libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/37958.cc

   1 // 2008-10-31  Paolo Carlini  <paolo.carlini@oracle.com>
   2
   3 // Copyright (C) 2008-2024 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 Punct1: std::numpunct<wchar_t>
  27 {
  28   std::wstring do_truename() const { return L"a"; }
  29   std::wstring do_falsename() const { return L"abb"; }
  30 };
  31
  32 struct Punct2: std::numpunct<wchar_t>
  33 {
  34   std::wstring do_truename() const { return L"1"; }
  35   std::wstring do_falsename() const { return L"0"; }
  36 };
  37
  38 struct Punct3: std::numpunct<wchar_t>
  39 {
  40   std::wstring do_truename() const { return L""; }
  41   std::wstring do_falsename() const { return L""; }
  42 };
  43
  44 struct Punct4: std::numpunct<wchar_t>
  45 {
  46   std::wstring do_truename() const { return L"one"; }
  47   std::wstring do_falsename() const { return L"two"; }
  48 };
  49
  50 // libstdc++/37958
  51 void test01()
  52 {
  53   using namespace std;
  54   typedef istreambuf_iterator<wchar_t> iterator_type;
  55
  56   wistringstream iss0, iss1, iss2, iss3, iss4;
  57   iss1.imbue(locale(iss1.getloc(), new Punct1));
  58   iss2.imbue(locale(iss2.getloc(), new Punct2));
  59   iss3.imbue(locale(iss3.getloc(), new Punct3));
  60   iss4.imbue(locale(iss4.getloc(), new Punct4));
  61   const num_get<wchar_t>& ng0 = use_facet<num_get<wchar_t> >(iss0.getloc());
  62   const num_get<wchar_t>& ng1 = use_facet<num_get<wchar_t> >(iss1.getloc());
  63   const num_get<wchar_t>& ng2 = use_facet<num_get<wchar_t> >(iss2.getloc());
  64   const num_get<wchar_t>& ng3 = use_facet<num_get<wchar_t> >(iss3.getloc());
  65   const num_get<wchar_t>& ng4 = use_facet<num_get<wchar_t> >(iss4.getloc());
  66
  67   ios_base::iostate err = ios_base::goodbit;
  68   iterator_type end;
  69   bool b0 = false;
  70   bool b1 = false;
  71   bool b2 = false;
  72   bool b3 = true;
  73   bool b4 = false;
  74
  75   iss0.str(L"true");
  76   iss0.setf(ios_base::boolalpha);
  77   err = ios_base::goodbit;
  78   end = ng0.get(iss0.rdbuf(), 0, iss0, err, b0);
  79   VERIFY( err == ios_base::goodbit );
  80   VERIFY( b0 == true );
  81
  82   iss0.str(L"false");
  83   iss0.clear();
  84   err = ios_base::goodbit;
  85   end = ng0.get(iss0.rdbuf(), 0, iss0, err, b0);
  86   VERIFY( err == ios_base::goodbit );
  87   VERIFY( b0 == false );
  88
  89   iss1.str(L"a");
  90   iss1.setf(ios_base::boolalpha);
  91   err = ios_base::goodbit;
  92   end = ng1.get(iss1.rdbuf(), 0, iss1, err, b1);
  93   VERIFY( err == ios_base::eofbit );
  94   VERIFY( b1 == true );
  95
  96   iss1.str(L"abb");
  97   iss1.clear();
  98   err = ios_base::goodbit;
  99   end = ng1.get(iss1.rdbuf(), 0, iss1, err, b1);
 100   VERIFY( err == ios_base::goodbit );
 101   VERIFY( b1 == false );
 102
 103   iss1.str(L"abc");
 104   iss1.clear();
 105   err = ios_base::goodbit;
 106   end = ng1.get(iss1.rdbuf(), 0, iss1, err, b1);
 107   VERIFY( err == ios_base::failbit );
 108   VERIFY( b1 == false );
 109   VERIFY( *end == L'c' );
 110
 111   iss1.str(L"ab");
 112   iss1.clear();
 113   b1 = true;
 114   err = ios_base::goodbit;
 115   end = ng1.get(iss1.rdbuf(), 0, iss1, err, b1);
 116   VERIFY( err == (ios_base::failbit | ios_base::eofbit) );
 117   VERIFY( b1 == false );
 118
 119   iss2.str(L"1");
 120   iss2.setf(ios_base::boolalpha);
 121   err = ios_base::goodbit;
 122   end = ng2.get(iss2.rdbuf(), 0, iss2, err, b2);
 123   VERIFY( err == ios_base::goodbit );
 124   VERIFY( b2 == true );
 125
 126   iss2.str(L"0");
 127   iss2.clear();
 128   err = ios_base::goodbit;
 129   end = ng2.get(iss2.rdbuf(), 0, iss2, err, b2);
 130   VERIFY( err == ios_base::goodbit );
 131   VERIFY( b2 == false );
 132
 133   iss2.str(L"2");
 134   iss2.clear();
 135   b2 = true;
 136   err = ios_base::goodbit;
 137   end = ng2.get(iss2.rdbuf(), 0, iss2, err, b2);
 138   VERIFY( err == ios_base::failbit );
 139   VERIFY( b2 == false );
 140   VERIFY( *end == L'2' );
 141
 142   iss3.str(L"blah");
 143   iss3.setf(ios_base::boolalpha);
 144   err = ios_base::goodbit;
 145   end = ng3.get(iss3.rdbuf(), 0, iss3, err, b3);
 146   VERIFY( err == ios_base::failbit );
 147   VERIFY( b3 == false );
 148   VERIFY( *end == L'b' );
 149
 150   iss3.str(L"");
 151   iss3.clear();
 152   b3 = true;
 153   err = ios_base::goodbit;
 154   end = ng3.get(iss3.rdbuf(), 0, iss3, err, b3);
 155   VERIFY( err == ios_base::failbit );
 156   VERIFY( b3 == false );
 157
 158   iss4.str(L"one");
 159   iss4.setf(ios_base::boolalpha);
 160   err = ios_base::goodbit;
 161   end = ng4.get(iss4.rdbuf(), 0, iss4, err, b4);
 162   VERIFY( err == ios_base::goodbit );
 163   VERIFY( b4 == true );
 164
 165   iss4.str(L"two");
 166   iss4.clear();
 167   err = ios_base::goodbit;
 168   end = ng4.get(iss4.rdbuf(), 0, iss4, err, b4);
 169   VERIFY( err == ios_base::goodbit );
 170   VERIFY( b4 == false );
 171
 172   iss4.str(L"three");
 173   iss4.clear();
 174   b4 = true;
 175   err = ios_base::goodbit;
 176   end = ng4.get(iss4.rdbuf(), 0, iss4, err, b4);
 177   VERIFY( err == ios_base::failbit );
 178   VERIFY( b4 == false );
 179   VERIFY( *end == L'h' );
 180
 181   iss4.str(L"on");
 182   iss4.clear();
 183   b4 = true;
 184   err = ios_base::goodbit;
 185   end = ng4.get(iss4.rdbuf(), 0, iss4, err, b4);
 186   VERIFY( err == (ios_base::failbit | ios_base::eofbit) );
 187   VERIFY( b4 == false );
 188 }
 189
 190 int main()
 191 {
 192   test01();
 193   return 0;
 194 }