t.Fatalf("case[%v]: Expected key.Extension: %v, got %v", i, testCase.expectedKey.Extension, key.Extension)
		}
		if testCase.expectedKey.ItemCount != key.ItemCount {
			t.Fatalf("case[%v]: Expected key.ItemCount: %v, got %v", i, testCase.expectedKey.ItemCount, key.ItemCount)
		}
		if testCase.expectedKey.String() != key.String() {

		t.Fatalf("expected len(store.List())=1; but got %v", len(keys))
	}
	key := keys[0]
	if !key.Compress {
		t.Fatal("expected key.Compress=true; but got false")
	}
	if key.ItemCount != int(limit) {
		t.Fatalf("expected key.ItemCount=%d; but got %v", limit, key.ItemCount)
	}
	items, err := store.GetMultiple(key)
	if err != nil {
		t.Fatalf("unable to read key %v; %v", key.String(), err)
	}
	if len(items) != int(limit) {

}

// Key denotes the key present in the store.
type Key struct {
	Name      string
	Compress  bool
	Extension string
	ItemCount int
}

// String returns the filepath name
func (k Key) String() string {
	keyStr := k.Name
	if k.ItemCount > 1 {
		keyStr = fmt.Sprintf("%d:%s", k.ItemCount, k.Name)
	}
	return keyStr + k.Extension + func() string {
		if k.Compress {
			return compressExt
		}
		return ""
	}()

		t.Fatalf("expected len(keys)=1, but found %d", len(keys))
	}

	key := keys[0]
	if !key.Compress {
		t.Fatal("expected the item to be compressed")
	}
	if key.ItemCount != 10 {
		t.Fatalf("expected itemcount=10 but found %v", key.ItemCount)
	}

	resultItems, err := store.GetMultiple(key)
	if err != nil {
		t.Fatalf("unable to get multiple items; %v", err)
	}

	if !reflect.DeepEqual(resultItems, items) {

		return Key{}, err
	}

	store.Lock()
	defer store.Unlock()
	if uint64(len(store.entries)) >= store.entryLimit {
		return Key{}, errLimitExceeded
	}
	key := Key{
		Name:      uid.String(),
		ItemCount: len(items),
		Compress:  true,
		Extension: store.fileExt,
	}
	return key, store.multiWrite(key, items)
}

// multiWrite - writes an item to the directory.