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

   1 // { dg-options "-std=gnu++17" }
   2 // { dg-do run { target c++17 } }
   3 // { dg-require-string-conversions "" }
   4
   5 // Copyright (C) 2013-2021 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <string_view>
  23 #include <testsuite_hooks.h>
  24
  25 void
  26 test01()
  27 {
  28   std::string_view str("ramifications");
  29   const std::string_view cstr("melodien");
  30
  31   VERIFY( str.front() == 'r' );
  32   VERIFY( str.back() == 's' );
  33   VERIFY( cstr.front() == 'm' );
  34   VERIFY( cstr.back() == 'n' );
  35 }
  36
  37 int
  38 main()
  39 {
  40   test01();
  41
  42   return 0;
  43 }