95   using Fn = ForwardingCallObject;  in test_call_operator_forwarding()  typedef
96   Fn obj{};  in test_call_operator_forwarding()
97   const Fn &cobj = obj;  in test_call_operator_forwarding()
100     assert(Fn::check_call<>(CT_NonConst | CT_LValue));  in test_call_operator_forwarding()
102     assert(Fn::check_call<>(CT_Const | CT_LValue));  in test_call_operator_forwarding()
104     assert(Fn::check_call<>(CT_NonConst | CT_RValue));  in test_call_operator_forwarding()
106     assert(Fn::check_call<>(CT_Const | CT_RValue));  in test_call_operator_forwarding()
112     assert(Fn::check_call<int &>(CT_NonConst | CT_LValue));  in test_call_operator_forwarding()
114     assert(Fn::check_call<int &>(CT_Const | CT_LValue));  in test_call_operator_forwarding()
116     assert(Fn::check_call<int &>(CT_NonConst | CT_RValue));  in test_call_operator_forwarding()
118     assert(Fn::check_call<int &>(CT_Const | CT_RValue));  in test_call_operator_forwarding()
124     assert(Fn::check_call<long &>(CT_NonConst | CT_LValue));  in test_call_operator_forwarding()
126     assert(Fn::check_call<long &>(CT_Const | CT_LValue));  in test_call_operator_forwarding()
128     assert(Fn::check_call<long &>(CT_NonConst | CT_RValue));  in test_call_operator_forwarding()
130     assert(Fn::check_call<long &>(CT_Const | CT_RValue));  in test_call_operator_forwarding()
138     assert((Fn::check_call<long &, std::string &>(CT_NonConst | CT_LValue)));  in test_call_operator_forwarding()
140     assert((Fn::check_call<long &, std::string &>(CT_Const | CT_LValue)));  in test_call_operator_forwarding()
142     assert((Fn::check_call<long &, std::string &>(CT_NonConst | CT_RValue)));  in test_call_operator_forwarding()
144     assert((Fn::check_call<long &, std::string &>(CT_Const | CT_RValue)));  in test_call_operator_forwarding()
149   using Fn = ForwardingCallObject;  in test_argument_forwarding()  typedef
150   Fn obj{};  in test_argument_forwarding()
157     assert(Fn::check_call<int &>(Val));  in test_argument_forwarding()
159     assert(Fn::check_call<const int &>(Val));  in test_argument_forwarding()
161     assert(Fn::check_call<int &&>(Val));  in test_argument_forwarding()
163     assert(Fn::check_call<const int &&>(Val));  in test_argument_forwarding()
172     assert(Fn::check_call<int &>(Val));  in test_argument_forwarding()
174     assert(Fn::check_call<int &>(Val));  in test_argument_forwarding()
176     assert(Fn::check_call<int &>(Val));  in test_argument_forwarding()
178     assert(Fn::check_call<int &>(Val));  in test_argument_forwarding()
186     assert(Fn::check_call<int &>(Val));  in test_argument_forwarding()
188     assert(Fn::check_call<int &>(Val));  in test_argument_forwarding()
190     assert(Fn::check_call<int &&>(Val));  in test_argument_forwarding()
192     assert(Fn::check_call<int &&>(Val));  in test_argument_forwarding()
206     assert((Fn::check_call<int &, S, long &>(Val)));  in test_argument_forwarding()
208     assert((Fn::check_call<const int &, S, long &&>(Val)));  in test_argument_forwarding()