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

   1 // { dg-require-namedlocale "" }
   2
   3 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
   4
   5 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
   6 // Free Software Foundation
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 2, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING.  If not, write to the Free
  21 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  22 // USA.
  23
  24 // 22.2.2.2.1  num_put members
  25
  26 #include <locale>
  27 #include <sstream>
  28 #include <testsuite_hooks.h>
  29
  30 void test01()
  31 {
  32   using namespace std;
  33   typedef ostreambuf_iterator<wchar_t> iterator_type;
  34
  35   bool test __attribute__((unused)) = true;
  36
  37   // basic construction
  38   locale loc_c = locale::classic();
  39   locale loc_de = locale("de_DE");
  40   VERIFY( loc_c != loc_de );
  41
  42   // cache the numpunct facets
  43   const numpunct<wchar_t>& numpunct_de = use_facet<numpunct<wchar_t> >(loc_de);
  44
  45   // sanity check the data is correct.
  46   const wstring empty;
  47   wstring result1;
  48   wstring result2;
  49
  50   bool b1 = true;
  51   bool b0 = false;
  52   unsigned long ul1 = 1294967294;
  53   double d1 =  1.7976931348623157e+308;
  54   double d2 = 2.2250738585072014e-308;
  55   long double ld1 = 1.7976931348623157e+308;
  56   long double ld2 = 2.2250738585072014e-308;
  57   const void* cv = &ld1;
  58
  59   // cache the num_put facet
  60   wostringstream oss;
  61   oss.imbue(loc_de);
  62   const num_put<wchar_t>& np = use_facet<num_put<wchar_t> >(oss.getloc());
  63
  64   // bool, simple
  65   iterator_type os_it00 = oss.rdbuf();
  66   iterator_type os_it01 = np.put(os_it00, oss, L'+', b1);
  67   result1 = oss.str();
  68   VERIFY( result1 == L"1" );
  69
  70   oss.str(empty);
  71   np.put(oss.rdbuf(), oss, L'+', b0);
  72   result2 = oss.str();
  73   VERIFY( result2 == L"0" );
  74
  75   // ... and one that does
  76   oss.imbue(loc_de);
  77   oss.str(empty);
  78   oss.clear();
  79   oss.width(20);
  80   oss.setf(ios_base::left, ios_base::adjustfield);
  81   np.put(oss.rdbuf(), oss, L'+', ul1);
  82   result1 = oss.str();
  83   VERIFY( result1 == L"1.294.967.294+++++++" );
  84
  85   // double
  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, L'+', d1);
  91   result1 = oss.str();
  92   VERIFY( result1 == L"1,79769e+308++++++++" );
  93
  94   oss.str(empty);
  95   oss.clear();
  96   oss.width(20);
  97   oss.setf(ios_base::right, ios_base::adjustfield);
  98   np.put(oss.rdbuf(), oss, L'+', d2);
  99   result1 = oss.str();
 100   VERIFY( result1 == L"++++++++2,22507e-308" );
 101
 102   oss.str(empty);
 103   oss.clear();
 104   oss.width(20);
 105   oss.setf(ios_base::right, ios_base::adjustfield);
 106   oss.setf(ios_base::scientific, ios_base::floatfield);
 107   np.put(oss.rdbuf(), oss, L'+', d2);
 108   result2 = oss.str();
 109   VERIFY( result2 == L"+++++++2,225074e-308" );
 110
 111   oss.str(empty);
 112   oss.clear();
 113   oss.width(20);
 114   oss.precision(10);
 115   oss.setf(ios_base::right, ios_base::adjustfield);
 116   oss.setf(ios_base::scientific, ios_base::floatfield);
 117   oss.setf(ios_base::uppercase);
 118   np.put(oss.rdbuf(), oss, L'+', d2);
 119   result1 = oss.str();
 120   VERIFY( result1 == L"+++2,2250738585E-308" );
 121
 122   // long double
 123   oss.str(empty);
 124   oss.clear();
 125   np.put(oss.rdbuf(), oss, L'+', ld1);
 126   result1 = oss.str();
 127   VERIFY( result1 == L"1,7976931349E+308" );
 128
 129   oss.str(empty);
 130   oss.clear();
 131   oss.precision(0);
 132   oss.setf(ios_base::fixed, ios_base::floatfield);
 133   np.put(oss.rdbuf(), oss, L'+', ld2);
 134   result1 = oss.str();
 135   VERIFY( result1 == L"0" );
 136
 137   // const void*
 138   oss.str(empty);
 139   oss.clear();
 140   np.put(oss.rdbuf(), oss, L'+', cv);
 141   result1 = oss.str();
 142   // No grouping characters.
 143   VERIFY( !char_traits<wchar_t>::find(result1.c_str(),
 144                                    result1.size(),
 145                                    numpunct_de.decimal_point()) );
 146   // Should contain an 'x'.
 147   VERIFY( result1.find(L'x') == 1 );
 148
 149 #ifdef _GLIBCXX_USE_LONG_LONG
 150   long long ll1 = 9223372036854775807LL;
 151
 152   oss.str(empty);
 153   oss.clear();
 154   np.put(oss.rdbuf(), oss, L'+', ll1);
 155   result1 = oss.str();
 156   VERIFY( result1 == L"9.223.372.036.854.775.807" );
 157 #endif
 158 }
 159
 160 int main()
 161 {
 162   test01();
 163   return 0;
 164 }