libstdc++-v3/testsuite/21_strings/basic_string/assign/char/3.cc

   1 // 2001-10-30 Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001, 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 // 21.3.5 string modifiers
  22
  23 #include <string>
  24 #include <cstdio>
  25 #include <testsuite_hooks.h>
  26
  27 // assign(const _CharT* __s, size_type __n)
  28 // assign(const _CharT* __s)
  29 void
  30 test03()
  31 {
  32   bool test __attribute__((unused)) = true;
  33
  34   using namespace std;
  35
  36   string one;
  37   string two;
  38   string three = two;
  39   const char * source = "Selling England by the pound";
  40
  41   one.assign(source);
  42   VERIFY( one == "Selling England by the pound" );
  43
  44   one.assign(source, 28);
  45   VERIFY( one == "Selling England by the pound" );
  46
  47   two.assign(source, 7);
  48   VERIFY( two == "Selling" );
  49
  50   one.assign(one.c_str() + 8, 20);
  51   VERIFY( one == "England by the pound" );
  52
  53   one.assign(one.c_str() + 8, 6);
  54   VERIFY( one == "by the" );
  55 }
  56
  57 int main()
  58 {
  59   test03();
  60   return 0;
  61 }