ceph/src/boost/libs/tr1/test/test_mem_fn_tricky.cpp

   1 //  (C) Copyright John Maddock 2005.
   2 //  Use, modification and distribution are subject to the
   3 //  Boost Software License, Version 1.0. (See accompanying file
   4 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #ifdef TEST_STD_HEADERS
   7 #include <functional>
   8 #else
   9 #include <boost/tr1/functional.hpp>
  10 #endif
  11
  12 #include <boost/static_assert.hpp>
  13 #include <boost/type_traits/is_same.hpp>
  14 #include "verify_functor.hpp"
  15
  16 struct expected_result{};
  17
  18 struct test
  19 {
  20    expected_result field;
  21    expected_result nullary();
  22    expected_result nullary_c()const;
  23    expected_result nullary_v()volatile;
  24    expected_result nullary_cv()const volatile;
  25    expected_result unary(int);
  26    expected_result unary_c(int)const;
  27    expected_result unary_v(int)volatile;
  28    expected_result unary_cv(int)const volatile;
  29 };
  30
  31 int main()
  32 {
  33    verify_field_functor(std::tr1::mem_fn(&test::field), std::unary_function<test const*, const expected_result&>());
  34    verify_field_functor(std::tr1::mem_fn(&test::field), std::unary_function<test*, expected_result&>());
  35    verify_unary_functor(std::tr1::mem_fn(&test::nullary), std::unary_function<test*, expected_result>());
  36    verify_unary_functor(std::tr1::mem_fn(&test::nullary_c), std::unary_function<test const*, expected_result>());
  37    verify_unary_functor(std::tr1::mem_fn(&test::nullary_v), std::unary_function<test volatile*, expected_result>());
  38    verify_unary_functor(std::tr1::mem_fn(&test::nullary_cv), std::unary_function<test const volatile*, expected_result>());
  39
  40    verify_binary_functor(std::tr1::mem_fn(&test::unary), std::binary_function<test*, int, expected_result>());
  41    verify_binary_functor(std::tr1::mem_fn(&test::unary_c), std::binary_function<test const*, int, expected_result>());
  42    verify_binary_functor(std::tr1::mem_fn(&test::unary_v), std::binary_function<test volatile*, int, expected_result>());
  43    verify_binary_functor(std::tr1::mem_fn(&test::unary_cv), std::binary_function<test const volatile*, int, expected_result>());
  44    return 0;
  45 }
  46