old-autovect-branch/libstdc++-v3/testsuite/21_strings/basic_string/element_access/wchar_t/3.cc

   1 // 1999-06-08 bkoz
   2
   3 // Copyright (C) 1999, 2003 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 2, 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // 21.3 template class basic_string
  22
  23 #include <string>
  24 #include <stdexcept>
  25 #include <testsuite_hooks.h>
  26
  27 // Do another sanity check, this time for member functions that return
  28 // iterators, namely insert and erase.
  29 bool test02(void)
  30 {
  31   bool test __attribute__((unused)) = true;
  32   typedef std::wstring::size_type csize_type;
  33   typedef std::wstring::iterator siterator;
  34   typedef std::wstring::reverse_iterator sriterator;
  35   siterator it1;
  36   sriterator rit1;
  37
  38   const std::wstring str01(L"its beach, santa cruz");
  39
  40   std::wstring str02 = str01;
  41   std::wstring str05 = str02; // optional, so that begin below causes a mutate
  42   std::wstring::iterator p = str02.insert(str02.begin(), L' ');
  43   std::wstring str03 = str02;
  44   VERIFY( str03 == str02 );
  45   *p = L'!';
  46   VERIFY( *str03.c_str() == L' ' );
  47   str03[0] = L'@';
  48   VERIFY( str02[0] == L'!' );
  49   VERIFY( *p == L'!' );
  50   VERIFY( str02 != str05 );
  51   VERIFY( str02 != str03 );
  52
  53   std::wstring str10 = str01;
  54   std::wstring::iterator p2 = str10.insert(str10.begin(), L'a');
  55   std::wstring str11 = str10;
  56   *p2 = L'e';
  57   VERIFY( str11 != str10 );
  58
  59   std::wstring str06 = str01;
  60   std::wstring str07 = str06; // optional, so that begin below causes a mutate
  61   p = str06.erase(str06.begin());
  62   std::wstring str08 = str06;
  63   VERIFY( str08 == str06 );
  64   *p = L'!';
  65   VERIFY( *str08.c_str() == L't' );
  66   str08[0] = L'@';
  67   VERIFY( str06[0] == L'!' );
  68   VERIFY( *p == L'!' );
  69   VERIFY( str06 != str07 );
  70   VERIFY( str06 != str08 );
  71
  72   std::wstring str12 = str01;
  73   p2 = str12.erase(str12.begin(), str12.begin() + str12.size() - 1);
  74   std::wstring str13 = str12;
  75   *p2 = L'e';
  76   VERIFY( str12 != str13 );
  77   return test;
  78 }
  79
  80 int main()
  81 {
  82   test02();
  83   return 0;
  84 }