libstdc++-v3/testsuite/21_strings/basic_string/modifiers/append/wchar_t/3.cc

   1 // 2004-25-10  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2004-2019 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 // 21.3.5 string modifiers
  21
  22 // { dg-options "-DITERATIONS=14" { target simulator } }
  23
  24 #ifndef ITERATIONS
  25 #define ITERATIONS 18
  26 #endif
  27
  28 #include <string>
  29 #include <testsuite_hooks.h>
  30
  31 // Upon reallocation (basic_string::reserve) we were copying from
  32 // deallocated memory.
  33 void
  34 test03()
  35 {
  36   using namespace std;
  37
  38   const wchar_t * source = L"Kesto";
  39
  40   for (unsigned i = 0; i < 10; ++i)
  41     {
  42       wstring one(source);
  43       wstring two(source);
  44       for (unsigned j = 0; j < ITERATIONS; ++j)
  45         {
  46           VERIFY( one == two );
  47           one.append(one);
  48           one += L'x';
  49           two.append(two.c_str(), two.size());
  50           two += L'x';
  51         }
  52     }
  53 }
  54
  55 int main()
  56 {
  57   test03();
  58   return 0;
  59 }