public MemcachedCacheProviderFactory(IMemcachedProviderConfig config)
 {
     Contract.NotNull(config, nameof(config));
     this.config = config;
 }
        public void Get_Cache_Provider_Null_Config_Throws()
        {
            IMemcachedProviderConfig config = null;

            Assert.Throws <ArgumentNullException>(() => new MemcachedCacheProviderFactory(config));
        }