libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/8.cc

   1 // Copyright (C) 2003 Free Software Foundation
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 2, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING.  If not, write to the Free
  16 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  17 // USA.
  18
  19 // 22.2.2.2.1  num_put members
  20
  21 #include <locale>
  22 #include <sstream>
  23 #include <testsuite_hooks.h>
  24
  25 struct Ctype: std::ctype<wchar_t>
  26 {
  27   wchar_t
  28   do_widen(char c) const
  29   { return L'A' + c % 26; }
  30
  31   const char*
  32   do_widen(const char* lo, const char* hi, wchar_t* to) const
  33   {
  34     for (; lo != hi; *to++ = Ctype::do_widen(*lo++));
  35     return hi;
  36   }
  37 };
  38
  39 // See http://gcc.gnu.org/ml/libstdc++/2003-11/msg00154.html
  40 void test01()
  41 {
  42   using namespace std;
  43   bool test __attribute__((unused)) = true;
  44
  45   wostringstream oss;
  46   oss.imbue(locale(locale::classic(), new Ctype));
  47   const num_put<wchar_t>& np = use_facet<num_put<wchar_t> >(oss.getloc());
  48
  49   const wstring empty;
  50   wstring result;
  51   long inum = 123;
  52   double fnum = 123.456;
  53
  54   np.put(oss.rdbuf(), oss, '+', inum);
  55   result = oss.str();
  56   VERIFY( result == L"XYZ" );
  57
  58   oss.clear();
  59   oss.str(empty);
  60   np.put(oss.rdbuf(), oss, '+', fnum);
  61   result = oss.str();
  62   VERIFY( result == L"XYZ.ABC" );
  63 }
  64
  65 int main()
  66 {
  67   test01();
  68 }