projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
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 | #ifndef BOOST_TR1_VERIFY_FUNCTOR_HPP | |
| 7 | #define BOOST_TR1_VERIFY_FUNCTOR_HPP | |
| 8 | ||
| 9 | #include <boost/type_traits/is_base_and_derived.hpp> | |
| 10 | #include <boost/type_traits/is_same.hpp> | |
| 11 | #include <boost/type_traits/remove_reference.hpp> | |
| 12 | #include <boost/static_assert.hpp> | |
| 13 | #include "verify_return.hpp" | |
| 14 | ||
| 15 | template <class F, class R> | |
| 16 | void verify_nullary_functor(F f, R) | |
| 17 | { | |
| 18 | verify_return_type(f(), R()); | |
| 19 | } | |
| 20 | ||
| 21 | template <class F, class B> | |
| 22 | void verify_unary_functor(F f, B) | |
| 23 | { | |
| 24 | #ifndef NO_INHERT_TEST | |
| 25 | BOOST_STATIC_ASSERT( (::boost::is_base_and_derived<B, F>::value)); | |
| 26 | #endif | |
| 27 | typedef typename B::argument_type arg_type; | |
| 28 | typedef typename B::result_type result_type; | |
| 29 | typedef typename F::argument_type b_arg_type; | |
| 30 | typedef typename F::result_type b_result_type; | |
| 31 | BOOST_STATIC_ASSERT((::boost::is_same<arg_type, b_arg_type>::value)); | |
| 32 | BOOST_STATIC_ASSERT((::boost::is_same<result_type, b_result_type>::value)); | |
| 33 | static arg_type a; | |
| 34 | ||
| 35 | typedef typename boost::remove_reference<result_type>::type result_value; | |
| 36 | verify_return_type(f(a), result_value()); | |
| 37 | } | |
| 38 | ||
| 39 | template <class F, class B> | |
| 40 | void verify_field_functor(F f, B) | |
| 41 | { | |
| 42 | // same as verify_unary_functor, but no nested result_type | |
| 43 | // because it depends on the argument type. | |
| 44 | typedef typename B::argument_type arg_type; | |
| 45 | typedef typename B::result_type result_type; | |
| 46 | static arg_type a; | |
| 47 | ||
| 48 | typedef typename boost::remove_reference<result_type>::type result_value; | |
| 49 | verify_return_type(f(a), result_value()); | |
| 50 | result_type r = f(a); | |
| 51 | (void)r; | |
| 52 | } | |
| 53 | ||
| 54 | ||
| 55 | template <class F, class B> | |
| 56 | void verify_binary_functor(F f, B) | |
| 57 | { | |
| 58 | #ifndef NO_INHERT_TEST | |
| 59 | BOOST_STATIC_ASSERT( (::boost::is_base_and_derived<B, F>::value)); | |
| 60 | #endif | |
| 61 | typedef typename B::first_argument_type b_arg1_type; | |
| 62 | typedef typename B::second_argument_type b_arg2_type; | |
| 63 | typedef typename B::result_type b_result_type; | |
| 64 | typedef typename F::first_argument_type arg1_type; | |
| 65 | typedef typename F::second_argument_type arg2_type; | |
| 66 | typedef typename F::result_type result_type; | |
| 67 | BOOST_STATIC_ASSERT((::boost::is_same<arg1_type, b_arg1_type>::value)); | |
| 68 | BOOST_STATIC_ASSERT((::boost::is_same<arg2_type, b_arg2_type>::value)); | |
| 69 | BOOST_STATIC_ASSERT((::boost::is_same<result_type, b_result_type>::value)); | |
| 70 | static arg1_type a; | |
| 71 | static arg2_type b; | |
| 72 | verify_return_type(f(a, b), result_type()); | |
| 73 | } | |
| 74 | ||
| 75 | #endif | |
| 76 |