test/hotspot/jtreg/gc/metaspace/TestCapacityUntilGCWrapAround.java

rev 59148 : imported patch 8244384

*** 28,54 ****
   * @key gc
   * @bug 8049831
   * @library /test/lib
   * @modules java.base/jdk.internal.misc
   *          java.management
   * @build sun.hotspot.WhiteBox
   * @run driver ClassFileInstaller sun.hotspot.WhiteBox
   * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI gc.metaspace.TestCapacityUntilGCWrapAround
   */
  
  import sun.hotspot.WhiteBox;
  
  import jdk.test.lib.Asserts;
- import jdk.test.lib.Platform;
  
  public class TestCapacityUntilGCWrapAround {
      private static long MB = 1024 * 1024;
      private static long GB = 1024 * MB;
      private static long MAX_UINT = 4 * GB - 1; // On 32-bit platforms
  
      public static void main(String[] args) {
-         if (Platform.is32bit()) {
              WhiteBox wb = WhiteBox.getWhiteBox();
  
              long before = wb.metaspaceCapacityUntilGC();
              // Now force possible overflow of capacity_until_GC.
              long after = wb.incMetaspaceCapacityUntilGC(MAX_UINT);
--- 28,53 ----
   * @key gc
   * @bug 8049831
   * @library /test/lib
   * @modules java.base/jdk.internal.misc
   *          java.management
+  * @requires vm.bits == 32
   * @build sun.hotspot.WhiteBox
   * @run driver ClassFileInstaller sun.hotspot.WhiteBox
   * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI gc.metaspace.TestCapacityUntilGCWrapAround
   */
  
  import sun.hotspot.WhiteBox;
  
  import jdk.test.lib.Asserts;
  
  public class TestCapacityUntilGCWrapAround {
      private static long MB = 1024 * 1024;
      private static long GB = 1024 * MB;
      private static long MAX_UINT = 4 * GB - 1; // On 32-bit platforms
  
      public static void main(String[] args) {
          WhiteBox wb = WhiteBox.getWhiteBox();
  
          long before = wb.metaspaceCapacityUntilGC();
          // Now force possible overflow of capacity_until_GC.
          long after = wb.incMetaspaceCapacityUntilGC(MAX_UINT);
*** 56,62 ****
              Asserts.assertGTE(after, before,
                                "Increasing with MAX_UINT should not cause wrap around: " + after + " < " + before);
              Asserts.assertLTE(after, MAX_UINT,
                                "Increasing with MAX_UINT should not cause value larger than MAX_UINT:" + after);
          }
-     }
  }
--- 55,60 ----