indirect.cpp
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/*=============================================================================
Copyright (c) 2017 Paul Fultz II
indirect.cpp
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/hof/indirect.hpp>
#include "test.hpp"
BOOST_HOF_TEST_CASE()
{
BOOST_HOF_TEST_CHECK(3 == boost::hof::indirect(std::unique_ptr<binary_class>(new binary_class()))(1, 2));
BOOST_HOF_TEST_CHECK(3 == boost::hof::reveal(boost::hof::indirect(std::unique_ptr<binary_class>(new binary_class())))(1, 2));
binary_class f;
BOOST_HOF_TEST_CHECK(3 == boost::hof::indirect(&f)(1, 2));
BOOST_HOF_TEST_CHECK(3 == boost::hof::reveal(boost::hof::indirect(&f))(1, 2));
}
#if BOOST_HOF_HAS_NOEXCEPT_DEDUCTION
BOOST_HOF_TEST_CASE()
{
binary_class f;
static_assert(noexcept(boost::hof::indirect(&f)(1, 2)), "noexcept indirect");
}
#endif
struct mutable_function
{
mutable_function() : value(0) {}
void operator()(int a) { value += a; }
int value;
};
BOOST_HOF_TEST_CASE()
{
auto mf = mutable_function{};
boost::hof::indirect(&mf)(15);
boost::hof::indirect(&mf)(2);
BOOST_HOF_TEST_CHECK(mf.value == 17);
}
BOOST_HOF_TEST_CASE()
{
auto mf = std::make_shared<mutable_function>();
boost::hof::indirect(mf)(15);
boost::hof::indirect(mf)(2);
BOOST_HOF_TEST_CHECK(mf->value == 17);
}