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

   1 // 1999-06-10 bkoz
   2
   3 // Copyright (C) 1999-2018 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 void test01(void)
  27 {
  28   typedef std::string::size_type csize_type;
  29   typedef std::string::const_reference cref;
  30   typedef std::string::reference ref;
  31   csize_type csz01;
  32
  33   const char str_lit01[] = "rockaway, pacifica";
  34   const std::string str01(str_lit01);
  35   std::string str02;
  36
  37   // basic_string<charT, _Traits, _Alloc>
  38   //  substr(size_type pos = 0, size_type n = npos) const;
  39   csz01 = str01.size();
  40   str02 = str01.substr(0, 1);
  41   VERIFY( str02 == "r" );
  42   str02 = str01.substr(10);
  43   VERIFY( str02 == "pacifica" );
  44
  45   try {
  46     str02 = str01.substr(csz01 + 1);
  47     VERIFY( false );
  48   }
  49   catch(std::out_of_range& fail) {
  50     VERIFY( true );
  51   }
  52   catch(...) {
  53     VERIFY( false );
  54   }
  55
  56  try {
  57     str02 = str01.substr(csz01);
  58     VERIFY( str02.size() == 0 );
  59   }
  60   catch(std::out_of_range& fail) {
  61     VERIFY( false );
  62   }
  63   catch(...) {
  64     VERIFY( false );
  65   }
  66 }
  67
  68 int main()
  69 {
  70   test01();
  71   return 0;
  72 }