libstdc++-v3/testsuite/20_util/tuple/comparison_operators/35480_neg.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2008-2021 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
  24 // libstdc++/35480
  25 void test01()
  26 {
  27   std::tuple<int> t1( 1 );
  28   std::tuple<int, int> t2( 1, 2 );
  29   if ( t1 < t2 ) {}   // { dg-error "here" }
  30   if ( t1 == t2 ) {}  // { dg-error "here" }
  31 }
  32 // { dg-prune-output "incomplete type" }
  33 // { dg-excess-errors "body of constexpr function" }