t.Fatalf("value differs from expected")
	}
	val, ok = lc.Get("key1")
	if val != "" {
		t.Fatalf("should be empty")
	}
	if ok {
		t.Fatalf("should be false")
	}
}

func TestLoadingExpired(t *testing.T) {
	lc := lru.NewLRU[string, string](0, nil, time.Millisecond*5)

	lc.Add("key1", "val1")
	if lc.Len() != 1 {
		t.Fatalf("length differs from expected")
	}

	v, ok := lc.Peek("key1")