libstdc++-v3/testsuite/21_strings/insert.cc

   1 // 1999-06-03 bkoz
   2
   3 // Copyright (C) 1999 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 // 21.3.5.4 basic_string::insert
  22
  23 #include <string>
  24 #include <stdexcept>
  25 #include <debug_assert.h>
  26
  27 int test01(void)
  28 {
  29   bool test = true;
  30   typedef std::string::size_type csize_type;
  31   typedef std::string::iterator citerator;
  32   csize_type npos = std::string::npos;
  33   csize_type csz01, csz02;
  34
  35   const std::string str01("rodeo beach, marin");
  36   const std::string str02("baker beach, san francisco");
  37   std::string str03;
  38
  39   // string& insert(size_type p1, const string& str, size_type p2, size_type n)
  40   // requires:
  41   //   1) p1 <= size()
  42   //   2) p2 <= str.size()
  43   //   3) rlen = min(n, str.size() - p2)
  44   // throws:
  45   //   1) out_of_range if p1 > size() || p2 > str.size()
  46   //   2) length_error if size() >= npos - rlen
  47   // effects:
  48   // replaces *this with new string of length size() + rlen such that
  49   // nstr[0]  to nstr[p1] == thisstr[0] to thisstr[p1]
  50   // nstr[p1 + 1] to nstr[p1 + rlen] == str[p2] to str[p2 + rlen]
  51   // nstr[p1 + 1 + rlen] to nstr[...] == thisstr[p1 + 1] to thisstr[...]
  52   str03 = str01;
  53   csz01 = str03.size();
  54   csz02 = str02.size();
  55   try {
  56     str03.insert(csz01 + 1, str02, 0, 5);
  57     VERIFY( false );
  58   }
  59   catch(std::out_of_range& fail) {
  60     VERIFY( true );
  61   }
  62   catch(...) {
  63     VERIFY( false );
  64   }
  65
  66   str03 = str01;
  67   csz01 = str03.size();
  68   csz02 = str02.size();
  69   try {
  70     str03.insert(0, str02, csz02 + 1, 5);
  71     VERIFY( false );
  72   }
  73   catch(std::out_of_range& fail) {
  74     VERIFY( true );
  75   }
  76   catch(...) {
  77     VERIFY( false );
  78   }
  79
  80   csz01 = str01.max_size();
  81   try {
  82     std::string str04(csz01, 'b');
  83     str03 = str04;
  84     csz02 = str02.size();
  85     try {
  86       str03.insert(0, str02, 0, 5);
  87       VERIFY( false );
  88     }
  89     catch(std::length_error& fail) {
  90       VERIFY( true );
  91     }
  92     catch(...) {
  93       VERIFY( false );
  94     }
  95   }
  96   catch(std::bad_alloc& failure){
  97     VERIFY( true );
  98   }
  99   catch(std::exception& failure){
 100     VERIFY( false );
 101   }
 102
 103   str03 = str01;
 104   csz01 = str03.size();
 105   csz02 = str02.size();
 106   str03.insert(13, str02, 0, 12);
 107   VERIFY( str03 == "rodeo beach, baker beach,marin" );
 108
 109   str03 = str01;
 110   csz01 = str03.size();
 111   csz02 = str02.size();
 112   str03.insert(0, str02, 0, 12);
 113   VERIFY( str03 == "baker beach,rodeo beach, marin" );
 114
 115   str03 = str01;
 116   csz01 = str03.size();
 117   csz02 = str02.size();
 118   str03.insert(csz01, str02, 0, csz02);
 119   VERIFY( str03 == "rodeo beach, marinbaker beach, san francisco" );
 120
 121   // string& insert(size_type __p, const string& string);
 122   // insert(p1, str, 0, npos)
 123   str03 = str01;
 124   csz01 = str03.size();
 125   csz02 = str02.size();
 126   str03.insert(csz01, str02);
 127   VERIFY( str03 == "rodeo beach, marinbaker beach, san francisco" );
 128
 129   str03 = str01;
 130   csz01 = str03.size();
 131   csz02 = str02.size();
 132   str03.insert(0, str02);
 133   VERIFY( str03 == "baker beach, san franciscorodeo beach, marin" );
 134
 135   // string& insert(size_type __p, const char* s, size_type n);
 136   // insert(p1, string(s,n))
 137   str03 = str02;
 138   csz01 = str03.size();
 139   str03.insert(0, "-break at the bridge", 20);
 140   VERIFY( str03 == "-break at the bridgebaker beach, san francisco" );
 141
 142   // string& insert(size_type __p, const char* s);
 143   // insert(p1, string(s))
 144   str03 = str02;
 145   str03.insert(0, "-break at the bridge");
 146   VERIFY( str03 == "-break at the bridgebaker beach, san francisco" );
 147
 148   // string& insert(size_type __p, size_type n, char c)
 149   // insert(p1, string(n,c))
 150   str03 = str02;
 151   csz01 = str03.size();
 152   str03.insert(csz01, 5, 'z');
 153   VERIFY( str03 == "baker beach, san franciscozzzzz" );
 154
 155   // iterator insert(iterator p, char c)
 156   // inserts a copy of c before the character referred to by p
 157   str03 = str02;
 158   citerator cit01 = str03.begin();
 159   str03.insert(cit01, 'u');
 160   VERIFY( str03 == "ubaker beach, san francisco" );
 161
 162   // iterator insert(iterator p, size_type n,  char c)
 163   // inserts n copies of c before the character referred to by p
 164   str03 = str02;
 165   cit01 = str03.begin();
 166   str03.insert(cit01, 5, 'u');
 167   VERIFY( str03 == "uuuuubaker beach, san francisco" );
 168
 169   // template<inputit>
 170   //   void
 171   //   insert(iterator p, inputit first, inputit, last)
 172   // ISO-14882: defect #7 part 1 clarifies this member function to be:
 173   // insert(p - begin(), string(first,last))
 174   str03 = str02;
 175   csz01 = str03.size();
 176   str03.insert(str03.begin(), str01.begin(), str01.end());
 177   VERIFY( str03 == "rodeo beach, marinbaker beach, san francisco" );
 178
 179   str03 = str02;
 180   csz01 = str03.size();
 181   str03.insert(str03.end(), str01.begin(), str01.end());
 182   VERIFY( str03 == "baker beach, san franciscorodeo beach, marin" );
 183
 184 #ifdef DEBUG_ASSERT
 185   assert(test);
 186 #endif
 187   return test;
 188 }
 189
 190 int main()
 191 {
 192   test01();
 193   return 0;
 194 }