libstdc++-v3/testsuite/27_io/basic_stringbuf/setbuf/wchar_t/4.cc

   1 // 2004-10-06  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2004 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 27.8.1.4 Overridden virtual functions
  22
  23 #include <sstream>
  24 #include <testsuite_hooks.h>
  25
  26 void test01()
  27 {
  28   using namespace std;
  29   bool test __attribute__((unused)) = true;
  30
  31   const unsigned max_size = 1 << 18;
  32
  33   static wchar_t ref[max_size];
  34   wmemset(ref, L'\0', max_size);
  35
  36   static wchar_t src[max_size * 2];
  37   wmemset(src, L'\1', max_size * 2);
  38
  39   for (unsigned i = 128; i <= max_size; i *= 2)
  40     {
  41       wchar_t* dest = new wchar_t[i * 2];
  42       wmemset(dest, L'\0', i * 2);
  43
  44       wstringbuf sbuf;
  45       sbuf.pubsetbuf(dest, i);
  46
  47       sbuf.sputn(src, i * 2);
  48       VERIFY( !wmemcmp(dest + i, ref, i) );
  49
  50       delete[] dest;
  51     }
  52 }
  53
  54 int main()
  55 {
  56   test01();
  57   return 0;
  58 }