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

   1 // 1999-06-08 bkoz
   2
   3 // Copyright (C) 1999-2015 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 // 21.3.4 basic_string element access
  21
  22 #include <string>
  23 #include <stdexcept>
  24 #include <testsuite_hooks.h>
  25
  26 bool test01(void)
  27 {
  28   bool test __attribute__((unused)) = true;
  29   typedef std::wstring::size_type csize_type;
  30   typedef std::wstring::const_reference cref;
  31   typedef std::wstring::reference ref;
  32   csize_type csz01, csz02;
  33
  34   const std::wstring str01(L"tamarindo, costa rica");
  35   std::wstring str02(L"41st street beach, capitola, california");
  36   std::wstring str03;
  37
  38   // const_reference operator[] (size_type pos) const;
  39   csz01 = str01.size();
  40   cref cref1 = str01[csz01 - 1];
  41   VERIFY( cref1 == L'a' );
  42   cref cref2 = str01[csz01];
  43   VERIFY( cref2 == wchar_t() );
  44
  45   // reference operator[] (size_type pos);
  46   csz02 = str02.size();
  47   ref ref1 = str02[csz02 - 1];
  48   VERIFY( ref1 == L'a' );
  49   ref ref2 = str02[1];
  50   VERIFY( ref2 == L'1' );
  51
  52   // const_reference at(size_type pos) const;
  53   csz01 = str01.size();
  54   cref cref3 = str01.at(csz01 - 1);
  55   VERIFY( cref3 == L'a' );
  56   try {
  57     str01.at(csz01);
  58     VERIFY( false ); // Should not get here, as exception thrown.
  59   }
  60   catch(std::out_of_range& fail) {
  61     VERIFY( true );
  62   }
  63   catch(...) {
  64     VERIFY( false );
  65   }
  66
  67   // reference at(size_type pos);
  68   csz01 = str02.size();
  69   ref ref3 = str02.at(csz02 - 1);
  70   VERIFY( ref3 == L'a' );
  71   try {
  72     str02.at(csz02);
  73     VERIFY( false ); // Should not get here, as exception thrown.
  74   }
  75   catch(std::out_of_range& fail) {
  76     VERIFY( true );
  77   }
  78   catch(...) {
  79     VERIFY( false );
  80   }
  81   return test;
  82 }
  83
  84 int main()
  85 {
  86   test01();
  87   return 0;
  88 }