public async Task should_load_incrementally_from_an_existing_storage()
        {
            var storage = new MemoryStorage();
            await Task.WhenAll(Enumerable.Range(0, 8).Select(x => storage.Put(new TestStorageObject(x))));

            var collection = new StorageCollection<TestStorageObject>(storage, "0", "6");
            Assert.True(collection.HasMoreItems);
            Assert.Equal(0, collection.Count);

            await collection.LoadMoreItemsAsync(2);

            Assert.Equal(2, collection.Count);
            Assert.Equal(collection.Select(e => e.Id), Enumerable.Range(0, 2).Select(i => i.ToString()));

            await collection.LoadMoreItemsAsync(2);

            Assert.Equal(4, collection.Count);
            Assert.Equal(collection.Select(e => e.Id), Enumerable.Range(0, 4).Select(i => i.ToString()));

            Assert.False(collection.IsLoading);
            Assert.True(collection.HasMoreItems);

            await collection.LoadMoreItemsAsync(10);
            Assert.Equal(6, collection.Count);
            Assert.False(collection.HasMoreItems);
            Assert.Equal(collection.Select(e => e.Id), Enumerable.Range(0, 6).Select(i => i.ToString()));
        }
        public async Task should_load_all_items()
        {
            var storage = new MemoryStorage();
            await Task.WhenAll(Enumerable.Range(0, 8).Select(x => storage.Put(new TestStorageObject(x))));

            var collection = new StorageCollection<TestStorageObject>(storage, "0", "6");
            Assert.True(collection.HasMoreItems);
            Assert.Equal(0, collection.Count);

            await collection.LoadAllAsync(2);

            Assert.Equal(6, collection.Count);
            Assert.False(collection.HasMoreItems);
            Assert.Equal(collection.Select(e => e.Id), Enumerable.Range(0, 6).Select(i => i.ToString()));
        }