62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
/*=============================================================================
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Copyright (c) 2017 Paul Fultz II
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flip.cpp
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#include <boost/hof/flip.hpp>
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#include <boost/hof/placeholders.hpp>
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#include "test.hpp"
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BOOST_HOF_TEST_CASE()
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{
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BOOST_HOF_TEST_CHECK(3 == boost::hof::flip(boost::hof::_ - boost::hof::_)(2, 5));
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BOOST_HOF_STATIC_TEST_CHECK(3 == boost::hof::flip(boost::hof::_ - boost::hof::_)(2, 5));
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}
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BOOST_HOF_TEST_CASE()
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{
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typedef std::integral_constant<int, 1> one;
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typedef std::integral_constant<int, 2> two;
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typedef std::integral_constant<int, 3> three;
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BOOST_HOF_TEST_CHECK(1 == boost::hof::arg(one{})(1, 2, 3, 4));
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BOOST_HOF_STATIC_TEST_CHECK(1 == boost::hof::arg(one{})(1, 2, 3, 4));
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BOOST_HOF_TEST_CHECK(2 == boost::hof::flip(boost::hof::arg(one{}))(1, 2, 3, 4));
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BOOST_HOF_STATIC_TEST_CHECK(2 == boost::hof::flip(boost::hof::arg(one{}))(1, 2, 3, 4));
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BOOST_HOF_TEST_CHECK(2 == boost::hof::arg(two{})(1, 2, 3, 4));
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BOOST_HOF_STATIC_TEST_CHECK(2 == boost::hof::arg(two{})(1, 2, 3, 4));
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BOOST_HOF_TEST_CHECK(1 == boost::hof::flip(boost::hof::arg(two{}))(1, 2, 3, 4));
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BOOST_HOF_STATIC_TEST_CHECK(1 == boost::hof::flip(boost::hof::arg(two{}))(1, 2, 3, 4));
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BOOST_HOF_TEST_CHECK(3 == boost::hof::arg(three{})(1, 2, 3, 4));
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BOOST_HOF_STATIC_TEST_CHECK(3 == boost::hof::arg(three{})(1, 2, 3, 4));
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BOOST_HOF_TEST_CHECK(3 == boost::hof::flip(boost::hof::arg(three{}))(1, 2, 3, 4));
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BOOST_HOF_STATIC_TEST_CHECK(3 == boost::hof::flip(boost::hof::arg(three{}))(1, 2, 3, 4));
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}
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#if defined(__GNUC__) && !defined (__clang__) && __GNUC__ == 4 && __GNUC_MINOR__ < 7
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#define FINAL
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#else
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#define FINAL final
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#endif
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struct f FINAL {
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int operator()(int i, void *) const {
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return i;
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}
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};
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#if BOOST_HOF_HAS_NOEXCEPT_DEDUCTION
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BOOST_HOF_TEST_CASE()
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{
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static_assert(boost::hof::flip(boost::hof::_ - boost::hof::_)(2, 5), "noexcept flip");
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}
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#endif
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BOOST_HOF_TEST_CASE()
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{
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BOOST_HOF_TEST_CHECK(boost::hof::flip(f())(nullptr, 2) == 2);
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}
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