libstdc++-v3/testsuite/27_io/basic_ostream/inserters_character/wchar_t/deleted.cc

   1 // Copyright (C) 2019-2024 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 // 29.7.2 Header <ostream> synopsys; deleted character inserters.
  19
  20 // Test wide character inserters defined as deleted by P1423.
  21
  22 // { dg-do compile { target c++20 } }
  23
  24 #include <ostream>
  25
  26 void test_character_inserters(std::wostream &os)
  27 {
  28   os << 'x';   // ok.
  29   os << L'x';  // ok.
  30   os << u8'x'; // { dg-error "use of deleted function" }
  31   os << u'x';  // { dg-error "use of deleted function" }
  32   os << U'x';  // { dg-error "use of deleted function" }
  33 }
  34
  35 void test_string_inserters(std::wostream &os)
  36 {
  37   os << "text";   // ok.
  38   os << L"text";  // ok.
  39   os << u8"text"; // { dg-error "use of deleted function" }
  40   os << u"text";  // { dg-error "use of deleted function" }
  41   os << U"text";  // { dg-error "use of deleted function" }
  42 }