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 *

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 * 2 along with this work; if not, write to the Free Software Foundation,

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/**

 * @test

 * @bug 8031323

 * @summary Verify that objects promoted from survivor space to tenured space

 *          during full GC are not aligned to SurvivorAlignmentInBytes value.

 * @requires vm.gc != "Z"

 * @library /test/lib

 * @modules java.base/jdk.internal.misc

 *          java.management

 * @build sun.hotspot.WhiteBox

 * @run driver ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

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

 *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m

 *                   -XX:OldSize=32m -XX:MaxHeapSize=160m

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

 *                   -XX:+UnlockExperimentalVMOptions

 *                   -XX:SurvivorAlignmentInBytes=32

 *                   TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 TENURED

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

 *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m

 *                   -XX:OldSize=32m -XX:MaxHeapSize=160m -XX:-ResizePLAB

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

 *                   -XX:+UnlockExperimentalVMOptions

 *                   -XX:SurvivorAlignmentInBytes=32

 *                   TestPromotionFromSurvivorToTenuredAfterFullGC 20m 47

 *                   TENURED

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

 *                   -XX:+WhiteBoxAPI -XX:NewSize=200m -XX:MaxNewSize=200m

 *                   -XX:OldSize=32m -XX:MaxHeapSize=232m

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

 *                   -XX:+UnlockExperimentalVMOptions

 *                   -XX:SurvivorAlignmentInBytes=64

 *                   TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 TENURED

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

 *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m

 *                   -XX:OldSize=32m -XX:MaxHeapSize=160m

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

 *                   -XX:+UnlockExperimentalVMOptions

 *                   -XX:SurvivorAlignmentInBytes=64

 *                   TestPromotionFromSurvivorToTenuredAfterFullGC 20m 87

 *                   TENURED

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

 *                   -XX:+WhiteBoxAPI -XX:NewSize=256m -XX:MaxNewSize=256m

 *                   -XX:OldSize=32M -XX:MaxHeapSize=288m

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

 *                   -XX:+UnlockExperimentalVMOptions

 *                   -XX:SurvivorAlignmentInBytes=128

 *                    TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9

 *                    TENURED

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

 *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m

 *                   -XX:OldSize=32m -XX:MaxHeapSize=160m

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

 *                   -XX:+UnlockExperimentalVMOptions

 *                   -XX:SurvivorAlignmentInBytes=128

 *                   TestPromotionFromSurvivorToTenuredAfterFullGC 20m 147

 *                   TENURED

 */

public class TestPromotionFromSurvivorToTenuredAfterFullGC {

    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();

        SurvivorAlignmentTestMain.WHITE_BOX.youngGC();

        System.gc();

        test.verifyMemoryUsage(expectedMemoryUsage);

    }

}