/*

 * 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

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

 * questions.

 */

/**

 * @test

 * @bug 8031323

 * @summary Verify that objects promoted from eden space to tenured space during

 *          full GC are not aligned to SurvivorAlignmentInBytes value.

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

 * @build TestPromotionFromEdenToTenured SurvivorAlignmentTestMain

 *        AlignmentHelper

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

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

 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m

 *                   -XX:OldSize=32m -XX:MaxHeapSize=96m -XX:SurvivorRatio=1

 *                   -XX:-ExplicitGCInvokesConcurrent

 *                   -XX:+UnlockExperimentalVMOptions

 *                   -XX:SurvivorAlignmentInBytes=32

 *                   TestPromotionFromEdenToTenured 10m 9 TENURED

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

 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m

 *                   -XX:OldSize=32m -XX:MaxHeapSize=96m -XX:SurvivorRatio=1

 *                   -XX:-ExplicitGCInvokesConcurrent

 *                   -XX:+UnlockExperimentalVMOptions

 *                   -XX:SurvivorAlignmentInBytes=32

 *                   TestPromotionFromEdenToTenured 10m 47 TENURED

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

 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m

 *                   -XX:OldSize=32m  -XX:MaxHeapSize=96m

 *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent

 *                   -XX:+UnlockExperimentalVMOptions

 *                   -XX:SurvivorAlignmentInBytes=64

 *                   TestPromotionFromEdenToTenured 10m 9 TENURED

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

 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m

 *                   -XX:OldSize=32m -XX:MaxHeapSize=128m

 *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent

 *                   -XX:+UnlockExperimentalVMOptions

 *                   -XX:SurvivorAlignmentInBytes=64

 *                   TestPromotionFromEdenToTenured 10m 87 TENURED

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

 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m

 *                   -XX:OldSize=32M -XX:MaxHeapSize=96m -XX:SurvivorRatio=1

 *                   -XX:-ExplicitGCInvokesConcurrent

 *                   -XX:+UnlockExperimentalVMOptions

 *                   -XX:SurvivorAlignmentInBytes=128

 *                   TestPromotionFromEdenToTenured 10m 9 TENURED

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

 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m

 *                   -XX:OldSize=32m -XX:MaxHeapSize=96m -XX:SurvivorRatio=1

 *                   -XX:-ExplicitGCInvokesConcurrent

 *                   -XX:+UnlockExperimentalVMOptions

 *                   -XX:SurvivorAlignmentInBytes=128

 *                   TestPromotionFromEdenToTenured 10m 147 TENURED

 */

public class TestPromotionFromEdenToTenured {

    public static void main(String args[]) {

        SurvivorAlignmentTestMain test

                = SurvivorAlignmentTestMain.fromArgs(args);

        System.out.println(test);

        long expectedMemoryUsage = test.getExpectedMemoryUsage();

        test.baselineMemoryAllocation();

        System.gc();

        // increase expected usage by current old gen usage

        expectedMemoryUsage += SurvivorAlignmentTestMain.getAlignmentHelper(

                SurvivorAlignmentTestMain.HeapSpace.TENURED)

                .getActualMemoryUsage();

        test.allocate();

        System.gc();

        test.verifyMemoryUsage(expectedMemoryUsage);

    }

}