libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/12439_2.cc

   1 // Copyright (C) 2003-2020 Free Software Foundation, Inc.
   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 3, 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 COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-require-time "" }
  19
  20 // 22.2.5.3.1 time_put members
  21
  22 #include <locale>
  23 #include <sstream>
  24 #include <ctime>
  25 #include <cstring>
  26 #include <testsuite_hooks.h>
  27
  28 // libstdc++/12439
  29 // time_put::put writes narrowed characters to output iterator
  30 void test02()
  31 {
  32   using namespace std;
  33
  34   typedef time_put<wchar_t> tp_type;
  35
  36   const wchar_t fmt[] = {
  37     0xa0, 0x103, 0xfc, 0xb3, 0xa0c3,
  38     L'%', L'c'
  39   };
  40
  41   const size_t len = sizeof(fmt) / sizeof(fmt[0]);
  42   const size_t cmplen = wcschr(fmt, L'%') - fmt;
  43
  44   locale loc;
  45   const tp_type& tp = use_facet<tp_type>(loc);
  46   time_t tt = time(0);
  47   wostringstream stream;
  48
  49   tp.put(tp_type::iter_type(stream), stream, stream.fill(),
  50          localtime(&tt), fmt, fmt + len);
  51   wstring str = stream.str();
  52   VERIFY( str.length() >= cmplen );
  53   VERIFY( !wmemcmp(str.data(), fmt, cmplen) );
  54 }
  55
  56 int main()
  57 {
  58   test02();
  59   return 0;
  60 }