libstdc++-v3/testsuite/20_util/integer_comparisons/less_equal_neg.cc

   1 // Copyright (C) 2020-2024 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do compile { target c++20 } }
  19
  20 #include <utility>
  21
  22 bool a = std::cmp_less_equal('1', 49); // { dg-error "constexpr" }
  23 bool b = std::cmp_less_equal(50, '2'); // { dg-error "constexpr" }
  24 bool c = std::cmp_less_equal(2, L'2'); // { dg-error "constexpr" }
  25 bool d = std::cmp_less_equal(L'2', 2); // { dg-error "constexpr" }
  26 bool e = std::cmp_less_equal(true, 1); // { dg-error "constexpr" }
  27 bool f = std::cmp_less_equal(0, false); // { dg-error "constexpr" }
  28 bool g = std::cmp_less_equal(97, u8'a'); // { dg-error "constexpr" "" { target { no-opts "-fno-char8_t" } } }
  29 bool h = std::cmp_less_equal(u8'a', 97); // { dg-error "constexpr" "" { target { no-opts "-fno-char8_t" } } }
  30 bool i = std::cmp_less_equal(97, u'a'); // { dg-error "constexpr" }
  31 bool j = std::cmp_less_equal(u'a', 97); // { dg-error "constexpr" }
  32 bool k = std::cmp_less_equal(97, U'a'); // { dg-error "constexpr" }
  33 bool l = std::cmp_less_equal(U'a', 97); // { dg-error "constexpr" }
  34
  35 // { dg-error "static assertion failed" "" { target *-*-* } 0 }