libstdc++-v3/testsuite/21_strings/basic_string_view/element_access/char/front_back.cc

   1 // { dg-do run { target c++17 } }
   2 // { dg-require-string-conversions "" }
   3
   4 // Copyright (C) 2013-2023 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <string_view>
  22 #include <testsuite_hooks.h>
  23
  24 void
  25 test01()
  26 {
  27   std::string_view str("ramifications");
  28   const std::string_view cstr("melodien");
  29
  30   VERIFY( str.front() == 'r' );
  31   VERIFY( str.back() == 's' );
  32   VERIFY( cstr.front() == 'm' );
  33   VERIFY( cstr.back() == 'n' );
  34 }
  35
  36 int
  37 main()
  38 {
  39   test01();
  40
  41   return 0;
  42 }