llvm-gcc-4.0/libstdc++-v3/testsuite/tr1/6_containers/tuple/comparison_operators/comparisons.cc

// 2004-09-23 Chris Jefferson <chris@bubblescope.net>

// Copyright (C) 2004 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.

// Tuple

#include <tr1/tuple>
#include <testsuite_hooks.h>

using namespace std;
using namespace tr1;

#define TEST1(x) VERIFY( x == x && !(x != x) && x <= x && !(x < x) )

int
main()
{
  int i=0;
  int j=0;
  int k=2;
  tuple<int, int, int> a(0, 0, 0);
  tuple<int, int, int> b(0, 0, 1);
  tuple<int& , int& , int&> c(i,j,k);
  tuple<const int&, const int&, const int&> d(c);
  TEST1(a);
  TEST1(b);
  TEST1(c);
  TEST1(d);
  VERIFY(!(a > a) && !(b > b));
  VERIFY(a >= a && b >= b);
  VERIFY(a < b && !(b < a) && a <= b && !(b <= a));
  VERIFY(b > a && !(a > b) && b >= a && !(a >= b));  
}