gdb/unittests/basic_string_view/cons/char/1.cc

   1 // { dg-options "-std=gnu++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 constructors.
  21
  22 namespace cons_1 {
  23
  24 static void
  25 test01 ()
  26 {
  27   typedef gdb::string_view::size_type csize_type;
  28
  29   // basic_string_view()
  30   const gdb::string_view str00{};
  31   VERIFY( str00.length() == 0 );
  32   VERIFY( str00.data() == nullptr );
  33
  34   // basic_string_view(const char*)
  35   const char str_lit01[] = "rodeo beach, marin";
  36   const gdb::string_view str01{str_lit01};
  37   VERIFY( str01.length() == 18 );
  38   VERIFY( str01.data() == str_lit01 );
  39   const gdb::string_view str02{"baker beach, san francisco"};
  40   VERIFY( str02.length() == 26 );
  41
  42   // basic_string_view(const string_view&)
  43   gdb::string_view str04{str01};
  44   VERIFY( str04.length() == str01.length() );
  45   VERIFY( str04.data() == str01.data() );
  46
  47   // basic_string_view(const char* s)
  48   csize_type len_lit01 = strlen(str_lit01);
  49   gdb::string_view str05{str_lit01, len_lit01};
  50   VERIFY( str05.length() == len_lit01 );
  51   VERIFY( str05.data() == str_lit01 );
  52
  53   // basic_string_view(basic_string& s)
  54   std::string istr07(10, 'z');
  55   gdb::string_view str07{istr07};
  56   VERIFY( str07.length() == 10 );
  57 }
  58
  59 static int
  60 main ()
  61 {
  62   test01();
  63
  64   return 0;
  65 }
  66
  67 } // namespace cons_1