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

   1 // { dg-require-namedlocale "de_DE.ISO8859-15" }
   2
   3 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
   4
   5 // Copyright (C) 2001-2020 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // 22.2.2.2.1  num_put members
  23
  24 #include <locale>
  25 #include <sstream>
  26 #include <testsuite_hooks.h>
  27
  28 void test01()
  29 {
  30   using namespace std;
  31   typedef ostreambuf_iterator<char> iterator_type;
  32
  33   // basic construction
  34   locale loc_c = locale::classic();
  35   locale loc_de  = locale(ISO_8859(15,de_DE));
  36   VERIFY( loc_c != loc_de );
  37
  38   // cache the numpunct facets
  39   const numpunct<char>& numpunct_de = use_facet<numpunct<char> >(loc_de);
  40
  41   // sanity check the data is correct.
  42   const string empty;
  43   string result1;
  44   string result2;
  45
  46   bool b1 = true;
  47   bool b0 = false;
  48   unsigned long ul1 = 1294967294;
  49   double d1 =  1.7976931348623157e+308;
  50   double d2 = 2.2250738585072014e-308;
  51   long double ld1 = 1.7976931348623157e+308;
  52   long double ld2 = 2.2250738585072014e-308;
  53   const void* cv = &ld1;
  54
  55   // cache the num_put facet
  56   ostringstream oss;
  57   oss.imbue(loc_de);
  58   const num_put<char>& np = use_facet<num_put<char> >(oss.getloc());
  59
  60   // bool, simple
  61   iterator_type os_it00 = oss.rdbuf();
  62   np.put(os_it00, oss, '+', b1);
  63   result1 = oss.str();
  64   VERIFY( result1 == "1" );
  65
  66   oss.str(empty);
  67   np.put(oss.rdbuf(), oss, '+', b0);
  68   result2 = oss.str();
  69   VERIFY( result2 == "0" );
  70
  71   // ... and one that does
  72   oss.imbue(loc_de);
  73   oss.str(empty);
  74   oss.clear();
  75   oss.width(20);
  76   oss.setf(ios_base::left, ios_base::adjustfield);
  77   np.put(oss.rdbuf(), oss, '+', ul1);
  78   result1 = oss.str();
  79   VERIFY( result1 == "1.294.967.294+++++++" );
  80
  81   // double
  82   oss.str(empty);
  83   oss.clear();
  84   oss.width(20);
  85   oss.setf(ios_base::left, ios_base::adjustfield);
  86   np.put(oss.rdbuf(), oss, '+', d1);
  87   result1 = oss.str();
  88   VERIFY( result1 == "1,79769e+308++++++++" );
  89
  90   oss.str(empty);
  91   oss.clear();
  92   oss.width(20);
  93   oss.setf(ios_base::right, ios_base::adjustfield);
  94   np.put(oss.rdbuf(), oss, '+', d2);
  95   result1 = oss.str();
  96   VERIFY( result1 == "++++++++2,22507e-308" );
  97
  98   oss.str(empty);
  99   oss.clear();
 100   oss.width(20);
 101   oss.setf(ios_base::right, ios_base::adjustfield);
 102   oss.setf(ios_base::scientific, ios_base::floatfield);
 103   np.put(oss.rdbuf(), oss, '+', d2);
 104   result2 = oss.str();
 105   VERIFY( result2 == "+++++++2,225074e-308" );
 106
 107   oss.str(empty);
 108   oss.clear();
 109   oss.width(20);
 110   oss.precision(10);
 111   oss.setf(ios_base::right, ios_base::adjustfield);
 112   oss.setf(ios_base::scientific, ios_base::floatfield);
 113   oss.setf(ios_base::uppercase);
 114   np.put(oss.rdbuf(), oss, '+', d2);
 115   result1 = oss.str();
 116   VERIFY( result1 == "+++2,2250738585E-308" );
 117
 118   // long double
 119   oss.str(empty);
 120   oss.clear();
 121   np.put(oss.rdbuf(), oss, '+', ld1);
 122   result1 = oss.str();
 123   VERIFY( result1 == "1,7976931349E+308" );
 124
 125   oss.str(empty);
 126   oss.clear();
 127   oss.precision(0);
 128   oss.setf(ios_base::fixed, ios_base::floatfield);
 129   np.put(oss.rdbuf(), oss, '+', ld2);
 130   result1 = oss.str();
 131   VERIFY( result1 == "0" );
 132
 133   // const void*
 134   oss.str(empty);
 135   oss.clear();
 136   np.put(oss.rdbuf(), oss, '+', cv);
 137   result1 = oss.str();
 138   // No grouping characters.
 139   VERIFY( !char_traits<char>::find(result1.c_str(),
 140                                    result1.size(),
 141                                    numpunct_de.decimal_point()) );
 142   // Should contain an 'x'.
 143   VERIFY( result1.find('x') == 1 );
 144
 145 #ifdef _GLIBCXX_USE_LONG_LONG
 146   long long ll1 = 9223372036854775807LL;
 147
 148   oss.str(empty);
 149   oss.clear();
 150   np.put(oss.rdbuf(), oss, '+', ll1);
 151   result1 = oss.str();
 152   VERIFY( result1 == "9.223.372.036.854.775.807" );
 153 #endif
 154 }
 155
 156 int main()
 157 {
 158   test01();
 159   return 0;
 160 }
 161
 162