libstdc++-v3/testsuite/20_util/ratio/operations/45866.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-require-cstdint "" }
   3
   4 // 2010-10-18  Paolo Carlini  <paolo.carlini@oracle.com>
   5
   6 // Copyright (C) 2010-2013 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License
  20 // along with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 #include <ratio>
  24 #include <testsuite_hooks.h>
  25
  26 // libstdc++/45866
  27 void test01()
  28 {
  29   bool test __attribute__((unused)) = true;
  30
  31   typedef std::ratio<1, 4>::type r_type1;
  32   typedef std::ratio<3, 2>::type r_type2;
  33
  34   typedef std::ratio_add<r_type1, r_type2> ra_type;
  35
  36   VERIFY( ra_type::num == ra_type::type::num );
  37   VERIFY( ra_type::den == ra_type::type::den );
  38   VERIFY( ra_type::num == 7 );
  39   VERIFY( ra_type::den == 4 );
  40
  41   typedef std::ratio_subtract<r_type1, r_type2> rs_type;
  42
  43   VERIFY( rs_type::num == rs_type::type::num );
  44   VERIFY( rs_type::den == rs_type::type::den );
  45   VERIFY( rs_type::num == -5 );
  46   VERIFY( rs_type::den == 4 );
  47
  48   typedef std::ratio_multiply<r_type1, r_type2> rm_type;
  49
  50   VERIFY( rm_type::num == rm_type::type::num );
  51   VERIFY( rm_type::den == rm_type::type::den );
  52   VERIFY( rm_type::num == 3 );
  53   VERIFY( rm_type::den == 8 );
  54
  55   typedef std::ratio_divide<r_type1, r_type2> rd_type;
  56
  57   VERIFY( rd_type::num == rd_type::type::num );
  58   VERIFY( rd_type::den == rd_type::type::den );
  59   VERIFY( rd_type::num == 1 );
  60   VERIFY( rd_type::den == 6 );
  61 }
  62
  63 int main()
  64 {
  65   test01();
  66   return 0;
  67 }