libstdc++-v3/testsuite/22_locale/money_get/get/char/19.cc

   1 // 2004-03-15  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2004-2020 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 // 22.2.6.1.1 money_get members
  21
  22 #include <locale>
  23 #include <sstream>
  24 #include <testsuite_hooks.h>
  25
  26 struct My_money_io_01 : public std::moneypunct<char, false>
  27 {
  28   std::string do_curr_symbol() const { return "$"; }
  29   std::string do_positive_sign() const { return ""; }
  30   std::string do_negative_sign() const { return ""; }
  31
  32   pattern do_neg_format() const
  33   {
  34     pattern pat = { { value, symbol, none, sign } };
  35     return pat;
  36   }
  37 };
  38
  39 struct My_money_io_02 : public std::moneypunct<char, false>
  40 {
  41   std::string do_curr_symbol() const { return "%"; }
  42   std::string do_positive_sign() const { return ""; }
  43   std::string do_negative_sign() const { return "-"; }
  44
  45   pattern do_neg_format() const
  46   {
  47     pattern pat = { { value, symbol, sign, none } };
  48     return pat;
  49   }
  50 };
  51
  52 struct My_money_io_03 : public std::moneypunct<char, false>
  53 {
  54   std::string do_curr_symbol() const { return "&"; }
  55   std::string do_positive_sign() const { return ""; }
  56   std::string do_negative_sign() const { return ""; }
  57
  58   pattern do_neg_format() const
  59   {
  60     pattern pat = { { value, space, symbol, sign } };
  61     return pat;
  62   }
  63 };
  64
  65 // When both do_positive_sign and do_negative_sign return an empty
  66 // string, patterns of the forms { value, symbol, none, sign },
  67 // { value, symbol, sign, none } and { X, Y, symbol, sign } imply
  68 // that the symbol is not consumed since no other characters are
  69 // needed to complete the format.
  70 void test01()
  71 {
  72   using namespace std;
  73   typedef istreambuf_iterator<char> iterator_type;
  74
  75   // basic construction
  76   locale loc_01(locale::classic(), new My_money_io_01);
  77   locale loc_02(locale::classic(), new My_money_io_02);
  78   locale loc_03(locale::classic(), new My_money_io_03);
  79
  80   iterator_type end, end01, end02, end03;
  81   istringstream iss_01, iss_02, iss_03;
  82   iss_01.imbue(loc_01);
  83   iss_02.imbue(loc_02);
  84   iss_03.imbue(loc_03);
  85   // cache the money_get facet
  86   const money_get<char>& mon_get_01 =
  87     use_facet<money_get<char> >(iss_01.getloc());
  88   const money_get<char>& mon_get_02 =
  89     use_facet<money_get<char> >(iss_02.getloc());
  90   const money_get<char>& mon_get_03 =
  91     use_facet<money_get<char> >(iss_03.getloc());
  92
  93   iss_01.str("10$");
  94   iterator_type is_it01(iss_01);
  95   string result01;
  96   ios_base::iostate err01 = ios_base::goodbit;
  97   end01 = mon_get_01.get(is_it01, end, false, iss_01, err01, result01);
  98   VERIFY( err01 == ios_base::goodbit );
  99   VERIFY( *end01 == '$' );
 100
 101   iss_02.str("50%");
 102   iterator_type is_it02(iss_02);
 103   string result02;
 104   ios_base::iostate err02 = ios_base::goodbit;
 105   end02 = mon_get_02.get(is_it02, end, false, iss_02, err02, result02);
 106   VERIFY( err02 == ios_base::goodbit );
 107   VERIFY( *end02 == '%' );
 108
 109   iss_03.str("7 &");
 110   iterator_type is_it03(iss_03);
 111   string result03;
 112   ios_base::iostate err03 = ios_base::goodbit;
 113   end03 = mon_get_03.get(is_it03, end, false, iss_03, err03, result03);
 114   VERIFY( err03 == ios_base::goodbit );
 115   VERIFY( *end03 == '&' );
 116 }
 117
 118 int main()
 119 {
 120   test01();
 121   return 0;
 122 }