public void TestDic_Equality() { IEquatable <BiDictionary <int, string> > dic1 = new BiDictionary <int, string>() { { 1, "one" } }; BiDictionary <int, string> dic2 = new BiDictionary <int, string>() { { 1, "one" } }; Assert.True(dic1.Equals(dic2)); }