libs/ratio/test/ratio_extensions/mpl_less_equal_pass.cpp

   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 #define BOOST_RATIO_EXTENSIONS
  15
  16 #include <boost/ratio/mpl/less_equal.hpp>
  17 #if !defined(BOOST_NO_CXX11_STATIC_ASSERT)
  18 #define NOTHING ""
  19 #endif
  20
  21 void test()
  22 {
  23     {
  24     typedef boost::ratio<1, 1> R1;
  25     typedef boost::ratio<1, 1> R2;
  26     BOOST_RATIO_STATIC_ASSERT((boost::mpl::less_equal<R1, R2>::value), NOTHING, ());
  27     }
  28     {
  29     typedef boost::ratio<BOOST_RATIO_INTMAX_T_MAX, 1> R1;
  30     typedef boost::ratio<BOOST_RATIO_INTMAX_T_MAX, 1> R2;
  31     BOOST_RATIO_STATIC_ASSERT((boost::mpl::less_equal<R1, R2>::value), NOTHING, ());
  32     }
  33     {
  34     typedef boost::ratio<-BOOST_RATIO_INTMAX_T_MAX, 1> R1;
  35     typedef boost::ratio<-BOOST_RATIO_INTMAX_T_MAX, 1> R2;
  36     BOOST_RATIO_STATIC_ASSERT((boost::mpl::less_equal<R1, R2>::value), NOTHING, ());
  37     }
  38     {
  39     typedef boost::ratio<1, BOOST_RATIO_INTMAX_T_MAX> R1;
  40     typedef boost::ratio<1, BOOST_RATIO_INTMAX_T_MAX> R2;
  41     BOOST_RATIO_STATIC_ASSERT((boost::mpl::less_equal<R1, R2>::value), NOTHING, ());
  42     }
  43     {
  44     typedef boost::ratio<1, 1> R1;
  45     typedef boost::ratio<1, -1> R2;
  46     BOOST_RATIO_STATIC_ASSERT((!boost::mpl::less_equal<R1, R2>::value), NOTHING, ());
  47     }
  48     {
  49     typedef boost::ratio<BOOST_RATIO_INTMAX_T_MAX, 1> R1;
  50     typedef boost::ratio<-BOOST_RATIO_INTMAX_T_MAX, 1> R2;
  51     BOOST_RATIO_STATIC_ASSERT((!boost::mpl::less_equal<R1, R2>::value), NOTHING, ());
  52     }
  53     {
  54     typedef boost::ratio<-BOOST_RATIO_INTMAX_T_MAX, 1> R1;
  55     typedef boost::ratio<BOOST_RATIO_INTMAX_T_MAX, 1> R2;
  56     BOOST_RATIO_STATIC_ASSERT((boost::mpl::less_equal<R1, R2>::value), NOTHING, ());
  57     }
  58     {
  59     typedef boost::ratio<1, BOOST_RATIO_INTMAX_T_MAX> R1;
  60     typedef boost::ratio<1, -BOOST_RATIO_INTMAX_T_MAX> R2;
  61     BOOST_RATIO_STATIC_ASSERT((!boost::mpl::less_equal<R1, R2>::value), NOTHING, ());
  62     }
  63 }