public async Task FlushTest() { using (MemcachedClient client = GetClient()) { for (int i = 0; i < 10; i++) { string cacheKey = $"Hello_Flush_{i}"; Assert.True(await client.StoreAsync(StoreMode.Set, cacheKey, i, DateTime.Now.AddSeconds(30))); } await client.FlushAllAsync(); for (int i = 0; i < 10; i++) { string cacheKey = $"Hello_Flush_{i}"; Assert.Null(await client.GetValueAsync <string>(cacheKey)); } } }