPermission

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

 *     -XX:+WhiteBoxAPI -XX:+SegmentedCodeCache -XX:-UseCodeCacheFlushing

 *     -XX:-MethodFlushing -XX:CompileCommand=compileonly,null::*

 *     UsageThresholdExceededTest

 * @summary verifying that getUsageThresholdCount() returns correct value

 *     after threshold has been hit

 */

public class UsageThresholdExceededTest {

    protected final int iterations;

    private final BlobType btype;

    public UsageThresholdExceededTest(BlobType btype, int iterations) {

        this.btype = btype;

        this.iterations = iterations;

    }

    public static void main(String[] args) {

        int iterationsCount =

        for (BlobType btype : BlobType.getAvailable()) {

            if (CodeCacheUtils.isCodeHeapPredictable(btype)) {

                new UsageThresholdExceededTest(btype, iterationsCount)

                        .runTest();

            }

        }

    }

    protected void runTest() {

        MemoryPoolMXBean bean = btype.getMemoryPool();

        long oldValue = bean.getUsageThresholdCount();

        for (int i = 0; i < iterations; i++) {

            CodeCacheUtils.hitUsageThreshold(bean, btype);

        }

        Asserts.assertEQ(bean.getUsageThresholdCount(), oldValue + iterations,

                "Unexpected threshold usage count");

        System.out.printf("INFO: Scenario finished successfully for %s%n",

                bean.getName());

    }

}