@Test
public void testCumulusCache()
{

    CumulusCache<String> stringCache = new CumulusCache<String>();
    assertNotNull( stringCache );
    stringCache.set( s1, "Cached item" );
    assertFalse( stringCache.isStale( s1 ) );
    assertNotNull( stringCache.get( s1 ) );
    assertNull( stringCache.get( s2 ) );
    stringCache.setExpiry( 1200 );
    stringCache.setStale( s1 );
    assertTrue( stringCache.isStale( s1 ) );
}