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

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-require-cstdint "" }
   3
   4 // 2008-07-03 Chris Fairles <chris.fairles@gmail.com>
   5
   6 // Copyright (C) 2008 Free Software Foundation
   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 2, 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 COPYING.  If not, write to
  21 // the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  22 // Boston, MA 02110-1301, USA.
  23
  24 #include <ratio>
  25 #include <testsuite_hooks.h>
  26
  27 void
  28 test01()
  29 {
  30   bool test __attribute__((unused)) = true;
  31
  32   std::ratio<1,3> r0;
  33   std::ratio<2,6> r1;
  34   std::ratio<2,-6> r2;
  35   std::ratio<-2,6> r3;
  36
  37   VERIFY( r0.num == 1 );
  38   VERIFY( r0.den == 3 );
  39
  40   VERIFY( r1.num == r0.num );
  41   VERIFY( r1.den == r0.den );
  42   VERIFY( r2.num == -r0.num );
  43   VERIFY( r2.den == r0.den );
  44   VERIFY( r3.num == -r0.num );
  45   VERIFY( r3.den == r0.den );
  46 }
  47
  48 int main()
  49 {
  50   test01();
  51   return 0;
  52 }