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 = true;
  33
  34   // basic construction
  35   locale loc_c = locale::classic();
  36   locale loc_hk("en_HK");
  37   locale loc_fr("fr_FR@euro");
  38   locale loc_de("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_c = use_facet<numpunct<char> >(loc_c);
  46   const numpunct<char>& numpunct_de = use_facet<numpunct<char> >(loc_de);
  47   const numpunct<char>& numpunct_hk = use_facet<numpunct<char> >(loc_hk);
  48
  49   // sanity check the data is correct.
  50   const string empty;
  51   string result1;
  52   string result2;
  53   char c;
  54
  55   bool b1 = true;
  56   bool b0 = false;
  57   long l1 = 2147483647;
  58   long l2 = -2147483647;
  59   unsigned long ul1 = 1294967294;
  60   unsigned long ul2 = 0;
  61   double d1 =  1.7976931348623157e+308;
  62   double d2 = 2.2250738585072014e-308;
  63   long double ld1 = 1.7976931348623157e+308;
  64   long double ld2 = 2.2250738585072014e-308;
  65   const void* cv = &ld1;
  66
  67   // cache the num_put facet
  68   ostringstream oss;
  69   oss.imbue(loc_de);
  70   const num_put<char>& np = use_facet<num_put<char> >(oss.getloc());
  71
  72   // bool, simple
  73   iterator_type os_it00 = oss.rdbuf();
  74   iterator_type os_it01 = np.put(os_it00, oss, '+', b1);
  75   result1 = oss.str();
  76   VERIFY( result1 == "1" );
  77   //  VERIFY( os_it00 != os_it01 );
  78
  79   oss.str(empty);
  80   np.put(oss.rdbuf(), oss, '+', b0);
  81   result2 = oss.str();
  82   VERIFY( result2 == "0" );
  83
  84   // ... and one that does
  85   oss.imbue(loc_de);
  86   oss.str(empty);
  87   oss.clear();
  88   oss.width(20);
  89   oss.setf(ios_base::left, ios_base::adjustfield);
  90   np.put(oss.rdbuf(), oss, '+', ul1);
  91   result1 = oss.str();
  92   VERIFY( result1 == "1.294.967.294+++++++" );
  93
  94   // double
  95   oss.str(empty);
  96   oss.clear();
  97   oss.width(20);
  98   oss.setf(ios_base::left, ios_base::adjustfield);
  99   np.put(oss.rdbuf(), oss, '+', d1);
 100   result1 = oss.str();
 101   VERIFY( result1 == "1,79769e+308++++++++" );
 102
 103   oss.str(empty);
 104   oss.clear();
 105   oss.width(20);
 106   oss.setf(ios_base::right, ios_base::adjustfield);
 107   np.put(oss.rdbuf(), oss, '+', d2);
 108   result1 = oss.str();
 109   VERIFY( result1 == "++++++++2,22507e-308" );
 110
 111   oss.str(empty);
 112   oss.clear();
 113   oss.width(20);
 114   oss.setf(ios_base::right, ios_base::adjustfield);
 115   oss.setf(ios_base::scientific, ios_base::floatfield);
 116   np.put(oss.rdbuf(), oss, '+', d2);
 117   result2 = oss.str();
 118   VERIFY( result2 == "+++++++2,225074e-308" );
 119
 120   oss.str(empty);
 121   oss.clear();
 122   oss.width(20);
 123   oss.precision(10);
 124   oss.setf(ios_base::right, ios_base::adjustfield);
 125   oss.setf(ios_base::scientific, ios_base::floatfield);
 126   oss.setf(ios_base::uppercase);
 127   np.put(oss.rdbuf(), oss, '+', d2);
 128   result1 = oss.str();
 129   VERIFY( result1 == "+++2,2250738585E-308" );
 130
 131   // long double
 132   oss.str(empty);
 133   oss.clear();
 134   np.put(oss.rdbuf(), oss, '+', ld1);
 135   result1 = oss.str();
 136   VERIFY( result1 == "1,7976931349E+308" );
 137
 138   oss.str(empty);
 139   oss.clear();
 140   oss.precision(0);
 141   oss.setf(ios_base::fixed, ios_base::floatfield);
 142   np.put(oss.rdbuf(), oss, '+', ld2);
 143   result1 = oss.str();
 144   VERIFY( result1 == "0" );
 145
 146   // const void
 147   oss.str(empty);
 148   oss.clear();
 149   np.put(oss.rdbuf(), oss, '+', cv);
 150   result1 = oss.str();
 151   // No grouping characters.
 152   VERIFY( !char_traits<char>::find(result1.c_str(),
 153                                    result1.size(),
 154                                    numpunct_de.decimal_point()) );
 155   // Should contain an 'x'.
 156   VERIFY( result1.find('x') == 1 );
 157
 158 #ifdef _GLIBCPP_USE_LONG_LONG
 159   long long ll1 = 9223372036854775807LL;
 160   long long ll2 = -9223372036854775807LL;
 161
 162   oss.str(empty);
 163   oss.clear();
 164   np.put(oss.rdbuf(), oss, '+', ll1);
 165   result1 = oss.str();
 166   VERIFY( result1 == "9.223.372.036.854.775.807" );
 167 #endif
 168 }
 169
 170 int main()
 171 {
 172   test01();
 173   return 0;
 174 }
 175
 176