public void Test_DictionaryExtension_Import() { _Dic2.Add("a", 1); _Dic2.Add("b", 2); _Dic2.Add("c", 3); _Dic2.Add("d", 4); Dictionary<string, int> nv = new Dictionary<string, int>(); nv.Import(_Dic2); nv.ShouldBeExtaclyTheSame(_Dic2); }