time_put_members_char.cc

俄罗斯高人Mamaich的Pocket gcc编译器（运行在PocketPC上）的全部源代码。

// 2001-09-17 Benjamin Kosnik  <[e-mail]>

// Copyright (C) 2001, 2002 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.

// 22.2.5.3.1 time_put members

#include <locale>
#include <sstream>
#include <testsuite_hooks.h>

// XXX This test is not working for non-glibc locale models.
// { dg-do run { xfail *-*-* } }

void test01()
{
  using namespace std;
  typedef ostreambuf_iterator<char> iterator_type;

  bool test = true;

  // basic construction and sanity checks.
  locale loc_c = locale::classic();
  locale loc_hk("en_HK");
  locale loc_fr("fr_FR@euro");
  locale loc_de("de_DE");
  VERIFY( loc_hk != loc_c );
  VERIFY( loc_hk != loc_fr );
  VERIFY( loc_hk != loc_de );
  VERIFY( loc_de != loc_fr );

  // cache the __timepunct facets, for quicker gdb inspection
  const __timepunct<char>& time_c = use_facet<__timepunct<char> >(loc_c); 
  const __timepunct<char>& time_de = use_facet<__timepunct<char> >(loc_de); 
  const __timepunct<char>& time_hk = use_facet<__timepunct<char> >(loc_hk); 
  const __timepunct<char>& time_fr = use_facet<__timepunct<char> >(loc_fr); 

  // create an ostream-derived object, cache the time_put facet
  const string empty;
  ostringstream oss;
  const time_put<char>& tim_put = use_facet<time_put<char> >(oss.getloc()); 

  // create "C" time objects
  tm time1 = { 0, 0, 12, 4, 3, 71 };
  const char* all = "%a %A %b %B %c %d %H %I %j %m %M %p %s %U "
                    "%w %W %x %X %y %Y %Z %%";
  const char* date = "%A, the second of %B";
  const char* date_ex = "%Ex";

  // 1
  // iter_type 
  // put(iter_type s, ios_base& str, char_type fill, const tm* t,
  //	 char format, char modifier = 0) const;
  oss.str(empty);
  oss.imbue(loc_c);
  iterator_type os_it01 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'a');
  string result1 = oss.str();
  VERIFY( result1 == "Sun" );

  oss.str(empty);
  iterator_type os_it21 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'x');
  string result21 = oss.str(); // "04/04/71"
  oss.str(empty);
  iterator_type os_it22 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'X');
  string result22 = oss.str(); // "12:00:00"
  oss.str(empty);
  iterator_type os_it31 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'x', 'E');
  string result31 = oss.str(); // "04/04/71"
  oss.str(empty);
  iterator_type os_it32 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'X', 'E');
  string result32 = oss.str(); // "12:00:00"

  oss.str(empty);
  oss.imbue(loc_de);
  iterator_type os_it02 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'a');
  string result2 = oss.str();
  VERIFY( result2 == "Son" );

  oss.str(empty); // "%d.%m.%Y"
  iterator_type os_it23 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'x');
  string result23 = oss.str(); // "04.04.1971"
  oss.str(empty); // "%T"
  iterator_type os_it24 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'X');
  string result24 = oss.str(); // "12:00:00"
  oss.str(empty);
  iterator_type os_it33 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'x', 'E');
  string result33 = oss.str(); // "04.04.1971"
  oss.str(empty);
  iterator_type os_it34 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'X', 'E');
  string result34 = oss.str(); // "12:00:00"

  oss.str(empty);
  oss.imbue(loc_hk);
  iterator_type os_it03 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'a');
  string result3 = oss.str();
  VERIFY( result3 == "Sun" );

  oss.str(empty); // "%A, %B %d, %Y"
  iterator_type os_it25 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'x');
  string result25 = oss.str(); // "Sunday, April 04, 1971"
  oss.str(empty); // "%I:%M:%S %Z"
  iterator_type os_it26 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'X');
  string result26 = oss.str(); // "12:00:00 PST"
  oss.str(empty);
  iterator_type os_it35 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'x', 'E');
  string result35 = oss.str(); // "Sunday, April 04, 1971"
  oss.str(empty);
  iterator_type os_it36 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'X', 'E');
  string result36 = oss.str(); // "12:00:00 PST"

  oss.str(empty);
  oss.imbue(loc_fr);
  iterator_type os_it04 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'a');
  string result4 = oss.str();
  VERIFY( result4 == "dim" );

  oss.str(empty); // "%d.%m.%Y"
  iterator_type os_it27 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'x');
  string result27 = oss.str(); // "04.04.1971"
  oss.str(empty); // "%T"
  iterator_type os_it28 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'X');
  string result28 = oss.str(); // "12:00:00"
  oss.str(empty);
  iterator_type os_it37 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'x', 'E');
  string result37 = oss.str(); // "04.04.1971"
  oss.str(empty);
  iterator_type os_it38 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 'X', 'E');
  string result38 = oss.str(); // "12:00:00"

  // 2
  oss.str(empty);
  oss.imbue(loc_c);
  iterator_type os_it05 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 
				      date, date + strlen(date));
  string result5 = oss.str();
  VERIFY( result5 == "Sunday, the second of April");
  iterator_type os_it06 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 
				      date_ex, date_ex + strlen(date));
  string result6 = oss.str();
  VERIFY( result6 != result5 );

  oss.str(empty);
  oss.imbue(loc_de);
  iterator_type os_it07 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 
				      date, date + strlen(date));
  string result7 = oss.str();
  VERIFY( result7 == "Sonntag, the second of April");
  iterator_type os_it08 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 
				      date_ex, date_ex + strlen(date));
  string result8 = oss.str();
  VERIFY( result8 != result7 );

  oss.str(empty);
  oss.imbue(loc_hk);
  iterator_type os_it09 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 
				      date, date + strlen(date));
  string result9 = oss.str();
  VERIFY( result9 == "Sunday, the second of April");
  iterator_type os_it10 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 
				      date_ex, date_ex + strlen(date));
  string result10 = oss.str();
  VERIFY( result10 != result9 );

  oss.str(empty);
  oss.imbue(loc_fr);
  iterator_type os_it11 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 
				      date, date + strlen(date));
  string result11 = oss.str();
  VERIFY( result11 == "dimanche, the second of avril");
  iterator_type os_it12 = tim_put.put(oss.rdbuf(), oss, '*', &time1, 
				      date_ex, date_ex + strlen(date));
  string result12 = oss.str();
  VERIFY( result12 != result11 );
}

void test02()
{
  using namespace std;
  bool test = true;

  // Check time_put works with other iterators besides streambuf
  // output iterators. (As long as output_iterator requirements are met.)
  typedef string::iterator iter_type;
  typedef char_traits<char> traits;
  typedef time_put<char, iter_type> time_put_type;
  const ios_base::iostate goodbit = ios_base::goodbit;
  const ios_base::iostate eofbit = ios_base::eofbit;
  ios_base::iostate err = goodbit;
  const locale loc_c = locale::classic();
  const string x(50, 'x'); // have to have allocated string!
  string res;
  const tm time_sanity = { 0, 0, 12, 26, 5, 97, 2 };
  const char* date = "%X, %A, the second of %B, %Y";

  ostringstream oss; 
  oss.imbue(locale(loc_c, new time_put_type));

  // Iterator advanced, state, output.
  const time_put_type& tp = use_facet<time_put_type>(oss.getloc());

  // 01 date format
  res = x;
  iter_type ret1 = tp.put(res.begin(), oss, ' ', &time_sanity, 
			  date, date + traits::length(date));
  string sanity1(res.begin(), ret1);
  VERIFY( err == goodbit );
  VERIFY( res == "12:00:00, Tuesday, the second of June, 1997xxxxxxx" );
  VERIFY( sanity1 == "12:00:00, Tuesday, the second of June, 1997" );

  // 02 char format
  res = x;
  iter_type ret2 = tp.put(res.begin(), oss, ' ', &time_sanity, 'A');
  string sanity2(res.begin(), ret2);
  VERIFY( err == goodbit );
  VERIFY( res == "Tuesdayxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" );
  VERIFY( sanity2 == "Tuesday" );
}

// libstdc++/5280
void test03()
{
#ifdef _GLIBCPP_HAVE_SETENV 
  // Set the global locale to non-"C".
  std::locale loc_de("de_DE");
  std::locale::global(loc_de);

  // Set LANG environment variable to de_DE.
  const char* oldLANG = getenv("LANG");
  if (!setenv("LANG", "de_DE", 1))
    {
      test01();
      test02();
      setenv("LANG", oldLANG ? oldLANG : "", 1);
    }
#endif
}

// http://gcc.gnu.org/ml/libstdc++/2002-05/msg00038.html
void test04()
{
  bool test = true;

  const char* tentLANG = std::setlocale(LC_ALL, "ja_JP.eucjp");
  if (tentLANG != NULL)
    {
      std::string preLANG = tentLANG;
      test01();
      test02();
      std::string postLANG = std::setlocale(LC_ALL, NULL);
      VERIFY( preLANG == postLANG );
    }
}

int main()
{
  test01();
  test02();
  test03();
  test04();
  return 0;
}