19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 import java.lang.management.MemoryPoolMXBean;
  26 
  27 import sun.hotspot.WhiteBox;
  28 import jdk.test.lib.Asserts;
  29 
  30 /**
  31  * @test ValueTypeDensity
  32  * @summary Heap density test for ValueTypes
  33  * @library /test/lib
  34  * @compile -XDenableValueTypes ValueTypeDensity.java
  35  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  36  * @run main/othervm -Xint -XX:+EnableValhalla -XX:+ValueArrayFlatten
  37  *                   -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  38  *                    -XX:+WhiteBoxAPI ValueTypeDensity




  39  * @run main/othervm -Xcomp -XX:+EnableValhalla -XX:+ValueArrayFlatten
  40  *                   -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  41  *                   -XX:+WhiteBoxAPI ValueTypeDensity
  42  */
  43 
  44 public class ValueTypeDensity {
  45 
  46     private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
  47 
  48     public ValueTypeDensity() {
  49         if (!WHITE_BOX.getBooleanVMFlag("ValueArrayFlatten")) {
  50             throw new IllegalStateException("ValueArrayFlatten false");
  51         }
  52     }
  53 
  54     interface LocalDate {
  55         public int getYear();
  56         public short getMonth();
  57         public short getDay();
  58     }

  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 import java.lang.management.MemoryPoolMXBean;
  26 
  27 import sun.hotspot.WhiteBox;
  28 import jdk.test.lib.Asserts;
  29 
  30 /**
  31  * @test ValueTypeDensity
  32  * @summary Heap density test for ValueTypes
  33  * @library /test/lib
  34  * @compile -XDenableValueTypes ValueTypeDensity.java
  35  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  36  * @run main/othervm -Xint -XX:+EnableValhalla -XX:+ValueArrayFlatten
  37  *                   -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  38  *                    -XX:+WhiteBoxAPI ValueTypeDensity
  39  */
  40 
  41 
  42 /*
  43  * @run main/othervm -Xcomp -XX:+EnableValhalla -XX:+ValueArrayFlatten
  44  *                   -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  45  *                   -XX:+WhiteBoxAPI ValueTypeDensity
  46  */
  47 
  48 public class ValueTypeDensity {
  49 
  50     private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
  51 
  52     public ValueTypeDensity() {
  53         if (!WHITE_BOX.getBooleanVMFlag("ValueArrayFlatten")) {
  54             throw new IllegalStateException("ValueArrayFlatten false");
  55         }
  56     }
  57 
  58     interface LocalDate {
  59         public int getYear();
  60         public short getMonth();
  61         public short getDay();
  62     }