@Test
  public void testFillPatternAdvancedForHugeAllocations() throws Exception {
    doFillPatternAdvancedTest(() -> HUGE_CHUNK_SIZE);
  }
This test hammers a MemoryAllocatorImpl with multiple threads exercising the fill validation of
huge Chunks for one minute. This, of course, exercises many aspects of the MemoryAllocatorImpl
and its helper classes.
geode-core/src/integrationTest/java/org/apache/geode/internal/offheap/MemoryAllocatorFillPatternIntegrationTest.java