libstdc++-v3/testsuite/27_io/objects/wchar_t/9_xin.cc

   1 // 2003-05-01  Petur Runolfsson  <peturr02@ru.is>
   2
   3 // Copyright (C) 2003-2020 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 #include <iostream>
  21 #include <locale>
  22 #include <string>
  23 #include <cwchar>
  24 #include <cwctype>
  25 #include <iterator>
  26 #include <algorithm>
  27 #include <testsuite_hooks.h>
  28
  29 // This tests the handling of multibyte characters by wcin and wcout.
  30 void test09()
  31 {
  32   using namespace std;
  33
  34   locale loc("");
  35   locale::global(loc);
  36
  37   wcout.imbue(loc);
  38   wcin.imbue(loc);
  39
  40   wcout << L"Current locale is: \'" << loc.name().c_str() << L"\'\n";
  41   wcout << L"Please enter your name: ";
  42
  43   wstring str;
  44   getline(wcin, str);
  45
  46   wcout << str << endl;
  47   wcout << str.size() << endl;
  48
  49   transform(str.begin(), str.end(),
  50             ostream_iterator<wchar_t, wchar_t>(wcout), towupper);
  51   wcout << endl;
  52   transform(str.begin(), str.end(),
  53             ostream_iterator<wchar_t, wchar_t>(wcout), towlower);
  54   wcout << endl << hex << showbase;
  55   copy(str.begin(), str.end(),
  56        ostream_iterator<wint_t, wchar_t>(wcout, L" "));
  57   wcout << endl;
  58 }
  59
  60 int main()
  61 {
  62   test09();
  63   return 0;
  64 }