libstdc++-v3/testsuite/20_util/ratio/cons/cons1.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // 2008-07-03 Chris Fairles <chris.fairles@gmail.com>
   4
   5 // Copyright (C) 2008-2022 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License
  19 // along with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <ratio>
  23 #include <testsuite_hooks.h>
  24
  25 void
  26 test01()
  27 {
  28   std::ratio<1,3> r0;
  29   std::ratio<2,6> r1;
  30   std::ratio<2,-6> r2;
  31   std::ratio<-2,6> r3;
  32
  33   VERIFY( r0.num == 1 );
  34   VERIFY( r0.den == 3 );
  35
  36   VERIFY( r1.num == r0.num );
  37   VERIFY( r1.den == r0.den );
  38   VERIFY( r2.num == -r0.num );
  39   VERIFY( r2.den == r0.den );
  40   VERIFY( r3.num == -r0.num );
  41   VERIFY( r3.den == r0.den );
  42 }
  43
  44 int main()
  45 {
  46   test01();
  47   return 0;
  48 }