libstdc++-v3/testsuite/20_util/tuple/comparison_operators/comparisons.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // Copyright (C) 2007-2022 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // Tuple
  21
  22 #include <tuple>
  23 #include <testsuite_hooks.h>
  24
  25 using namespace std;
  26
  27 #define TEST1(x) VERIFY( x == x && !(x != x) && x <= x && !(x < x) )
  28
  29 int
  30 main()
  31 {
  32   int i=0;
  33   int j=0;
  34   int k=2;
  35   tuple<int, int, int> a(0, 0, 0);
  36   tuple<int, int, int> b(0, 0, 1);
  37   tuple<int& , int& , int&> c(i,j,k);
  38   tuple<const int&, const int&, const int&> d(c);
  39   TEST1(a);
  40   TEST1(b);
  41   TEST1(c);
  42   TEST1(d);
  43   VERIFY(!(a > a) && !(b > b));
  44   VERIFY(a >= a && b >= b);
  45   VERIFY(a < b && !(b < a) && a <= b && !(b <= a));
  46   VERIFY(b > a && !(a > b) && b >= a && !(a >= b));
  47 }