libstdc++-v3/testsuite/21_strings/basic_string/modifiers/insert/char/2.cc

   1 // 1999-06-03 bkoz
   2
   3 // Copyright (C) 1999-2016 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 // 21.3.5.4 basic_string::insert
  21
  22 #include <string>
  23 #include <testsuite_hooks.h>
  24
  25 // More
  26 //   string& insert(size_type __p, const char* s, size_type n);
  27 //   string& insert(size_type __p, const char* s);
  28 // but now s points inside the _Rep
  29 int test02(void)
  30 {
  31   bool test __attribute__((unused)) = true;
  32
  33   std::string str01;
  34   const char* title = "Everything was beautiful, and nothing hurt";
  35   // Increasing size: str01 is reallocated every time.
  36   str01 = title;
  37   str01.insert(0, str01.c_str() + str01.size() - 4, 4);
  38   VERIFY( str01 == "hurtEverything was beautiful, and nothing hurt" );
  39   str01 = title;
  40   str01.insert(0, str01.c_str(), 5);
  41   VERIFY( str01 == "EveryEverything was beautiful, and nothing hurt" );
  42   str01 = title;
  43   str01.insert(10, str01.c_str() + 4, 6);
  44   VERIFY( str01 == "Everythingything was beautiful, and nothing hurt" );
  45   str01 = title;
  46   str01.insert(15, str01.c_str(), 10);
  47   VERIFY( str01 == "Everything was Everythingbeautiful, and nothing hurt" );
  48   str01 = title;
  49   str01.insert(15, str01.c_str() + 11, 13);
  50   VERIFY( str01 == "Everything was was beautifulbeautiful, and nothing hurt" );
  51   str01 = title;
  52   str01.insert(0, str01.c_str());
  53   VERIFY( str01 == "Everything was beautiful, and nothing hurt"
  54           "Everything was beautiful, and nothing hurt");
  55   // Again: no reallocations.
  56   str01 = title;
  57   str01.insert(0, str01.c_str() + str01.size() - 4, 4);
  58   VERIFY( str01 == "hurtEverything was beautiful, and nothing hurt" );
  59   str01 = title;
  60   str01.insert(0, str01.c_str(), 5);
  61   VERIFY( str01 == "EveryEverything was beautiful, and nothing hurt" );
  62   str01 = title;
  63   str01.insert(10, str01.c_str() + 4, 6);
  64   VERIFY( str01 == "Everythingything was beautiful, and nothing hurt" );
  65   str01 = title;
  66   str01.insert(15, str01.c_str(), 10);
  67   VERIFY( str01 == "Everything was Everythingbeautiful, and nothing hurt" );
  68   str01 = title;
  69   str01.insert(15, str01.c_str() + 11, 13);
  70   VERIFY( str01 == "Everything was was beautifulbeautiful, and nothing hurt" );
  71   str01 = title;
  72   str01.insert(0, str01.c_str());
  73   VERIFY( str01 == "Everything was beautiful, and nothing hurt"
  74           "Everything was beautiful, and nothing hurt");
  75   return test;
  76 }
  77
  78 int main()
  79 {
  80   test02();
  81   return 0;
  82 }