lc.Add("key1", &newVal)

	value, exists = lc.Get("key1")
	if value != &newVal || !exists {
		t.Fatalf("unexpected value or existence flag for key1: value=%v, exists=%v", value, exists)
	}
}

func TestLRU_Values(t *testing.T) {
	lc := lru.NewLRU[string, string](3, nil, 0)

	lc.Add("key1", "val1")
	lc.Add("key2", "val2")
	lc.Add("key3", "val3")

	values := lc.Values()