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// duration
15// Test default template arg:
16
17// template <class Rep, class Period = ratio<1>>
18// class duration;
19
20#include <boost/chrono/duration.hpp>
21#include <boost/type_traits.hpp>
22#if !defined(BOOST_NO_CXX11_STATIC_ASSERT)
23#define NOTHING ""
24#endif
25
26BOOST_CHRONO_STATIC_ASSERT((boost::is_same<
27 boost::chrono::duration<int, boost::ratio<1> >,
28 boost::chrono::duration<int>
29>::value), NOTHING, ());
30

source code of boost/libs/chrono/test/duration/default_ratio_pass.cpp