libstdc++-v3/testsuite/21_strings/substr.cc

   1 // 1999-06-10 bkoz
   2
   3 // Copyright (C) 1999 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 // 21.3.6.7 basic_string::substr
  22
  23 #include <string>
  24 #include <stdexcept>
  25 #include <debug_assert.h>
  26
  27 bool test01(void)
  28 {
  29   bool test = true;
  30   typedef std::string::size_type csize_type;
  31   typedef std::string::const_reference cref;
  32   typedef std::string::reference ref;
  33   csize_type npos = std::string::npos;
  34   csize_type csz01, csz02;
  35
  36   const char str_lit01[] = "rockaway, pacifica";
  37   const std::string str01(str_lit01);
  38   std::string str02;
  39
  40   // basic_string<charT, _Traits, _Alloc>
  41   //  substr(size_type pos = 0, size_type n = npos) const;
  42   csz01 = str01.size();
  43   str02 = str01.substr(0, 1);
  44   VERIFY( str02 == "r" );
  45   str02 = str01.substr(10);
  46   VERIFY( str02 == "pacifica" );
  47
  48   try {
  49     str02 = str01.substr(csz01 + 1);
  50     VERIFY( false );
  51   }
  52   catch(std::out_of_range& fail) {
  53     VERIFY( true );
  54   }
  55   catch(...) {
  56     VERIFY( false );
  57   }
  58
  59  try {
  60     str02 = str01.substr(csz01);
  61     VERIFY( str02.size() == 0 );
  62   }
  63   catch(std::out_of_range& fail) {
  64     VERIFY( false );
  65   }
  66   catch(...) {
  67     VERIFY( false );
  68   }
  69
  70 #ifdef DEBUG_ASSERT
  71   assert(test);
  72 #endif
  73   return test;
  74 }
  75
  76 int main()
  77 {
  78   test01();
  79   return 0;
  80 }