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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/detail/lightweight_test.hpp>
- #include "../rep.h"
- #include <iostream>
- #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 D>
- void
- check_default()
- {
- {
- D d;
- BOOST_TEST(d.count() == typename D::rep());
- }
- }
- template <class D>
- void
- check_constexpr()
- {
- BOOST_CONSTEXPR D d(0);
- BOOST_CONSTEXPR_ASSERT(d.count() == typename D::rep());
- }
- template <class D, class R>
- void
- check_from_rep(R r)
- {
- {
- D d(r);
- BOOST_TEST(d.count() == r);
- }
- }
- int main()
- {
- // exact conversions allowed for integral reps
- {
- boost::chrono::milliseconds ms(1);
- boost::chrono::microseconds us = ms;
- BOOST_TEST(us.count() == 1000);
- {
- BOOST_CONSTEXPR boost::chrono::milliseconds ms(1);
- BOOST_CONSTEXPR boost::chrono::microseconds us = ms;
- BOOST_CONSTEXPR_ASSERT(us.count() == 1000);
- }
- }
- // inexact conversions allowed for floating point reps
- {
- boost::chrono::duration<double, boost::micro> us(1);
- boost::chrono::duration<double, boost::milli> ms = us;
- BOOST_TEST(ms.count() == 1./1000);
- {
- BOOST_CONSTEXPR boost::chrono::duration<double, boost::micro> us(1);
- BOOST_CONSTEXPR boost::chrono::duration<double, boost::milli> ms = us;
- BOOST_CONSTEXPR_ASSERT(ms.count() == 1./1000);
- }
- }
- // Convert int to float
- {
- boost::chrono::duration<int> i(3);
- boost::chrono::duration<double> d = i;
- BOOST_TEST(d.count() == 3);
- {
- BOOST_CONSTEXPR boost::chrono::duration<int> i(3);
- BOOST_CONSTEXPR boost::chrono::duration<double> d = i;
- BOOST_CONSTEXPR_ASSERT(d.count() == 3);
- }
- }
- // default constructor
- {
- check_default<boost::chrono::duration<Rep> >();
- }
- {
- check_constexpr<boost::chrono::duration<int> >();
- }
- // constructor from rep
- {
- check_from_rep<boost::chrono::duration<int> >(5);
- {
- BOOST_CONSTEXPR boost::chrono::duration<int> d(5);
- BOOST_CONSTEXPR_ASSERT(d.count() == 5);
- }
- check_from_rep<boost::chrono::duration<int, boost::ratio<3, 2> > >(5);
- {
- BOOST_CONSTEXPR boost::chrono::duration<int, boost::ratio<3, 2> > d(5);
- BOOST_CONSTEXPR_ASSERT(d.count() == 5);
- }
- check_from_rep<boost::chrono::duration<Rep, boost::ratio<3, 2> > >(Rep(3));
- {
- BOOST_CONSTEXPR boost::chrono::duration<Rep, boost::ratio<3, 2> > d(Rep(3));
- BOOST_CONSTEXPR_ASSERT(d.count() == Rep(3));
- }
- check_from_rep<boost::chrono::duration<double, boost::ratio<2, 3> > >(5.5);
- {
- BOOST_CONSTEXPR boost::chrono::duration<double, boost::ratio<3, 2> > d(5.5);
- BOOST_CONSTEXPR_ASSERT(d.count() == 5.5);
- }
- }
- // constructor from other rep
- {
- boost::chrono::duration<double> d(5);
- BOOST_TEST(d.count() == 5);
- {
- BOOST_CONSTEXPR boost::chrono::duration<double> d(5);
- BOOST_CONSTEXPR_ASSERT(d.count() == 5);
- }
- }
- return boost::report_errors();
- }
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