gdb/unittests/basic_string_view/operations/substr/char/1.cc

   1 // { dg-options "-std=gnu++17" }
   2
   3 // Copyright (C) 2013-2019 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::substr
  21
  22 namespace operations_substr_1 {
  23
  24 static void
  25 test01 ()
  26 {
  27   typedef gdb::string_view::size_type csize_type;
  28   typedef gdb::string_view::const_reference cref;
  29   typedef gdb::string_view::reference ref;
  30   csize_type csz01;
  31
  32   const char str_lit01[] = "rockaway, pacifica";
  33   const gdb::string_view str01(str_lit01);
  34   gdb::string_view str02;
  35
  36   // basic_string_view<charT, _Traits, _Alloc>
  37   //  substr(size_type pos = 0, size_type n = npos) const;
  38   csz01 = str01.size();
  39   str02 = str01.substr(0, 1);
  40   VERIFY( str02 == "r" );
  41   str02 = str01.substr(10);
  42   VERIFY( str02 == "pacifica" );
  43
  44   try
  45   {
  46     str02 = str01.substr(csz01 + 1);
  47     VERIFY( false );
  48   }
  49   catch(gdb_exception& fail)
  50   {
  51     VERIFY( true );
  52   }
  53   catch(...)
  54   {
  55     VERIFY( false );
  56   }
  57
  58   try
  59   {
  60     str02 = str01.substr(csz01);
  61     VERIFY( str02.size() == 0 );
  62     VERIFY( str02.begin() == str01.end() );
  63     VERIFY( true );
  64   }
  65   catch(...)
  66   {
  67     VERIFY( false );
  68   }
  69 }
  70
  71 static int
  72 main ()
  73 {
  74   test01();
  75
  76   return 0;
  77 }
  78
  79 } // namespace operations_substr_1