expectNotEntry(t, c, "elem1")
	expectEntry(t, c, "elem2", "2")
	expectEntry(t, c, "elem3", "3")
	expectEntry(t, c, "elem4", "4")
	expectEntry(t, c, "elem5", "5")
}

func TestAddBringsToFront(t *testing.T) {
	c := NewLRUExpireCache(4)
	c.Add("elem1", "1", 10*time.Hour)
	c.Add("elem2", "2", 10*time.Hour)
	c.Add("elem3", "3", 10*time.Hour)
	c.Add("elem4", "4", 10*time.Hour)