libstdc++-v3/testsuite/experimental/string_view/operations/substr/wchar_t/83511.cc

   1 // { dg-do run { target c++14 } }
   2
   3 // Copyright (C) 2018-2024 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 // experimental::basic_string_view::substr
  21
  22 #include <experimental/string_view>
  23 #include <testsuite_hooks.h>
  24
  25 void
  26 test01()
  27 {
  28   const std::experimental::wstring_view s = L"abcdef";
  29   VERIFY( s.substr() == s );
  30   VERIFY( std::experimental::wstring_view{}.substr().empty() );
  31 }
  32
  33 int
  34 main()
  35 {
  36   test01();
  37 }