libcxx

libcxx mirror with random patches
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invoke_int_0.pass.cpp (1262B)


      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // UNSUPPORTED: c++98, c++03
     11 
     12 // <functional>
     13 
     14 // template<CopyConstructible Fn, CopyConstructible... Types>
     15 //   unspecified bind(Fn, Types...);
     16 // template<Returnable R, CopyConstructible Fn, CopyConstructible... Types>
     17 //   unspecified bind(Fn, Types...);
     18 
     19 #include <functional>
     20 #include <cassert>
     21 
     22 template <class R, class F>
     23 void
     24 test(F f, R expected)
     25 {
     26     assert(f() == expected);
     27 }
     28 
     29 template <class R, class F>
     30 void
     31 test_const(const F& f, R expected)
     32 {
     33     assert(f() == expected);
     34 }
     35 
     36 int f() {return 1;}
     37 
     38 struct A_int_0
     39 {
     40     int operator()() {return 4;}
     41     int operator()() const {return 5;}
     42 };
     43 
     44 int main()
     45 {
     46     test(std::bind(f), 1);
     47     test(std::bind(&f), 1);
     48     test(std::bind(A_int_0()), 4);
     49     test_const(std::bind(A_int_0()), 5);
     50 
     51     test(std::bind<int>(f), 1);
     52     test(std::bind<int>(&f), 1);
     53     test(std::bind<int>(A_int_0()), 4);
     54     test_const(std::bind<int>(A_int_0()), 5);
     55 }