libstdc++-v3/testsuite/27_io/basic_stringbuf/setbuf/wchar_t/3.cc

   1 // 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001-2021 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 // 27.8.1.4 Overridden virtual functions
  21
  22 #include <sstream>
  23 #include <testsuite_hooks.h>
  24
  25 void test02()
  26 {
  27   using namespace std;
  28
  29   wchar_t buf[512];
  30   const wchar_t* strlit = L"how to tell a story and other essays: mark twain";
  31   const size_t strlitsize = std::wcslen(strlit);
  32   wstring s(L"tmp");
  33   wstringbuf sbuf(s, ios_base::out);
  34   sbuf.pubsetbuf(buf, strlitsize);
  35   sbuf.sputn(strlit, strlitsize);
  36   VERIFY( std::wcsncmp(strlit, buf, strlitsize) == 0 );
  37 }
  38
  39 int main()
  40 {
  41   test02();
  42   return 0;
  43 }