libstdc++-v3/testsuite/22_locale/num_get/get/char/22131.cc

   1 // 2005-06-28  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2005-2024 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 // 22.2.2.1.1  num_get members
  21
  22 #include <locale>
  23 #include <sstream>
  24 #include <testsuite_hooks.h>
  25
  26 struct Punct: std::numpunct<char>
  27 {
  28   std::string do_grouping() const { return "\1"; }
  29   char do_thousands_sep() const { return '#'; }
  30 };
  31
  32 // libstdc++/22131
  33 void test01()
  34 {
  35   using namespace std;
  36   typedef istreambuf_iterator<char> iterator_type;
  37
  38   istringstream iss1, iss2;
  39   iss1.imbue(locale(iss1.getloc(), new Punct));
  40   const num_get<char>& ng1 = use_facet<num_get<char> >(iss1.getloc());
  41
  42   ios_base::iostate err = ios_base::goodbit;
  43   iterator_type end;
  44   long l = 0l;
  45   long l1 = 1l;
  46   long l2 = 2l;
  47   long l3 = 3l;
  48   double d = 0.0;
  49   double d1 = 1.0;
  50   double d2 = 2.0;
  51
  52   iss1.str("00#0#1");
  53   err = ios_base::goodbit;
  54   end = ng1.get(iss1.rdbuf(), 0, iss1, err, l);
  55   VERIFY( err == (ios_base::eofbit | ios_base::failbit) );
  56   VERIFY( l == l1 );
  57
  58   iss1.str("000##2");
  59   iss1.clear();
  60   err = ios_base::goodbit;
  61   end = ng1.get(iss1.rdbuf(), 0, iss1, err, l);
  62   VERIFY( err == ios_base::failbit );
  63   VERIFY( *end == '#' );
  64   VERIFY( l == 0 );
  65
  66   iss1.str("0#0#0#2");
  67   iss1.clear();
  68   err = ios_base::goodbit;
  69   end = ng1.get(iss1.rdbuf(), 0, iss1, err, l);
  70   VERIFY( err == ios_base::eofbit );
  71   VERIFY( l == l2 );
  72
  73   iss1.str("00#0#1");
  74   iss1.clear();
  75   err = ios_base::goodbit;
  76   end = ng1.get(iss1.rdbuf(), 0, iss1, err, d);
  77   VERIFY( err == (ios_base::eofbit | ios_base::failbit) );
  78   VERIFY( d == d1 );
  79
  80   iss1.str("000##2");
  81   iss1.clear();
  82   err = ios_base::goodbit;
  83   end = ng1.get(iss1.rdbuf(), 0, iss1, err, d);
  84   VERIFY( err == ios_base::failbit );
  85   VERIFY( *end == '#' );
  86   VERIFY( d == 0.0 );
  87
  88   iss1.str("0#0#0#2");
  89   iss1.clear();
  90   err = ios_base::goodbit;
  91   end = ng1.get(iss1.rdbuf(), 0, iss1, err, d);
  92   VERIFY( err == ios_base::eofbit );
  93   VERIFY( d == d2 );
  94
  95   iss1.str("0#0");
  96   iss1.clear();
  97   iss1.unsetf(ios::basefield);
  98   err = ios_base::goodbit;
  99   end = ng1.get(iss1.rdbuf(), 0, iss1, err, l);
 100   VERIFY( err == ios_base::failbit );
 101   VERIFY( *end == '#' );
 102   VERIFY( l == 0 );
 103
 104   iss1.str("00#0#3");
 105   iss1.clear();
 106   err = ios_base::goodbit;
 107   end = ng1.get(iss1.rdbuf(), 0, iss1, err, l);
 108   VERIFY( err == ios_base::eofbit );
 109   VERIFY( l == l3 );
 110
 111   iss1.str("00#02");
 112   iss1.clear();
 113   err = ios_base::goodbit;
 114   end = ng1.get(iss1.rdbuf(), 0, iss1, err, l);
 115   VERIFY( err == (ios_base::eofbit | ios_base::failbit) );
 116   VERIFY( l == l2 );
 117 }
 118
 119 int main()
 120 {
 121   test01();
 122   return 0;
 123 }