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/*=============================================================================
Copyright (c) 1999-2003 Jaakko Jarvi
Copyright (c) 2001-2011 Joel de Guzman
Distributed under 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)
==============================================================================*/
#include <boost/detail/lightweight_test.hpp>
#include <boost/fusion/sequence/intrinsic/at.hpp>
#include <boost/fusion/sequence/comparison/equal_to.hpp>
#include <string>
#if !defined(FUSION_AT)
#define FUSION_AT at_c
#endif
#if !defined(FUSION_MAKE)
#define FUSION_MAKE BOOST_PP_CAT(make_, FUSION_SEQUENCE)
#endif
namespace test_detail
{
// something to prevent warnings for unused variables
template<class T> void dummy(const T&) {}
class A {};
class B {};
}
void make_tuple_test() {}
void
test()
{
using namespace boost::fusion;
using namespace test_detail;
{
FUSION_SEQUENCE<int, char> t1 = FUSION_MAKE(5, 'a');
BOOST_TEST(FUSION_AT<0>(t1) == 5);
BOOST_TEST(FUSION_AT<1>(t1) == 'a');
FUSION_SEQUENCE<int, std::string> t2;
t2 = FUSION_MAKE((short int)2, std::string("Hi"));
BOOST_TEST(FUSION_AT<0>(t2) == 2);
BOOST_TEST(FUSION_AT<1>(t2) == "Hi");
}
{ // This test was previously disallowed for non-PTS compilers.
A a = A(); B b;
const A ca = a;
FUSION_MAKE(boost::cref(a), b);
FUSION_MAKE(boost::ref(a), b);
FUSION_MAKE(boost::ref(a), boost::cref(b));
FUSION_MAKE(boost::ref(ca));
}
{ // the result of make_xxx is assignable:
BOOST_TEST(FUSION_MAKE(2, 4, 6) ==
(FUSION_MAKE(1, 2, 3) = FUSION_MAKE(2, 4, 6)));
}
{ // This test was previously disallowed for non-PTS compilers.
FUSION_MAKE("Donald", "Daisy"); // should work;
// std::make_pair("Doesn't","Work"); // fails
}
{
// You can store a reference to a function in a sequence
FUSION_SEQUENCE<void(&)()> adf(make_tuple_test);
dummy(adf); // avoid warning for unused variable
}
#if defined(FUSION_TEST_FAIL)
{
// But make_xxx doesn't work
// with function references, since it creates a const
// qualified function type
FUSION_MAKE(make_tuple_test);
}
#endif
{
// With function pointers, make_xxx works just fine
FUSION_MAKE(&make_tuple_test);
}
}
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