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2003-10-27 Paolo Carlini <pcarlini@suse.de>
authorpaolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 27 Oct 2003 16:21:14 +0000 (16:21 +0000)
committerpaolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 27 Oct 2003 16:21:14 +0000 (16:21 +0000)
PR libstdc++/12750
* include/bits/locale_facets.tcc
(time_get::_M_extract_via_format): Deal with code 'e'.
* testsuite/22_locale/time_get/get_date/char/12750.cc: New.
* testsuite/22_locale/time_get/get_date/wchar_t/12750.cc: Ditto.

* include/bits/locale_facets.tcc
(time_get::_M_extract_via_format): Tweak to absolutely avoid
dereferencing end iterators.

* include/bits/locale_facets.h (__verify_grouping):
Const-ify second parameter.
* include/bits/locale_facets.tcc (__verify_grouping): Ditto.
* src/locale-inst.cc (__verify_grouping): Ditto.

2003-10-27  Paolo Carlini  <pcarlini@suse.de>

* include/bits/locale_facets.tcc (num_get::_M_extract_float):
Various things: 1- Avoid absolutely end iterator dereferences;
2- Improve performance-wise the code skipping leading zeros;
3- Fix two bugs wrt early bail out in case of parsing errors
(see testcases); 4- General clean up.
(num_get::_M_extract_int): Likewise, except 3-. Additionally,
use __builtin_expect to favor base 10 inputs.
* testsuite/22_locale/num_get/get/char/7.cc: New.
* testsuite/22_locale/num_get/get/wchar_t/7.cc: Ditto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72987 138bc75d-0d04-0410-961f-82ee72b054a4

libstdc++-v3/ChangeLog
libstdc++-v3/include/bits/locale_facets.h
libstdc++-v3/include/bits/locale_facets.tcc
libstdc++-v3/src/locale-inst.cc
libstdc++-v3/testsuite/22_locale/num_get/get/char/7.cc [new file with mode: 0644]
libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/7.cc [new file with mode: 0644]
libstdc++-v3/testsuite/22_locale/time_get/get_date/char/12750.cc [new file with mode: 0644]
libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/12750.cc [new file with mode: 0644]

index a1ef2da..6dd3bf5 100644 (file)
@@ -1,3 +1,32 @@
+2003-10-27  Paolo Carlini  <pcarlini@suse.de>
+
+       PR libstdc++/12750
+       * include/bits/locale_facets.tcc
+       (time_get::_M_extract_via_format): Deal with code 'e'.
+       * testsuite/22_locale/time_get/get_date/char/12750.cc: New.
+       * testsuite/22_locale/time_get/get_date/wchar_t/12750.cc: Ditto.
+
+       * include/bits/locale_facets.tcc
+       (time_get::_M_extract_via_format): Tweak to absolutely avoid
+       dereferencing end iterators.
+
+       * include/bits/locale_facets.h (__verify_grouping):
+       Const-ify second parameter.
+       * include/bits/locale_facets.tcc (__verify_grouping): Ditto.
+       * src/locale-inst.cc (__verify_grouping): Ditto.
+
+2003-10-27  Paolo Carlini  <pcarlini@suse.de>
+
+       * include/bits/locale_facets.tcc (num_get::_M_extract_float):
+       Various things: 1- Avoid absolutely end iterator dereferences;
+       2- Improve performance-wise the code skipping leading zeros;
+       3- Fix two bugs wrt early bail out in case of parsing errors
+       (see testcases); 4- General clean up.
+       (num_get::_M_extract_int): Likewise, except 3-. Additionally,
+       use __builtin_expect to favor base 10 inputs.
+       * testsuite/22_locale/num_get/get/char/7.cc: New.
+       * testsuite/22_locale/num_get/get/wchar_t/7.cc: Ditto.
+
 2003-10-26  Paolo Carlini  <pcarlini@suse.de>
 
        * testsuite/22_locale/money_put/put/char/1.cc: Clean up.
index abb9d14..f55685d 100644 (file)
@@ -125,7 +125,7 @@ namespace std
   template<typename _CharT>
     bool
     __verify_grouping(const basic_string<_CharT>& __grouping, 
-                     basic_string<_CharT>& __grouping_tmp);
+                     const basic_string<_CharT>& __grouping_tmp);
 
   // Used by both numeric and monetary facets.
   // Inserts "group separator" characters into an array of characters.
index 0c323dd..25f684d 100644 (file)
@@ -144,51 +144,50 @@ namespace std
       const _CharT* __lit = __lc->_M_atoms_in;
 
       // First check for sign.
-      int __pos = 0;
-      char_type  __c = *__beg;
-      const bool __plus = __traits_type::eq(__c, __lit[_S_iplus]);
-      if ((__plus || __traits_type::eq(__c, __lit[_S_iminus])) 
-         && __beg != __end)
-       {
-         __xtrc += __plus ? _S_atoms_in[_S_iplus] : _S_atoms_in[_S_iminus];
-         ++__pos;
-         __c = *(++__beg);
-       }
-
-      // Next, strip leading zeros.
-      bool __found_zero = false;
-      while (__traits_type::eq(__c, __lit[_S_izero]) && __beg != __end)
+      if (__beg != __end)
        {
-         __c = *(++__beg);
-         __found_zero = true;
+         const char_type __c = *__beg;
+         const bool __plus = __traits_type::eq(__c, __lit[_S_iplus]);
+         if (__plus || __traits_type::eq(__c, __lit[_S_iminus]))
+           {
+             __xtrc += __plus ? _S_atoms_in[_S_iplus]
+                              : _S_atoms_in[_S_iminus];
+             ++__beg;
+           }
        }
-      if (__found_zero)
+         
+      // Next, look for a zero...
+      bool __found_mantissa = false;
+      if (__beg != __end && __traits_type::eq(*__beg, __lit[_S_izero]))
        {
          __xtrc += _S_atoms_in[_S_izero];
-         ++__pos;
+         __found_mantissa = true;
+         ++__beg;
+         // ... and skip the additional ones.
+         for (; __beg != __end
+                && __traits_type::eq(*__beg, __lit[_S_izero]); ++__beg);
        }
 
       // Only need acceptable digits for floating point numbers.
       bool __found_dec = false;
       bool __found_sci = false;
       string __found_grouping;
-      const size_t __len = _S_iE - _S_izero + 1;
       int __sep_pos = 0;
       bool __e;
       while (__beg != __end)
         {
          // Only look in digits.
+         const char_type __c = *__beg;
           const char_type* __p = __traits_type::find(__lit + _S_izero, 10, 
                                                     __c);
-
-          // NB: strchr returns true for __c == 0x0
+          // NB: strchr returns true for *__beg == 0x0
           if (__p && !__traits_type::eq(__c, char_type()))
            {
              // Try first for acceptable digit; record it if found.
-             ++__pos;
              __xtrc += _S_atoms_in[__p - __lit];
+             __found_mantissa = true;
              ++__sep_pos;
-             __c = *(++__beg);
+             ++__beg;
            }
           else if (__traits_type::eq(__c, __lc->_M_thousands_sep) 
                   && __lc->_M_use_grouping && !__found_dec)
@@ -199,7 +198,7 @@ namespace std
                 {
                   __found_grouping += static_cast<char>(__sep_pos);
                   __sep_pos = 0;
-                 __c = *(++__beg);
+                 ++__beg;
                 }
               else
                {
@@ -215,28 +214,28 @@ namespace std
              // must be adjusted only if __dec comes after some __sep.
              if (__found_grouping.size())
                __found_grouping += static_cast<char>(__sep_pos);
-             ++__pos;
              __xtrc += '.';
-             __c = *(++__beg);
              __found_dec = true;
+             ++__beg;
            }
          else if ((__e = __traits_type::eq(__c, __lit[_S_ie]) 
                    || __traits_type::eq(__c, __lit[_S_iE])) 
-                  && !__found_sci && __pos)
+                  && __found_mantissa && !__found_sci)
            {
              // Scientific notation.
-             ++__pos;
              __xtrc += __e ? _S_atoms_in[_S_ie] : _S_atoms_in[_S_iE];
-             __c = *(++__beg);
-
+             ++__beg;
+             
              // Remove optional plus or minus sign, if they exist.
-             const bool __plus = __traits_type::eq(__c, __lit[_S_iplus]);
-             if (__plus || __traits_type::eq(__c, __lit[_S_iminus]))
+             if (__beg != __end)
                {
-                 ++__pos;
-                 __xtrc += __plus ? _S_atoms_in[_S_iplus] 
-                                  : _S_atoms_in[_S_iminus];
-                 __c = *(++__beg);
+                 const bool __plus = __traits_type::eq(*__beg, __lit[_S_iplus]);
+                 if (__plus || __traits_type::eq(*__beg, __lit[_S_iminus]))
+                   {
+                     __xtrc += __plus ? _S_atoms_in[_S_iplus] 
+                                      : _S_atoms_in[_S_iminus];
+                     ++__beg;
+                   }
                }
              __found_sci = true;
            }
@@ -288,55 +287,62 @@ namespace std
        __base = 10;
 
       // First check for sign.
-      char_type  __c = *__beg;
-      const bool __plus = __traits_type::eq(__c, __lit[_S_iplus]);
-      if ((__plus || __traits_type::eq(__c, __lit[_S_iminus])) 
-         && __beg != __end)
+      if (__beg != __end)
        {
-         __xtrc += __plus ? _S_atoms_in[_S_iplus] : _S_atoms_in[_S_iminus];
-         __c = *(++__beg);
+         const char_type __c = *__beg;
+         const bool __plus = __traits_type::eq(__c, __lit[_S_iplus]);
+         if (__plus || __traits_type::eq(__c, __lit[_S_iminus]))
+           {
+             __xtrc += __plus ? _S_atoms_in[_S_iplus]
+                              : _S_atoms_in[_S_iminus];
+             ++__beg;
+           }
        }
 
-      // Next, strip leading zeros and check required digits for base formats.
-      if (__base == 10)
+      // Next, look for leading zeros and check required digits for base formats.
+      if (__builtin_expect(__base == 10, true))
        {
-         bool __found_zero = false;
-         while (__traits_type::eq(__c, __lit[_S_izero]) && __beg != __end)
-           {
-             __c = *(++__beg);
-             __found_zero = true;
-           }
-         if (__found_zero)
+         // Look for a zero...
+         if (__beg != __end && __traits_type::eq(*__beg, __lit[_S_izero]))
            {
              __xtrc += _S_atoms_in[_S_izero];
-             if (__basefield == 0)
-               {             
-                 const bool __x = __traits_type::eq(__c, __lit[_S_ix]);
-                 if ((__x || __traits_type::eq(__c, __lit[_S_iX]))
-                     && __beg != __end)
+             ++__beg;
+             // ... and skip the additional ones.
+             for (; __beg != __end
+                    && __traits_type::eq(*__beg, __lit[_S_izero]); ++__beg);
+             
+             // Check required digits.
+             if (__beg != __end && __basefield == 0)
+               {         
+                 const bool __x = __traits_type::eq(*__beg, __lit[_S_ix]);
+                 if (__x || __traits_type::eq(*__beg, __lit[_S_iX]))
                    {
-                     __xtrc += __x ? _S_atoms_in[_S_ix] : _S_atoms_in[_S_iX];
-                     __c = *(++__beg);
+                     __xtrc += __x ? _S_atoms_in[_S_ix] 
+                                   : _S_atoms_in[_S_iX];
                      __base = 16;
+                     ++__beg;                
                    }
                  else 
                    __base = 8;
-               }
+               }             
            }
        }
       else if (__base == 16)
        {
-         if (__traits_type::eq(__c, __lit[_S_izero]) && __beg != __end)
+         if (__beg != __end && __traits_type::eq(*__beg, __lit[_S_izero]))
            {
              __xtrc += _S_atoms_in[_S_izero];
-             __c = *(++__beg); 
-
-             const bool __x = __traits_type::eq(__c, __lit[_S_ix]);
-             if ((__x || __traits_type::eq(__c, __lit[_S_iX]))
-                 && __beg != __end)
+             ++__beg; 
+             
+             if (__beg != __end)
                {
-                 __xtrc += __x ? _S_atoms_in[_S_ix] : _S_atoms_in[_S_iX];
-                 __c = *(++__beg);
+                 const bool __x = __traits_type::eq(*__beg, __lit[_S_ix]);
+                 if (__x || __traits_type::eq(*__beg, __lit[_S_iX]))
+                   {
+                     __xtrc += __x ? _S_atoms_in[_S_ix] 
+                                   : _S_atoms_in[_S_iX];
+                     ++__beg;
+                   }
                }
            }
        }
@@ -347,22 +353,21 @@ namespace std
 
       // Extract.
       string __found_grouping;
-      const char_type __sep = __lc->_M_thousands_sep;
       int __sep_pos = 0;
-      while (__beg != __end)
+      for (; __beg != __end; ++__beg)
         {
-          const char_type* __p = __traits_type::find(__lit + _S_izero, 
-                                                    __len,  __c);
-
+         const char_type __c = *__beg;
+          const char_type* __p = __traits_type::find(__lit + _S_izero,
+                                                    __len, __c);
           // NB: strchr returns true for __c == 0x0
           if (__p && !__traits_type::eq(__c, char_type()))
            {
              // Try first for acceptable digit; record it if found.
              __xtrc += _S_atoms_in[__p - __lit];
              ++__sep_pos;
-             __c = *(++__beg);
            }
-          else if (__traits_type::eq(__c, __sep) && __lc->_M_use_grouping)
+          else if (__traits_type::eq(__c, __lc->_M_thousands_sep)
+                  && __lc->_M_use_grouping)
            {
               // NB: Thousands separator at the beginning of a string
               // is a no-no, as is two consecutive thousands separators.
@@ -370,7 +375,6 @@ namespace std
                 {
                   __found_grouping += static_cast<char>(__sep_pos);
                   __sep_pos = 0;
-                 __c = *(++__beg);
                 }
               else
                {
@@ -1609,6 +1613,18 @@ namespace std
                  _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2, 
                                 __ctype, __err);
                  break;
+               case 'e':
+                 // Day [1, 31], with single digits preceded by
+                 // space. [tm_mday]
+                 if (__ctype.is(ctype_base::space, *__beg))
+                   _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9, 1,
+                                  __ctype, __err);
+                 else if (*__beg != __ctype.widen('0'))
+                   _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31, 2,
+                                  __ctype, __err);                 
+                 else
+                   __err |= ios_base::failbit;
+                 break;                    
                case 'D':
                  // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
                  __cs = "%m/%d/%y";
@@ -1660,7 +1676,7 @@ namespace std
                  if (__ctype.narrow(*__beg, 0) == '\t')
                    ++__beg;
                  else
-               __err |= ios_base::failbit;
+                   __err |= ios_base::failbit;
                  break;
                case 'T':
                  // Equivalent to (%H:%M:%S).
@@ -1707,10 +1723,9 @@ namespace std
                                      14, __err);
                      
                      // GMT requires special effort.
-                     char_type __c = *__beg;
-                     if (!__err && __tmp == 0 
-                         && (__c == __ctype.widen('-') 
-                             || __c == __ctype.widen('+')))
+                     if (__beg != __end && !__err && __tmp == 0
+                         && (*__beg == __ctype.widen('-') 
+                             || *__beg == __ctype.widen('+')))
                        {
                          _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
                                          __ctype, __err);
@@ -2245,7 +2260,7 @@ namespace std
   template<typename _CharT>
     bool
     __verify_grouping(const basic_string<_CharT>& __grouping, 
-                     basic_string<_CharT>& __grouping_tmp)
+                     const basic_string<_CharT>& __grouping_tmp)
     {         
       size_t __i = 0;
       size_t __j = 0;
index 35140ea..cb3304d 100644 (file)
@@ -233,7 +233,8 @@ namespace std
 
   template
     bool
-    __verify_grouping<C>(const basic_string<C>&, basic_string<C>&);
+    __verify_grouping<C>(const basic_string<C>&,
+                        const basic_string<C>&);
 
   template class __pad<C, char_traits<C> >;
 
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/char/7.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/char/7.cc
new file mode 100644 (file)
index 0000000..7e8e69d
--- /dev/null
@@ -0,0 +1,58 @@
+// 2003-10-25  Paolo Carlini  <pcarlini@suse.de>
+
+// Copyright (C) 2003 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.
+
+// 22.2.2.1.1  num_get members
+
+#include <locale>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+void test01()
+{
+  using namespace std;
+  typedef istreambuf_iterator<char> iterator_type;
+  
+  bool test __attribute__((unused)) = true;
+
+  // cache the num_get facet
+  istringstream iss;
+  const num_get<char>& ng = use_facet<num_get<char> >(iss.getloc()); 
+  ios_base::iostate err = ios_base::goodbit;
+  iterator_type end;
+  double d;
+
+  iss.str("+e3");
+  end = ng.get(iss.rdbuf(), 0, iss, err, d);
+  VERIFY( err == ios_base::failbit );
+  VERIFY( *end == 'e' );
+
+  iss.str(".e+1");
+  iss.clear();
+  err = ios_base::goodbit;
+  end = ng.get(iss.rdbuf(), 0, iss, err, d);
+  VERIFY( err == ios_base::failbit );
+  VERIFY( *end == 'e' );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/7.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/7.cc
new file mode 100644 (file)
index 0000000..fdb9ee7
--- /dev/null
@@ -0,0 +1,58 @@
+// 2003-10-25  Paolo Carlini  <pcarlini@suse.de>
+
+// Copyright (C) 2003 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.
+
+// 22.2.2.1.1  num_get members
+
+#include <locale>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+void test01()
+{
+  using namespace std;
+  typedef istreambuf_iterator<wchar_t> iterator_type;
+  
+  bool test __attribute__((unused)) = true;
+
+  // cache the num_get facet
+  wistringstream iss;
+  const num_get<wchar_t>& ng = use_facet<num_get<wchar_t> >(iss.getloc()); 
+  ios_base::iostate err = ios_base::goodbit;
+  iterator_type end;
+  double d;
+
+  iss.str(L"+e3");
+  end = ng.get(iss.rdbuf(), 0, iss, err, d);
+  VERIFY( err == ios_base::failbit );
+  VERIFY( *end == L'e' );
+
+  iss.str(L".e+1");
+  iss.clear();
+  err = ios_base::goodbit;
+  end = ng.get(iss.rdbuf(), 0, iss, err, d);
+  VERIFY( err == ios_base::failbit );
+  VERIFY( *end == L'e' );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/12750.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/12750.cc
new file mode 100644 (file)
index 0000000..99e4aea
--- /dev/null
@@ -0,0 +1,79 @@
+// 2003-10-27 Paolo Carlini  <pcarlini@suse.de>
+
+// Copyright (C) 2003 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.
+
+// 22.2.5.1.1 time_get members
+
+#include <locale>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+// libstdc++/12750
+void test01()
+{
+  using namespace std;
+  typedef istreambuf_iterator<char> iterator_type;
+
+  bool test __attribute__((unused)) = true;
+
+  // basic construction
+  locale loc_is = __gnu_test::try_named_locale("is_IS");
+
+  // create an ostream-derived object, cache the time_get facet
+  iterator_type end;
+
+  istringstream iss;
+  const time_get<char>& tim_get = use_facet<time_get<char> >(iss.getloc()); 
+
+  const ios_base::iostate good = ios_base::goodbit;
+  ios_base::iostate errorstate = good;
+
+  // create "C" time objects
+  const tm time_bday01 = { 0, 0, 12, 2, 9, 103, 4, 274, -1 };
+  const tm time_bday02 = { 0, 0, 12, 26, 9, 103, 0, 298, -1 };
+
+  // inspection of named locales, is_IS
+  iss.imbue(loc_is);
+
+  iss.str("Fim  2.Okt 2003");
+  iterator_type is_it01(iss);
+  tm time01;
+  errorstate = good;
+  tim_get.get_date(is_it01, end, iss, errorstate, &time01);
+  VERIFY( time01.tm_mon == time_bday01.tm_mon );
+  VERIFY( time01.tm_mday == time_bday01.tm_mday );
+  VERIFY( time01.tm_year == time_bday01.tm_year );
+  VERIFY( errorstate == ios_base::eofbit );
+
+  iss.str("Sun 26.Okt 2003");
+  iterator_type is_it02(iss);
+  tm time02;
+  errorstate = good;
+  tim_get.get_date(is_it02, end, iss, errorstate, &time02);
+  VERIFY( time02.tm_mon == time_bday02.tm_mon );
+  VERIFY( time02.tm_mday == time_bday02.tm_mday );
+  VERIFY( time02.tm_year == time_bday02.tm_year );
+  VERIFY( errorstate == ios_base::eofbit );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/12750.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/12750.cc
new file mode 100644 (file)
index 0000000..c122d65
--- /dev/null
@@ -0,0 +1,79 @@
+// 2003-10-27 Paolo Carlini  <pcarlini@suse.de>
+
+// Copyright (C) 2003 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.
+
+// 22.2.5.1.1 time_get members
+
+#include <locale>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+// libstdc++/12750
+void test01()
+{
+  using namespace std;
+  typedef istreambuf_iterator<wchar_t> iterator_type;
+
+  bool test __attribute__((unused)) = true;
+
+  // basic construction
+  locale loc_is = __gnu_test::try_named_locale("is_IS");
+
+  // create an ostream-derived object, cache the time_get facet
+  iterator_type end;
+
+  wistringstream iss;
+  const time_get<wchar_t>& tim_get = use_facet<time_get<wchar_t> >(iss.getloc()); 
+
+  const ios_base::iostate good = ios_base::goodbit;
+  ios_base::iostate errorstate = good;
+
+  // create "C" time objects
+  const tm time_bday01 = { 0, 0, 12, 2, 9, 103, 4, 274, -1 };
+  const tm time_bday02 = { 0, 0, 12, 26, 9, 103, 0, 298, -1 };
+
+  // inspection of named locales, is_IS
+  iss.imbue(loc_is);
+
+  iss.str(L"Fim  2.Okt 2003");
+  iterator_type is_it01(iss);
+  tm time01;
+  errorstate = good;
+  tim_get.get_date(is_it01, end, iss, errorstate, &time01);
+  VERIFY( time01.tm_mon == time_bday01.tm_mon );
+  VERIFY( time01.tm_mday == time_bday01.tm_mday );
+  VERIFY( time01.tm_year == time_bday01.tm_year );
+  VERIFY( errorstate == ios_base::eofbit );
+
+  iss.str(L"Sun 26.Okt 2003");
+  iterator_type is_it02(iss);
+  tm time02;
+  errorstate = good;
+  tim_get.get_date(is_it02, end, iss, errorstate, &time02);
+  VERIFY( time02.tm_mon == time_bday02.tm_mon );
+  VERIFY( time02.tm_mday == time_bday02.tm_mday );
+  VERIFY( time02.tm_year == time_bday02.tm_year );
+  VERIFY( errorstate == ios_base::eofbit );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}