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

   1 // 1999-06-04 bkoz
   2
   3 // Copyright (C) 1999-2020 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   const char* with_nulls = "This contains \0 a zero byte.";
  30
  31   // These are tests to see how basic_string handles data with NUL
  32   // bytes.  Obviously basic_string(char*) will halt at the first one, but
  33   // nothing else should.
  34   std::string s1 (with_nulls, 28);
  35   VERIFY( s1.size() == 28 );
  36   std::string s2 (s1);
  37   VERIFY( s2.size() == 28 );
  38
  39   // Not defined, but libstdc++ throws an exception.
  40   const char* bogus = 0;
  41   try
  42     {
  43       std::string str1(bogus);
  44       VERIFY( false );
  45     }
  46   catch(std::exception& fail)
  47     {
  48       VERIFY( true );
  49     }
  50
  51   // Not defined, but libstdc++ throws an exception.
  52   try
  53     {
  54       std::string str2(bogus, 5);
  55       VERIFY( false );
  56     }
  57   catch(std::exception& fail)
  58     {
  59       VERIFY( true );
  60     }
  61 }
  62
  63 int main()
  64 {
  65   test03();
  66   return 0;
  67 }