@Test
  public void testStats() {
    String regionName = "testStats";
    int localMaxMemory = 100;
    PartitionedRegion pr = createPR(regionName + 1, localMaxMemory);
    validateStats(pr);
    pr = createPR(regionName + 2, localMaxMemory);
    validateStats(pr);

    if (logger.isDebugEnabled()) {
      logger.debug("PartitionedRegionStatsJUnitTest -  testStats() Completed successfully ... ");
    }
  }
This test verifies that PR statistics are working properly for single/multiple
PartitionedRegions on single node.
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/PartitionedRegionStatsJUnitTest.java