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Diffstat (limited to 'src/boost/libs/hof/test/rotate.cpp')
-rw-r--r-- | src/boost/libs/hof/test/rotate.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/boost/libs/hof/test/rotate.cpp b/src/boost/libs/hof/test/rotate.cpp new file mode 100644 index 00000000..13f15806 --- /dev/null +++ b/src/boost/libs/hof/test/rotate.cpp @@ -0,0 +1,71 @@ +/*============================================================================= + Copyright (c) 2017 Paul Fultz II + rotate.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/rotate.hpp> +#include <boost/hof/placeholders.hpp> +#include <boost/hof/compose.hpp> +#include <boost/hof/repeat.hpp> +#include "test.hpp" + +struct head +{ + template<class T, class... Ts> + constexpr T operator()(T x, Ts&&...) const + BOOST_HOF_RETURNS_DEDUCE_NOEXCEPT(x) + { + return x; + } +}; + +#if BOOST_HOF_HAS_NOEXCEPT_DEDUCTION +BOOST_HOF_TEST_CASE() +{ + static_assert(noexcept(boost::hof::rotate(head{})(1, 2, 3, 4)), "noexcept rotate"); + static_assert(noexcept(boost::hof::repeat(std::integral_constant<int, 5>{})(boost::hof::rotate)(head{})(1, 2, 3, 4, 5, 6, 7, 8, 9)), "noexcept rotate"); +} +#endif + +BOOST_HOF_TEST_CASE() +{ + BOOST_HOF_TEST_CHECK(2 == boost::hof::rotate(head{})(1, 2, 3, 4)); + BOOST_HOF_STATIC_TEST_CHECK(2 == boost::hof::rotate(head{})(1, 2, 3, 4)); +} + +BOOST_HOF_TEST_CASE() +{ + BOOST_HOF_TEST_CHECK(3 == boost::hof::compose(boost::hof::rotate, boost::hof::rotate)(head{})(1, 2, 3, 4)); + BOOST_HOF_STATIC_TEST_CHECK(3 == boost::hof::compose(boost::hof::rotate, boost::hof::rotate)(head{})(1, 2, 3, 4)); +} + +BOOST_HOF_TEST_CASE() +{ + BOOST_HOF_TEST_CHECK(6 == boost::hof::repeat(std::integral_constant<int, 5>{})(boost::hof::rotate)(head{})(1, 2, 3, 4, 5, 6, 7, 8, 9)); + BOOST_HOF_STATIC_TEST_CHECK(6 == boost::hof::repeat(std::integral_constant<int, 5>{})(boost::hof::rotate)(head{})(1, 2, 3, 4, 5, 6, 7, 8, 9)); +} + +BOOST_HOF_TEST_CASE() +{ + BOOST_HOF_TEST_CHECK(3 == boost::hof::rotate(boost::hof::_ - boost::hof::_)(2, 5)); + BOOST_HOF_STATIC_TEST_CHECK(3 == boost::hof::rotate(boost::hof::_ - boost::hof::_)(2, 5)); +} + +#if defined(__GNUC__) && !defined (__clang__) && __GNUC__ == 4 && __GNUC_MINOR__ < 7 +#define FINAL +#else +#define FINAL final +#endif + + +struct f FINAL { + int operator()(int i, void *) const { + return i; + } +}; + +BOOST_HOF_TEST_CASE() +{ + BOOST_HOF_TEST_CHECK(boost::hof::rotate(f())(nullptr, 2) == 2); +} |