35 import java.util.Arrays;

    35 import java.util.Arrays;

    36 import java.util.Collections;

    36 import java.util.Collections;

    37 import jdk.test.lib.process.OutputAnalyzer;

    37 import jdk.test.lib.process.OutputAnalyzer;

    38 import jdk.test.lib.process.ProcessTools;

    38 import jdk.test.lib.process.ProcessTools;

    39 import jdk.test.lib.Utils;

    39 import jdk.test.lib.Utils;

    41 import jdk.internal.misc.Unsafe;

    40 import jdk.internal.misc.Unsafe;

    42 

    41 

    43 public class TestMaxMinHeapFreeRatioFlags {

    42 public class TestMaxMinHeapFreeRatioFlags {

    44 

    43 

    45     public static final long M = 1024 * 1024;

    44     public static final long M = 1024 * 1024;

   132      * RatioVerifier will be executed in the tested VM.

   131      * RatioVerifier will be executed in the tested VM.

   133      * It will check that real heap usage after collection lies between MinHeapFreeRatio and MaxHeapFreeRatio.

   132      * It will check that real heap usage after collection lies between MinHeapFreeRatio and MaxHeapFreeRatio.

   134      */

   133      */

   135     public static class RatioVerifier {

   134     public static class RatioVerifier {

   136 

   135 

   138 

   137 

   139         // Size of byte array that will be allocated

   138         // Size of byte array that will be allocated

   140         public static final int CHUNK_SIZE = 1024;

   139         public static final int CHUNK_SIZE = 1024;

   141         // Length of byte array, that will be added to "garbage" list.

   140         // Length of byte array, that will be added to "garbage" list.

   142         public static final int ARRAY_LENGTH = CHUNK_SIZE - Unsafe.ARRAY_BYTE_BASE_OFFSET;

   141         public static final int ARRAY_LENGTH = CHUNK_SIZE - Unsafe.ARRAY_BYTE_BASE_OFFSET;