libstdc++-v3/testsuite/21_strings/basic_string/element_access/wchar_t/4.cc

   1 // 2004-01-18  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2004-2020 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 // 21.3.4 basic_string element access
  21
  22 #include <string>
  23 #include <testsuite_hooks.h>
  24
  25 // http://gcc.gnu.org/ml/libstdc++/2004-01/msg00184.html
  26 void test01()
  27 {
  28   using namespace std;
  29
  30   for (int i = 0; i < 2000; ++i)
  31     {
  32       wstring str_01;
  33
  34       for (int j = 0; j < i; ++j)
  35         str_01 += L'a';
  36
  37       str_01.reserve(i + 10);
  38
  39       const wstring str_02(str_01);
  40       VERIFY( str_02[i] == L'\0' );
  41     }
  42 }
  43
  44 int main()
  45 {
  46   test01();
  47   return 0;
  48 }