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

   1 // 1999-06-04 bkoz
   2
   3 // Copyright (C) 1999-2016 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 // 21.3.1 basic_string constructors.
  21
  22 #include <new>
  23 #include <string>
  24 #include <stdexcept>
  25 #include <testsuite_hooks.h>
  26
  27 void test03()
  28 {
  29   bool test __attribute__((unused)) = true;
  30   const wchar_t* with_nulls = L"This contains \0 a zero byte.";
  31
  32   // These are tests to see how basic_string handles data with NUL
  33   // bytes.  Obviously basic_string(char*) will halt at the first one, but
  34   // nothing else should.
  35   std::wstring s1 (with_nulls, 28);
  36   VERIFY( s1.size() == 28 );
  37   std::wstring s2 (s1);
  38   VERIFY( s2.size() == 28 );
  39
  40   // Not defined, but libstdc++ throws an exception.
  41   const wchar_t* bogus = 0;
  42   try
  43     {
  44       std::wstring str1(bogus);
  45       VERIFY( false );
  46     }
  47   catch(std::exception& fail)
  48     {
  49       VERIFY( true );
  50     }
  51
  52   // Not defined, but libstdc++ throws an exception.
  53   try
  54     {
  55       std::wstring str2(bogus, 5);
  56       VERIFY( false );
  57     }
  58   catch(std::exception& fail)
  59     {
  60       VERIFY( true );
  61     }
  62 }
  63
  64 int main()
  65 {
  66   test03();
  67   return 0;
  68 }