old-autovect-branch/libstdc++-v3/testsuite/27_io/basic_ostream/sentry/pod/1.cc

   1 // 1999-10-14 bkoz
   2
   3 // Copyright (C) 1999, 2001, 2003, 2005 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 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 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 // 27.6.1.1.2 class basic_istream::sentry
  31
  32 #include <ostream>
  33 #include <sstream>
  34 #include <ext/pod_char_traits.h>
  35 #include <testsuite_hooks.h>
  36 #include <testsuite_character.h>
  37
  38 void test01()
  39 {
  40   using namespace std;
  41   using __gnu_test::pod_ushort;
  42   typedef basic_string<pod_ushort>      string_type;
  43   typedef basic_stringbuf<pod_ushort>   stringbuf_type;
  44   typedef basic_ostream<pod_ushort>     ostream_type;
  45
  46   bool test __attribute__((unused)) = true;
  47
  48
  49   const string_type str01;
  50   stringbuf_type* strbuf01 = NULL;
  51   stringbuf_type strbuf02(str01);
  52   ostream_type ostr01(strbuf01);
  53   ostream_type ostr02(&strbuf02);
  54
  55   // test negatives
  56   try
  57     {
  58       ostream_type::sentry sentry01(ostr01);
  59     }
  60   catch (std::bad_cast& obj)
  61     {
  62       // Not ok, throws bad_cast because locale has no ctype facet,
  63       // but none is needed for ostream::sentry.
  64       VERIFY( false );
  65     }
  66   catch (...)
  67     {
  68       VERIFY( false );
  69     }
  70
  71   // imbued.
  72   const std::locale loc(std::locale::classic(), new std::ctype<pod_ushort>);
  73   ostr01.imbue(loc);
  74   try
  75     {
  76       ostream_type::sentry sentry01(ostr01);
  77       VERIFY( bool(sentry01) == false );
  78     }
  79   catch (...)
  80     {
  81       VERIFY( false );
  82     }
  83
  84   // test positive
  85   try
  86     {
  87       ostream_type::sentry sentry03(ostr02);
  88     }
  89   catch (std::bad_cast& obj)
  90     {
  91       // Not ok, throws bad_cast because locale has no ctype facet,
  92       // but none is needed for ostream::sentry.
  93       VERIFY( false );
  94     }
  95   catch (...)
  96     {
  97       VERIFY( false );
  98     }
  99
 100   // imbued.
 101   ostr02.clear();
 102   ostr02.imbue(loc);
 103   try
 104     {
 105       ostream_type::sentry sentry03(ostr02);
 106       VERIFY( bool(sentry03) == true );
 107     }
 108   catch (...)
 109     {
 110       VERIFY( false );
 111     }
 112 }
 113
 114 #if !__GXX_WEAK__
 115 // Explicitly instantiate for systems with no COMDAT or weak support.
 116 template
 117   std::basic_string<__gnu_test::pod_ushort>::size_type
 118   std::basic_string<__gnu_test::pod_ushort>::_Rep::_S_max_size;
 119
 120 template
 121   __gnu_test::pod_ushort
 122   std::basic_string<__gnu_test::pod_ushort>::_Rep::_S_terminal;
 123 #endif
 124
 125 int main()
 126 {
 127   test01();
 128   return 0;
 129 }