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1 | //===----------------------------------------------------------------------===// |
2 | // | |
3 | // The LLVM Compiler Infrastructure | |
4 | // | |
5 | // This file is dual licensed under the MIT and the University of Illinois Open | |
6 | // Source Licenses. See LICENSE.TXT for details. | |
7 | // | |
8 | //===----------------------------------------------------------------------===// | |
9 | // Adaptation to Boost of the libcxx | |
10 | // Copyright 2010 Vicente J. Botet Escriba | |
11 | // Distributed under the Boost Software License, Version 1.0. | |
12 | // See http://www.boost.org/LICENSE_1_0.txt | |
13 | ||
14 | ||
15 | #include <boost/chrono/duration.hpp> | |
16 | #include <boost/type_traits.hpp> | |
17 | #include <limits> | |
18 | ||
19 | #if !defined(BOOST_NO_CXX11_STATIC_ASSERT) | |
20 | #define NOTHING "" | |
21 | #endif | |
22 | ||
23 | template <typename D, int ExpectedDigits, typename ExpectedPeriod> | |
24 | void check_duration() | |
25 | { | |
26 | typedef typename D::rep Rep; | |
27 | typedef typename D::period Period; | |
28 | BOOST_CHRONO_STATIC_ASSERT(boost::is_signed<Rep>::value, NOTHING, ()); | |
29 | BOOST_CHRONO_STATIC_ASSERT(boost::is_integral<Rep>::value, NOTHING, ()); | |
30 | BOOST_CHRONO_STATIC_ASSERT(std::numeric_limits<Rep>::digits >= ExpectedDigits, NOTHING, ()); | |
31 | BOOST_CHRONO_STATIC_ASSERT((boost::is_same<Period, ExpectedPeriod >::value), NOTHING, ()); | |
32 | } | |
33 | ||
34 | void test() | |
35 | { | |
36 | check_duration<boost::chrono::hours, 22, boost::ratio<3600> >(); | |
37 | check_duration<boost::chrono::minutes, 28, boost::ratio<60> >(); | |
38 | check_duration<boost::chrono::seconds, 34, boost::ratio<1> >(); | |
39 | check_duration<boost::chrono::milliseconds, 44, boost::milli >(); | |
40 | check_duration<boost::chrono::microseconds, 54, boost::micro >(); | |
41 | check_duration<boost::chrono::nanoseconds, 63, boost::nano >(); | |
42 | } |