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- //===----------------------------------------------------------------------===//
- //
- // The LLVM Compiler Infrastructure
- //
- // This file is dual licensed under the MIT and the University of Illinois Open
- // Source Licenses. See LICENSE.TXT for details.
- //
- //===----------------------------------------------------------------------===//
- // Adaptation to Boost of the libcxx
- // Copyright 2010 Vicente J. Botet Escriba
- // Distributed under the Boost Software License, Version 1.0.
- // See http://www.boost.org/LICENSE_1_0.txt
- #include <boost/chrono/duration.hpp>
- #include <boost/type_traits.hpp>
- #include <boost/detail/lightweight_test.hpp>
- #if !defined(BOOST_NO_CXX11_STATIC_ASSERT)
- #define NOTHING ""
- #endif
- #ifdef BOOST_NO_CXX11_CONSTEXPR
- #define BOOST_CONSTEXPR_ASSERT(C) BOOST_TEST(C)
- #else
- #include <boost/static_assert.hpp>
- #define BOOST_CONSTEXPR_ASSERT(C) BOOST_STATIC_ASSERT(C)
- #endif
- template <class ToDuration, class FromDuration>
- void
- test(const FromDuration& f, const ToDuration& d)
- {
- //~ #if defined(BOOST_NO_CXX11_DECLTYPE)
- //~ typedef BOOST_TYPEOF_TPL(boost::chrono::duration_cast<ToDuration>(f)) R;
- //~ #else
- //~ typedef decltype(boost::chrono::duration_cast<ToDuration>(f)) R;
- //~ #endif
- //~ BOOST_CHRONO_STATIC_ASSERT((boost::is_same<R, ToDuration>::value), NOTHING, (R, ToDuration));
- BOOST_TEST(boost::chrono::duration_cast<ToDuration>(f) == d);
- }
- int main()
- {
- test(boost::chrono::milliseconds(7265000), boost::chrono::hours(2));
- test(boost::chrono::milliseconds(7265000), boost::chrono::minutes(121));
- test(boost::chrono::milliseconds(7265000), boost::chrono::seconds(7265));
- test(boost::chrono::milliseconds(7265000), boost::chrono::milliseconds(7265000));
- test(boost::chrono::milliseconds(7265000), boost::chrono::microseconds(7265000000LL));
- test(boost::chrono::milliseconds(7265000), boost::chrono::nanoseconds(7265000000000LL));
- test(boost::chrono::milliseconds(7265000),
- boost::chrono::duration<double, boost::ratio<3600> >(7265./3600));
- test(boost::chrono::duration<int, boost::ratio<2, 3> >(9),
- boost::chrono::duration<int, boost::ratio<3, 5> >(10));
- {
- BOOST_CONSTEXPR boost::chrono::hours h = boost::chrono::duration_cast<boost::chrono::hours>(boost::chrono::milliseconds(7265000));
- BOOST_CONSTEXPR_ASSERT(h.count() == 2);
- }
- return boost::report_errors();
- }
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