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