public void Cache_key_comparison_when_null_index_map() { var typedRelationalValueBufferFactoryFactory = new TypedRelationalValueBufferFactoryFactory(); var factory1 = typedRelationalValueBufferFactoryFactory.Create(new[] { typeof(string) }, new[] { 42 }); Assert.NotNull(factory1); var factory2 = typedRelationalValueBufferFactoryFactory.Create(new[] { typeof(string) }, null); Assert.NotSame(factory1, factory2); }