@Test
  public void doesNotEvictRecentlyUsedEntryIfUnderLimit() throws Exception {
    nodes.get(0).setRecentlyUsed(region);
    assertThat(evictionList.getEvictableEntry()).isSameAs(nodes.get(1));
    assertThat(evictionList.size()).isEqualTo(9);
  }
This class tests the LRUCapacityController's core clock algorithm.
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/eviction/LRUListWithAsyncSortingIntegrationTest.java