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

   1 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001-2015 Free Software Foundation, Inc.
   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 3, 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 COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 22.2.2.2.1  num_put members
  21
  22 #include <locale>
  23 #include <sstream>
  24 #include <testsuite_hooks.h>
  25
  26 void test04()
  27 {
  28   using namespace std;
  29   bool test __attribute__((unused)) = true;
  30
  31   // Check num_put works with other iterators besides streambuf
  32   // output iterators. (As long as output_iterator requirements are met.)
  33   typedef string::iterator iter_type;
  34   typedef char_traits<char> traits;
  35   typedef num_put<char, iter_type> num_put_type;
  36   const locale loc_c = locale::classic();
  37   const string str("1798 Lady Elgin");
  38   const string x(18, 'x'); // have to have allocated string!
  39                            // allow for "0x" + 16 hex digits (64-bit pointer)
  40   string res;
  41
  42   ostringstream oss;
  43   oss.imbue(locale(loc_c, new num_put_type));
  44
  45   // Iterator advanced, state, output.
  46   const num_put_type& tp = use_facet<num_put_type>(oss.getloc());
  47
  48   // 01 put(long)
  49   // 02 put(long double)
  50   // 03 put(bool)
  51   // 04 put(void*)
  52
  53   // 01 put(long)
  54   const long l = 1798;
  55   res = x;
  56   iter_type ret1 = tp.put(res.begin(), oss, ' ', l);
  57   string sanity1(res.begin(), ret1);
  58   VERIFY( res == "1798xxxxxxxxxxxxxx" );
  59   VERIFY( sanity1 == "1798" );
  60
  61   // 02 put(long double)
  62   const long double ld = 1798.0;
  63   res = x;
  64   iter_type ret2 = tp.put(res.begin(), oss, ' ', ld);
  65   string sanity2(res.begin(), ret2);
  66   VERIFY( res == "1798xxxxxxxxxxxxxx" );
  67   VERIFY( sanity2 == "1798" );
  68
  69   // 03 put(bool)
  70   bool b = 1;
  71   res = x;
  72   iter_type ret3 = tp.put(res.begin(), oss, ' ', b);
  73   string sanity3(res.begin(), ret3);
  74   VERIFY( res == "1xxxxxxxxxxxxxxxxx" );
  75   VERIFY( sanity3 == "1" );
  76
  77   b = 0;
  78   res = x;
  79   oss.setf(ios_base::boolalpha);
  80   iter_type ret4 = tp.put(res.begin(), oss, ' ', b);
  81   string sanity4(res.begin(), ret4);
  82   VERIFY( res == "falsexxxxxxxxxxxxx" );
  83   VERIFY( sanity4 == "false" );
  84
  85   // 04 put(void*)
  86   oss.clear();
  87   const void* cv = &ld;
  88   res = x;
  89   oss.setf(ios_base::fixed, ios_base::floatfield);
  90   iter_type ret5 = tp.put(res.begin(), oss, ' ', cv);
  91   string sanity5(res.begin(), ret5);
  92   VERIFY( sanity5.size() );
  93   VERIFY( sanity5[1] == 'x' );
  94 }
  95
  96 int main()
  97 {
  98   test04();
  99   return 0;
 100 }
 101
 102