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

   1 // 1999-06-03 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 // 21.3.5.4 basic_string::insert
  21
  22 #include <testsuite_hooks.h>
  23
  24 #ifdef _GLIBCXX_DEBUG
  25 #include <debug/string>
  26 using namespace __gnu_debug;
  27 #else
  28 #include <string>
  29 using namespace std;
  30 #endif
  31
  32 // More
  33 //   string& insert(size_type __p, const char* s, size_type n);
  34 //   string& insert(size_type __p, const char* s);
  35 // but now s points inside the _Rep
  36 void test02(void)
  37 {
  38   string str01;
  39   const char* title = "Everything was beautiful, and nothing hurt";
  40   // Increasing size: str01 is reallocated every time.
  41   str01 = title;
  42   str01.insert(0, str01.c_str() + str01.size() - 4, 4);
  43   VERIFY( str01 == "hurtEverything was beautiful, and nothing hurt" );
  44   str01 = title;
  45   str01.insert(0, str01.c_str(), 5);
  46   VERIFY( str01 == "EveryEverything was beautiful, and nothing hurt" );
  47   str01 = title;
  48   str01.insert(10, str01.c_str() + 4, 6);
  49   VERIFY( str01 == "Everythingything was beautiful, and nothing hurt" );
  50   str01 = title;
  51   str01.insert(15, str01.c_str(), 10);
  52   VERIFY( str01 == "Everything was Everythingbeautiful, and nothing hurt" );
  53   str01 = title;
  54   str01.insert(15, str01.c_str() + 11, 13);
  55   VERIFY( str01 == "Everything was was beautifulbeautiful, and nothing hurt" );
  56   str01 = title;
  57   str01.insert(0, str01.c_str());
  58   VERIFY( str01 == "Everything was beautiful, and nothing hurt"
  59           "Everything was beautiful, and nothing hurt");
  60   // Again: no reallocations.
  61   str01 = title;
  62   str01.insert(0, str01.c_str() + str01.size() - 4, 4);
  63   VERIFY( str01 == "hurtEverything was beautiful, and nothing hurt" );
  64   str01 = title;
  65   str01.insert(0, str01.c_str(), 5);
  66   VERIFY( str01 == "EveryEverything was beautiful, and nothing hurt" );
  67   str01 = title;
  68   str01.insert(10, str01.c_str() + 4, 6);
  69   VERIFY( str01 == "Everythingything was beautiful, and nothing hurt" );
  70   str01 = title;
  71   str01.insert(15, str01.c_str(), 10);
  72   VERIFY( str01 == "Everything was Everythingbeautiful, and nothing hurt" );
  73   str01 = title;
  74   str01.insert(15, str01.c_str() + 11, 13);
  75   VERIFY( str01 == "Everything was was beautifulbeautiful, and nothing hurt" );
  76   str01 = title;
  77   str01.insert(0, str01.c_str());
  78   VERIFY( str01 == "Everything was beautiful, and nothing hurt"
  79           "Everything was beautiful, and nothing hurt");
  80 }
  81
  82 int main()
  83 {
  84   test02();
  85   return 0;
  86 }