ceph/src/boost/libs/thread/test/functional/invoke/invoke_int_0_pass.cpp

   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 // Copyright (C) 2014 Vicente J. Botet Escriba
  11 //
  12 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
  13 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  14
  15 // <boost/thread/detail/invoke.hpp>
  16
  17 #include <boost/thread/detail/invoke.hpp>
  18 #include <boost/detail/lightweight_test.hpp>
  19
  20 int f()
  21 {
  22   return 1;
  23 }
  24
  25 struct A_int_0
  26 {
  27   A_int_0()
  28   {
  29   }
  30   int operator()()
  31   {
  32     return 4;
  33   }
  34   int operator()() const
  35   {
  36     return 5;
  37   }
  38 };
  39
  40
  41 int main()
  42 {
  43   const A_int_0 ca;
  44   A_int_0 a;
  45
  46 #if defined BOOST_THREAD_PROVIDES_INVOKE
  47   BOOST_TEST_EQ(boost::detail::invoke(f), 1);
  48   BOOST_TEST_EQ(boost::detail::invoke(&f), 1);
  49   BOOST_TEST_EQ(boost::detail::invoke(A_int_0()), 4);
  50   BOOST_TEST_EQ(boost::detail::invoke(a), 4);
  51   BOOST_TEST_EQ(boost::detail::invoke(ca), 5);
  52 #endif
  53
  54   BOOST_TEST_EQ(boost::detail::invoke<int>(f), 1);
  55   BOOST_TEST_EQ(boost::detail::invoke<int>(&f), 1);
  56   BOOST_TEST_EQ(A_int_0()(), 4);
  57 #if defined BOOST_THREAD_PROVIDES_INVOKE || ! defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
  58   BOOST_TEST_EQ(boost::detail::invoke<int>(A_int_0()), 4);
  59 #else
  60   //BOOST_TEST_EQ(boost::detail::invoke<int>(A_int_0()), 5);
  61 #endif
  62   BOOST_TEST_EQ(a(), 4);
  63   BOOST_TEST_EQ(boost::detail::invoke<int>(a), 4);
  64   BOOST_TEST_EQ(ca(), 5);
  65   BOOST_TEST_EQ(boost::detail::invoke<int>(ca), 5);
  66
  67   return boost::report_errors();
  68 }