libstdc++-v3/testsuite/std/ranges/adaptors/lazy_split_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 // { dg-require-effective-target hosted }
  20
  21 #include <algorithm>
  22 #include <ranges>
  23 #include <string_view>
  24
  25 namespace ranges = std::ranges;
  26 namespace views = std::ranges::views;
  27
  28 void
  29 test01()
  30 {
  31   using namespace std::literals;
  32   auto x = "the  quick  brown  fox"sv;
  33   auto v = views::lazy_split(x, std::initializer_list<char>{' ', ' '}); // { dg-error "no match" }
  34 }
  35
  36 void
  37 test02()
  38 {
  39   using namespace std::literals;
  40   auto x = "the  quick  brown  fox"sv;
  41   auto v1 = views::lazy_split(std::initializer_list<char>{' ', ' '})(x); // { dg-error "deleted" }
  42   auto v2 = x | views::lazy_split(std::initializer_list<char>{' ', ' '}); // { dg-error "no match" }
  43 }
  44
  45 // { dg-prune-output "in requirements" }