| // (C) Copyright John Maddock 2005. |
| // Use, modification and distribution are subject to the |
| // Boost Software License, Version 1.0. (See accompanying file |
| // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| |
| #ifdef TEST_STD_HEADERS |
| #include <functional> |
| #else |
| #include <boost/tr1/functional.hpp> |
| #endif |
| |
| #include <boost/static_assert.hpp> |
| #include "verify_return.hpp" |
| |
| template <class T> |
| void check_placeholder( T ) |
| { |
| T t; |
| T t2(t); |
| (void)t2; |
| BOOST_STATIC_ASSERT( ::std::tr1::is_placeholder<T>::value > 0 ); |
| } |
| |
| template <class Binder, class R> |
| void check_bind0(Binder b, R r) |
| { |
| BOOST_STATIC_ASSERT(::std::tr1::is_bind_expression<Binder>::value); |
| verify_return_type(b(), r); |
| |
| typedef typename Binder::result_type result_type; |
| BOOST_STATIC_ASSERT((::boost::is_same<result_type, R>::value)); |
| } |
| |
| template <class Binder, class R, class A1> |
| void check_bind1(Binder b, R r, A1 a1) |
| { |
| BOOST_STATIC_ASSERT(::std::tr1::is_bind_expression<Binder>::value); |
| verify_return_type(b(a1), r); |
| } |
| |
| double test_proc(int a, char b, long c) |
| { |
| return a+b+c; |
| } |
| |
| struct from_double |
| { |
| from_double(double){} |
| }; |
| |
| |
| int main() |
| { |
| check_placeholder(std::tr1::placeholders::_1); |
| check_placeholder(std::tr1::placeholders::_2); |
| check_placeholder(std::tr1::placeholders::_3); |
| check_placeholder(std::tr1::placeholders::_4); |
| check_placeholder(std::tr1::placeholders::_5); |
| check_placeholder(std::tr1::placeholders::_6); |
| check_placeholder(std::tr1::placeholders::_7); |
| check_placeholder(std::tr1::placeholders::_8); |
| check_placeholder(std::tr1::placeholders::_9); |
| |
| check_bind0(std::tr1::bind(&test_proc, 0, 0, 0), double(0)); |
| check_bind0(std::tr1::bind<double>(&test_proc, 0, 0, 0), double(0)); |
| check_bind1(std::tr1::bind(&test_proc, 0, 0, std::tr1::placeholders::_1), double(0), 0); |
| check_bind1(std::tr1::bind(&test_proc, std::tr1::placeholders::_1, 0, 0), double(0), 0); |
| |
| check_bind0(std::tr1::bind(test_proc, 0, 0, 0), double(0)); |
| check_bind0(std::tr1::bind<double>(test_proc, 0, 0, 0), double(0)); |
| check_bind1(std::tr1::bind(test_proc, 0, 0, std::tr1::placeholders::_1), double(0), 0); |
| check_bind1(std::tr1::bind(test_proc, std::tr1::placeholders::_1, 0, 0), double(0), 0); |
| |
| check_bind0(std::tr1::bind(std::plus<double>(), 0, 1), double(0)); |
| check_bind0(std::tr1::bind<double>(std::plus<double>(), 1, 0), double(0)); |
| check_bind0(std::tr1::bind<from_double>(std::plus<double>(), 1, 0), from_double(0)); |
| check_bind1(std::tr1::bind(std::plus<double>(), 0, std::tr1::placeholders::_1), double(0), 0); |
| check_bind1(std::tr1::bind(std::plus<double>(), std::tr1::placeholders::_1, 0), double(0), 0); |
| return 0; |
| } |
| |