@Test public void testLFU() { CacheService cs = getCache(); double result0 = cs.esLFU(0); double result1 = cs.esLFU(1); for (int n = 2; n < 6; n++) { cs.esLFU(0); assertTrue(cs.esLFU(n) == cs.esLFU(n)); } assertTrue(result0 == cs.esLFU(0)); assertTrue(result1 != cs.esLFU(1)); }