libstdc++-v3/testsuite/21_strings/basic_string/operations/data/char/1.cc

   1 // Copyright (C) 2004-2013 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 21.3.6 string operations
  19
  20 #include <string>
  21 #include <testsuite_hooks.h>
  22
  23 int test01(void)
  24 {
  25   bool test __attribute__((unused)) = true;
  26
  27   std::string empty;
  28
  29   // data() for size == 0 is non-NULL.
  30   VERIFY( empty.size() == 0 );
  31   const std::string::value_type* p = empty.data();
  32   VERIFY( p );
  33
  34   return 0;
  35 }
  36
  37 int main()
  38 {
  39   test01();
  40   return 0;
  41 }