test/hotspot/jtreg/gc/epsilon/TestMemoryMXBeans.java

8217389: JTREG: Clean up, remove unused variable warnings

*** 55,66 ****
  
      public static void testMemoryBean(long initSize, long maxSize) {
          MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
          long heapInit = memoryMXBean.getHeapMemoryUsage().getInit();
          long heapMax = memoryMXBean.getHeapMemoryUsage().getMax();
!         long nonHeapInit = memoryMXBean.getNonHeapMemoryUsage().getInit();
!         long nonHeapMax = memoryMXBean.getNonHeapMemoryUsage().getMax();
  
          if (initSize > 0 && heapInit != initSize) {
              throw new IllegalStateException("Init heap size is wrong: " + heapInit + " vs " + initSize);
          }
          if (maxSize > 0 && heapMax != maxSize) {
--- 55,66 ----
  
      public static void testMemoryBean(long initSize, long maxSize) {
          MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
          long heapInit = memoryMXBean.getHeapMemoryUsage().getInit();
          long heapMax = memoryMXBean.getHeapMemoryUsage().getMax();
!         memoryMXBean.getNonHeapMemoryUsage().getInit(); // value not used
!         memoryMXBean.getNonHeapMemoryUsage().getMax();  // value not used
  
          if (initSize > 0 && heapInit != initSize) {
              throw new IllegalStateException("Init heap size is wrong: " + heapInit + " vs " + initSize);
          }
          if (maxSize > 0 && heapMax != maxSize) {