libstdc++-v3/testsuite/21_strings/basic_string_view/operations/copy/char/1.cc

   1 // { dg-do run { target c++17 } }
   2
   3 // Copyright (C) 2013-2022 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 // basic_string_view::copy
  21
  22 #include <string_view>
  23 #include <testsuite_hooks.h>
  24
  25 void
  26 test01()
  27 {
  28   typedef std::string_view::size_type csize_type;
  29
  30   const char str_lit01[] = "123456789A";
  31   const std::string_view str01(str_lit01);
  32   char buffer[4] = { 0 };
  33
  34   csize_type len = str01.copy(buffer, sizeof(buffer), 8);
  35   VERIFY( 2 == len );
  36   VERIFY( '9' == buffer[0] );
  37 }
  38
  39 int
  40 main()
  41 {
  42   test01();
  43
  44   return 0;
  45 }