libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/3.cc

   1 // 1999-06-04 bkoz
   2
   3 // Copyright (C) 1999, 2000, 2001, 2002, 2003 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 21.3.1 basic_string constructors.
  22
  23 #include <new>
  24 #include <string>
  25 #include <stdexcept>
  26 #include <testsuite_hooks.h>
  27
  28 void test03()
  29 {
  30   bool test __attribute__((unused)) = true;
  31   const wchar_t* with_nulls = L"This contains \0 a zero byte.";
  32
  33   // These are tests to see how basic_string handles data with NUL
  34   // bytes.  Obviously basic_string(char*) will halt at the first one, but
  35   // nothing else should.
  36   std::wstring s1 (with_nulls, 28);
  37   VERIFY( s1.size() == 28 );
  38   std::wstring s2 (s1);
  39   VERIFY( s2.size() == 28 );
  40
  41   // Not defined, but libstdc++ throws an exception.
  42   const wchar_t* bogus = 0;
  43   try
  44     {
  45       std::wstring str1(bogus);
  46       VERIFY( false );
  47     }
  48   catch(std::exception& fail)
  49     {
  50       VERIFY( true );
  51     }
  52
  53   // Not defined, but libstdc++ throws an exception.
  54   try
  55     {
  56       std::wstring str2(bogus, 5);
  57       VERIFY( false );
  58     }
  59   catch(std::exception& fail)
  60     {
  61       VERIFY( true );
  62     }
  63 }
  64
  65 int main()
  66 {
  67   test03();
  68   return 0;
  69 }