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

   1 // 1999-06-10 bkoz
   2
   3 // Copyright (C) 1999-2014 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 // 21.3.6.7 basic_string::substr
  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;
  33
  34   const wchar_t str_lit01[] = L"rockaway, pacifica";
  35   const std::wstring str01(str_lit01);
  36   std::wstring str02;
  37
  38   // basic_string<charT, _Traits, _Alloc>
  39   //  substr(size_type pos = 0, size_type n = npos) const;
  40   csz01 = str01.size();
  41   str02 = str01.substr(0, 1);
  42   VERIFY( str02 == L"r" );
  43   str02 = str01.substr(10);
  44   VERIFY( str02 == L"pacifica" );
  45
  46   try {
  47     str02 = str01.substr(csz01 + 1);
  48     VERIFY( false );
  49   }
  50   catch(std::out_of_range& fail) {
  51     VERIFY( true );
  52   }
  53   catch(...) {
  54     VERIFY( false );
  55   }
  56
  57  try {
  58     str02 = str01.substr(csz01);
  59     VERIFY( str02.size() == 0 );
  60   }
  61   catch(std::out_of_range& fail) {
  62     VERIFY( false );
  63   }
  64   catch(...) {
  65     VERIFY( false );
  66   }
  67   return test;
  68 }
  69
  70 int main()
  71 {
  72   test01();
  73   return 0;
  74 }