libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/4.cc

   1 // { dg-require-namedlocale "zh_TW.UTF-8" }
   2
   3 // 2003-12-17  Paolo Carlini  <pcarlini@suse.de>
   4
   5 // Copyright (C) 2003-2018 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // 22.2.5.1.1 time_get members
  23
  24 #include <locale>
  25 #include <sstream>
  26 #include <testsuite_hooks.h>
  27
  28 static bool debian_date_format();
  29
  30 void test01()
  31 {
  32   using namespace std;
  33
  34   typedef istreambuf_iterator<wchar_t> iterator_type;
  35
  36   locale loc_tw = locale("zh_TW.UTF-8");
  37
  38   iterator_type end;
  39
  40   wistringstream iss;
  41   iss.imbue(loc_tw);
  42   const time_get<wchar_t>& tim_get = use_facet<time_get<wchar_t> >(iss.getloc());
  43
  44   const ios_base::iostate good = ios_base::goodbit;
  45   ios_base::iostate errorstate = good;
  46
  47   const wchar_t wstr[] = { 0x897f, 0x5143, L'2', L'0', L'0', L'3',
  48                            0x5e74, L'1', L'2', 0x6708, L'1', L'7',
  49                            0x65e5 , 0x0 };
  50
  51   iss.str(debian_date_format() ? wstr+2 : wstr);
  52   iterator_type is_it01(iss);
  53   tm time01;
  54   tim_get.get_date(is_it01, end, iss, errorstate, &time01);
  55   VERIFY( errorstate == ios_base::eofbit );
  56   VERIFY( time01.tm_mon == 11 );
  57   VERIFY( time01.tm_mday == 17 );
  58   VERIFY( time01.tm_year == 103 );
  59 }
  60
  61 #include <locale.h>
  62 #if __has_include(<langinfo.h>)
  63 # include <langinfo.h>
  64 #endif
  65
  66 static bool debian_date_format()
  67 {
  68 #ifdef D_FMT
  69   if (setlocale(LC_TIME, "zh_TW.UTF-8") != NULL)
  70   {
  71     // See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31413
  72     // and https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71641#c2
  73     if (*nl_langinfo(D_FMT) == '%')
  74       return true;
  75     setlocale(LC_TIME, "C");
  76   }
  77 #endif
  78   return false;
  79 }
  80
  81 int main()
  82 {
  83   test01();
  84   return 0;
  85 }