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

   1 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001-2016 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
  30   // Check num_put works with other iterators besides streambuf
  31   // output iterators. (As long as output_iterator requirements are met.)
  32   typedef wstring::iterator iter_type;
  33   typedef char_traits<wchar_t> traits;
  34   typedef num_put<wchar_t, iter_type> num_put_type;
  35   const locale loc_c = locale::classic();
  36   const wstring str(L"1798 Lady Elgin");
  37   const wstring x(18, L'x'); // have to have allocated wstring!
  38   wstring res;               // allow for "0x" + 16 hex digits (64-bit pointer)
  39
  40   wostringstream oss;
  41   oss.imbue(locale(loc_c, new num_put_type));
  42
  43   // Iterator advanced, state, output.
  44   const num_put_type& tp = use_facet<num_put_type>(oss.getloc());
  45
  46   // 01 put(long)
  47   // 02 put(long double)
  48   // 03 put(bool)
  49   // 04 put(void*)
  50
  51   // 01 put(long)
  52   const long l = 1798;
  53   res = x;
  54   iter_type ret1 = tp.put(res.begin(), oss, L' ', l);
  55   wstring sanity1(res.begin(), ret1);
  56   VERIFY( res == L"1798xxxxxxxxxxxxxx" );
  57   VERIFY( sanity1 == L"1798" );
  58
  59   // 02 put(long double)
  60   const long double ld = 1798.0;
  61   res = x;
  62   iter_type ret2 = tp.put(res.begin(), oss, L' ', ld);
  63   wstring sanity2(res.begin(), ret2);
  64   VERIFY( res == L"1798xxxxxxxxxxxxxx" );
  65   VERIFY( sanity2 == L"1798" );
  66
  67   // 03 put(bool)
  68   bool b = 1;
  69   res = x;
  70   iter_type ret3 = tp.put(res.begin(), oss, L' ', b);
  71   wstring sanity3(res.begin(), ret3);
  72   VERIFY( res == L"1xxxxxxxxxxxxxxxxx" );
  73   VERIFY( sanity3 == L"1" );
  74
  75   b = 0;
  76   res = x;
  77   oss.setf(ios_base::boolalpha);
  78   iter_type ret4 = tp.put(res.begin(), oss, L' ', b);
  79   wstring sanity4(res.begin(), ret4);
  80   VERIFY( res == L"falsexxxxxxxxxxxxx" );
  81   VERIFY( sanity4 == L"false" );
  82
  83   // 04 put(void*)
  84   oss.clear();
  85   const void* cv = &ld;
  86   res = x;
  87   oss.setf(ios_base::fixed, ios_base::floatfield);
  88   iter_type ret5 = tp.put(res.begin(), oss, L' ', cv);
  89   wstring sanity5(res.begin(), ret5);
  90   VERIFY( sanity5.size() );
  91   VERIFY( sanity5[1] == L'x' );
  92 }
  93
  94 int main()
  95 {
  96   test04();
  97   return 0;
  98 }