libstdc++-v3/testsuite/21_strings/basic_string/modifiers/insert/char/1.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 <stdexcept>
  24 #include <testsuite_hooks.h>
  25
  26 int test01(void)
  27 {
  28   bool test __attribute__((unused)) = true;
  29   typedef std::string::size_type csize_type;
  30   typedef std::string::iterator citerator;
  31   csize_type csz01, csz02;
  32
  33   const std::string str01("rodeo beach, marin");
  34   const std::string str02("baker beach, san francisco");
  35   std::string str03;
  36
  37   // string& insert(size_type p1, const string& str, size_type p2, size_type n)
  38   // requires:
  39   //   1) p1 <= size()
  40   //   2) p2 <= str.size()
  41   //   3) rlen = min(n, str.size() - p2)
  42   // throws:
  43   //   1) out_of_range if p1 > size() || p2 > str.size()
  44   //   2) length_error if size() >= npos - rlen
  45   // effects:
  46   // replaces *this with new string of length size() + rlen such that
  47   // nstr[0]  to nstr[p1] == thisstr[0] to thisstr[p1]
  48   // nstr[p1 + 1] to nstr[p1 + rlen] == str[p2] to str[p2 + rlen]
  49   // nstr[p1 + 1 + rlen] to nstr[...] == thisstr[p1 + 1] to thisstr[...]
  50   str03 = str01;
  51   csz01 = str03.size();
  52   csz02 = str02.size();
  53   try {
  54     str03.insert(csz01 + 1, str02, 0, 5);
  55     VERIFY( false );
  56   }
  57   catch(std::out_of_range& fail) {
  58     VERIFY( true );
  59   }
  60   catch(...) {
  61     VERIFY( false );
  62   }
  63
  64   str03 = str01;
  65   csz01 = str03.size();
  66   csz02 = str02.size();
  67   try {
  68     str03.insert(0, str02, csz02 + 1, 5);
  69     VERIFY( false );
  70   }
  71   catch(std::out_of_range& fail) {
  72     VERIFY( true );
  73   }
  74   catch(...) {
  75     VERIFY( false );
  76   }
  77
  78   csz01 = str01.max_size();
  79   try {
  80     std::string str04(csz01, 'b');
  81     str03 = str04;
  82     csz02 = str02.size();
  83     try {
  84       str03.insert(0, str02, 0, 5);
  85       VERIFY( false );
  86     }
  87     catch(std::length_error& fail) {
  88       VERIFY( true );
  89     }
  90     catch(...) {
  91       VERIFY( false );
  92     }
  93   }
  94   catch(std::bad_alloc& failure){
  95     VERIFY( true );
  96   }
  97   catch(std::exception& failure){
  98     VERIFY( false );
  99   }
 100
 101   str03 = str01;
 102   csz01 = str03.size();
 103   csz02 = str02.size();
 104   str03.insert(13, str02, 0, 12);
 105   VERIFY( str03 == "rodeo beach, baker beach,marin" );
 106
 107   str03 = str01;
 108   csz01 = str03.size();
 109   csz02 = str02.size();
 110   str03.insert(0, str02, 0, 12);
 111   VERIFY( str03 == "baker beach,rodeo beach, marin" );
 112
 113   str03 = str01;
 114   csz01 = str03.size();
 115   csz02 = str02.size();
 116   str03.insert(csz01, str02, 0, csz02);
 117   VERIFY( str03 == "rodeo beach, marinbaker beach, san francisco" );
 118
 119   // string& insert(size_type __p, const string& string);
 120   // insert(p1, str, 0, npos)
 121   str03 = str01;
 122   csz01 = str03.size();
 123   csz02 = str02.size();
 124   str03.insert(csz01, str02);
 125   VERIFY( str03 == "rodeo beach, marinbaker beach, san francisco" );
 126
 127   str03 = str01;
 128   csz01 = str03.size();
 129   csz02 = str02.size();
 130   str03.insert(0, str02);
 131   VERIFY( str03 == "baker beach, san franciscorodeo beach, marin" );
 132
 133   // string& insert(size_type __p, const char* s, size_type n);
 134   // insert(p1, string(s,n))
 135   str03 = str02;
 136   csz01 = str03.size();
 137   str03.insert(0, "-break at the bridge", 20);
 138   VERIFY( str03 == "-break at the bridgebaker beach, san francisco" );
 139
 140   // string& insert(size_type __p, const char* s);
 141   // insert(p1, string(s))
 142   str03 = str02;
 143   str03.insert(0, "-break at the bridge");
 144   VERIFY( str03 == "-break at the bridgebaker beach, san francisco" );
 145
 146   // string& insert(size_type __p, size_type n, char c)
 147   // insert(p1, string(n,c))
 148   str03 = str02;
 149   csz01 = str03.size();
 150   str03.insert(csz01, 5, 'z');
 151   VERIFY( str03 == "baker beach, san franciscozzzzz" );
 152
 153   // iterator insert(iterator p, char c)
 154   // inserts a copy of c before the character referred to by p
 155   str03 = str02;
 156   citerator cit01 = str03.begin();
 157   str03.insert(cit01, 'u');
 158   VERIFY( str03 == "ubaker beach, san francisco" );
 159
 160   // iterator insert(iterator p, size_type n,  char c)
 161   // inserts n copies of c before the character referred to by p
 162   str03 = str02;
 163   cit01 = str03.begin();
 164   str03.insert(cit01, 5, 'u');
 165   VERIFY( str03 == "uuuuubaker beach, san francisco" );
 166
 167   // template<inputit>
 168   //   void
 169   //   insert(iterator p, inputit first, inputit, last)
 170   // ISO-14882: defect #7 part 1 clarifies this member function to be:
 171   // insert(p - begin(), string(first,last))
 172   str03 = str02;
 173   csz01 = str03.size();
 174   str03.insert(str03.begin(), str01.begin(), str01.end());
 175   VERIFY( str03 == "rodeo beach, marinbaker beach, san francisco" );
 176
 177   str03 = str02;
 178   csz01 = str03.size();
 179   str03.insert(str03.end(), str01.begin(), str01.end());
 180   VERIFY( str03 == "baker beach, san franciscorodeo beach, marin" );
 181   return test;
 182 }
 183
 184 int main()
 185 {
 186   __gnu_test::set_memory_limits();
 187   test01();
 188   return 0;
 189 }