test/testlibrary/whitebox/sun/hotspot/WhiteBox.java

rev 6722 : 8049599: MetaspaceGC::_capacity_until_GC can overflow
Reviewed-by: jmasa, stefank

@@ -150,10 +150,12 @@
 
   // Memory
   public native void readReservedMemory();
   public native long allocateMetaspace(ClassLoader classLoader, long size);
   public native void freeMetaspace(ClassLoader classLoader, long addr, long size);
+  public native long incMetaspaceCapacityUntilGC(long increment);
+  public native long metaspaceCapacityUntilGC();
 
   // force Young GC
   public native void youngGC();
 
   // force Full GC