libstdc++-v3/testsuite/22_locale/num_put/put/char/1.cc

   1 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001, 2002, 2003 Free Software Foundation
   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 2, 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 22.2.2.2.1  num_put members
  22
  23 #include <locale>
  24 #include <sstream>
  25 #include <testsuite_hooks.h>
  26
  27 void test01()
  28 {
  29   using namespace std;
  30   typedef ostreambuf_iterator<char> iterator_type;
  31
  32   bool test __attribute__((unused)) = true;
  33
  34   // basic construction
  35   locale loc_c = locale::classic();
  36   locale loc_hk = __gnu_test::try_named_locale("en_HK");
  37   locale loc_fr = __gnu_test::try_named_locale("fr_FR@euro");
  38   locale loc_de  = __gnu_test::try_named_locale("de_DE");
  39   VERIFY( loc_c != loc_de );
  40   VERIFY( loc_hk != loc_fr );
  41   VERIFY( loc_hk != loc_de );
  42   VERIFY( loc_de != loc_fr );
  43
  44   // cache the numpunct facets
  45   const numpunct<char>& numpunct_de = use_facet<numpunct<char> >(loc_de);
  46
  47   // sanity check the data is correct.
  48   const string empty;
  49   string result1;
  50   string result2;
  51
  52   bool b1 = true;
  53   bool b0 = false;
  54   unsigned long ul1 = 1294967294;
  55   double d1 =  1.7976931348623157e+308;
  56   double d2 = 2.2250738585072014e-308;
  57   long double ld1 = 1.7976931348623157e+308;
  58   long double ld2 = 2.2250738585072014e-308;
  59   const void* cv = &ld1;
  60
  61   // cache the num_put facet
  62   ostringstream oss;
  63   oss.imbue(loc_de);
  64   const num_put<char>& np = use_facet<num_put<char> >(oss.getloc());
  65
  66   // bool, simple
  67   iterator_type os_it00 = oss.rdbuf();
  68   iterator_type os_it01 = np.put(os_it00, oss, '+', b1);
  69   result1 = oss.str();
  70   VERIFY( result1 == "1" );
  71   //  VERIFY( os_it00 != os_it01 );
  72
  73   oss.str(empty);
  74   np.put(oss.rdbuf(), oss, '+', b0);
  75   result2 = oss.str();
  76   VERIFY( result2 == "0" );
  77
  78   // ... and one that does
  79   oss.imbue(loc_de);
  80   oss.str(empty);
  81   oss.clear();
  82   oss.width(20);
  83   oss.setf(ios_base::left, ios_base::adjustfield);
  84   np.put(oss.rdbuf(), oss, '+', ul1);
  85   result1 = oss.str();
  86   VERIFY( result1 == "1.294.967.294+++++++" );
  87
  88   // double
  89   oss.str(empty);
  90   oss.clear();
  91   oss.width(20);
  92   oss.setf(ios_base::left, ios_base::adjustfield);
  93   np.put(oss.rdbuf(), oss, '+', d1);
  94   result1 = oss.str();
  95   VERIFY( result1 == "1,79769e+308++++++++" );
  96
  97   oss.str(empty);
  98   oss.clear();
  99   oss.width(20);
 100   oss.setf(ios_base::right, ios_base::adjustfield);
 101   np.put(oss.rdbuf(), oss, '+', d2);
 102   result1 = oss.str();
 103   VERIFY( result1 == "++++++++2,22507e-308" );
 104
 105   oss.str(empty);
 106   oss.clear();
 107   oss.width(20);
 108   oss.setf(ios_base::right, ios_base::adjustfield);
 109   oss.setf(ios_base::scientific, ios_base::floatfield);
 110   np.put(oss.rdbuf(), oss, '+', d2);
 111   result2 = oss.str();
 112   VERIFY( result2 == "+++++++2,225074e-308" );
 113
 114   oss.str(empty);
 115   oss.clear();
 116   oss.width(20);
 117   oss.precision(10);
 118   oss.setf(ios_base::right, ios_base::adjustfield);
 119   oss.setf(ios_base::scientific, ios_base::floatfield);
 120   oss.setf(ios_base::uppercase);
 121   np.put(oss.rdbuf(), oss, '+', d2);
 122   result1 = oss.str();
 123   VERIFY( result1 == "+++2,2250738585E-308" );
 124
 125   // long double
 126   oss.str(empty);
 127   oss.clear();
 128   np.put(oss.rdbuf(), oss, '+', ld1);
 129   result1 = oss.str();
 130   VERIFY( result1 == "1,7976931349E+308" );
 131
 132   oss.str(empty);
 133   oss.clear();
 134   oss.precision(0);
 135   oss.setf(ios_base::fixed, ios_base::floatfield);
 136   np.put(oss.rdbuf(), oss, '+', ld2);
 137   result1 = oss.str();
 138   VERIFY( result1 == "0" );
 139
 140   // const void
 141   oss.str(empty);
 142   oss.clear();
 143   np.put(oss.rdbuf(), oss, '+', cv);
 144   result1 = oss.str();
 145   // No grouping characters.
 146   VERIFY( !char_traits<char>::find(result1.c_str(),
 147                                    result1.size(),
 148                                    numpunct_de.decimal_point()) );
 149   // Should contain an 'x'.
 150   VERIFY( result1.find('x') == 1 );
 151
 152 #ifdef _GLIBCXX_USE_LONG_LONG
 153   long long ll1 = 9223372036854775807LL;
 154
 155   oss.str(empty);
 156   oss.clear();
 157   np.put(oss.rdbuf(), oss, '+', ll1);
 158   result1 = oss.str();
 159   VERIFY( result1 == "9.223.372.036.854.775.807" );
 160 #endif
 161 }
 162
 163 int main()
 164 {
 165   test01();
 166   return 0;
 167 }
 168
 169