libstdc++-v3/testsuite/20_util/bind/refqual.cc

   1 // Copyright (C) 2014-2017 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do run { target c++11 } }
  19
  20 #include <functional>
  21 #include <testsuite_hooks.h>
  22
  23 struct X
  24 {
  25   int f() const& noexcept { return 0; }
  26   int g(int i, ...)& noexcept { return i; }
  27 };
  28
  29 void
  30 test01()
  31 {
  32   X x;
  33   auto b = std::bind(&X::f, &x);
  34   VERIFY( b() == 0 );
  35   auto bb = std::bind(&X::g, &x, 1, 2);
  36   VERIFY( bb() == 1 );
  37
  38   // Check for weak result types:
  39   using T1 = decltype(b)::result_type;
  40   using T2 = decltype(bb)::result_type;
  41 }
  42
  43 int
  44 main()
  45 {
  46   test01();
  47 }