libstdc++-v3/testsuite/22_locale/num_put/put/char/4.cc

   1 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001, 2002, 2003, 2004 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  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 test04()
  28 {
  29   using namespace std;
  30   bool test __attribute__((unused)) = true;
  31
  32   // Check num_put works with other iterators besides streambuf
  33   // output iterators. (As long as output_iterator requirements are met.)
  34   typedef string::iterator iter_type;
  35   typedef char_traits<char> traits;
  36   typedef num_put<char, iter_type> num_put_type;
  37   const locale loc_c = locale::classic();
  38   const string str("1798 Lady Elgin");
  39   const string x(18, 'x'); // have to have allocated string!
  40                            // allow for "0x" + 16 hex digits (64-bit pointer)
  41   string res;
  42
  43   ostringstream oss;
  44   oss.imbue(locale(loc_c, new num_put_type));
  45
  46   // Iterator advanced, state, output.
  47   const num_put_type& tp = use_facet<num_put_type>(oss.getloc());
  48
  49   // 01 put(long)
  50   // 02 put(long double)
  51   // 03 put(bool)
  52   // 04 put(void*)
  53
  54   // 01 put(long)
  55   const long l = 1798;
  56   res = x;
  57   iter_type ret1 = tp.put(res.begin(), oss, ' ', l);
  58   string sanity1(res.begin(), ret1);
  59   VERIFY( res == "1798xxxxxxxxxxxxxx" );
  60   VERIFY( sanity1 == "1798" );
  61
  62   // 02 put(long double)
  63   const long double ld = 1798.0;
  64   res = x;
  65   iter_type ret2 = tp.put(res.begin(), oss, ' ', ld);
  66   string sanity2(res.begin(), ret2);
  67   VERIFY( res == "1798xxxxxxxxxxxxxx" );
  68   VERIFY( sanity2 == "1798" );
  69
  70   // 03 put(bool)
  71   bool b = 1;
  72   res = x;
  73   iter_type ret3 = tp.put(res.begin(), oss, ' ', b);
  74   string sanity3(res.begin(), ret3);
  75   VERIFY( res == "1xxxxxxxxxxxxxxxxx" );
  76   VERIFY( sanity3 == "1" );
  77
  78   b = 0;
  79   res = x;
  80   oss.setf(ios_base::boolalpha);
  81   iter_type ret4 = tp.put(res.begin(), oss, ' ', b);
  82   string sanity4(res.begin(), ret4);
  83   VERIFY( res == "falsexxxxxxxxxxxxx" );
  84   VERIFY( sanity4 == "false" );
  85
  86   // 04 put(void*)
  87   oss.clear();
  88   const void* cv = &ld;
  89   res = x;
  90   oss.setf(ios_base::fixed, ios_base::floatfield);
  91   iter_type ret5 = tp.put(res.begin(), oss, ' ', cv);
  92   string sanity5(res.begin(), ret5);
  93   VERIFY( sanity5.size() );
  94   VERIFY( sanity5[1] == 'x' );
  95 }
  96
  97 int main()
  98 {
  99   test04();
 100   return 0;
 101 }
 102
 103