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

   1 // 1999-06-08 bkoz
   2
   3 // Copyright (C) 1999, 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 // 21.3.4 basic_string element access
  22
  23 #include <string>
  24 #include <stdexcept>
  25 #include <testsuite_hooks.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 std::string str01("tamarindo, costa rica");
  37   std::string str02("41st street beach, capitola, california");
  38   std::string str03;
  39
  40   // const_reference operator[] (size_type pos) const;
  41   csz01 = str01.size();
  42   cref cref1 = str01[csz01 - 1];
  43   VERIFY( cref1 == 'a' );
  44   cref cref2 = str01[csz01];
  45   VERIFY( cref2 == char() );
  46
  47   // reference operator[] (size_type pos);
  48   csz02 = str02.size();
  49   ref ref1 = str02[csz02 - 1];
  50   VERIFY( ref1 == 'a' );
  51   ref ref2 = str02[1];
  52   VERIFY( ref2 == '1' );
  53
  54   // const_reference at(size_type pos) const;
  55   csz01 = str01.size();
  56   cref cref3 = str01.at(csz01 - 1);
  57   VERIFY( cref3 == 'a' );
  58   try {
  59     cref cref4 = str01.at(csz01);
  60     VERIFY( false ); // Should not get here, as exception thrown.
  61   }
  62   catch(std::out_of_range& fail) {
  63     VERIFY( true );
  64   }
  65   catch(...) {
  66     VERIFY( false );
  67   }
  68
  69   // reference at(size_type pos);
  70   csz01 = str02.size();
  71   ref ref3 = str02.at(csz02 - 1);
  72   VERIFY( ref3 == 'a' );
  73   try {
  74     ref ref4 = str02.at(csz02);
  75     VERIFY( false ); // Should not get here, as exception thrown.
  76   }
  77   catch(std::out_of_range& fail) {
  78     VERIFY( true );
  79   }
  80   catch(...) {
  81     VERIFY( false );
  82   }
  83   return test;
  84 }
  85
  86 int main()
  87 {
  88   test01();
  89   return 0;
  90 }