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

   1 // 1999-06-09 bkoz
   2
   3 // Copyright (C) 1994, 1999, 2000 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 // 21.3.6.1 basic_string find
  22
  23 #include <string>
  24 #include <stdexcept>
  25 #ifdef DEBUG_ASSERT
  26 #include <assert.h>
  27 #endif
  28
  29 bool test01(void)
  30 {
  31   bool test = true;
  32   typedef std::string::size_type csize_type;
  33   typedef std::string::const_reference cref;
  34   typedef std::string::reference ref;
  35   csize_type npos = std::string::npos;
  36   csize_type csz01, csz02;
  37
  38   const char str_lit01[] = "mave";
  39   const std::string str01("mavericks, santa cruz");
  40   std::string str02(str_lit01);
  41   std::string str03("s, s");
  42   std::string str04;
  43
  44   // size_type find(const string&, size_type pos = 0) const;
  45   csz01 = str01.find(str01);
  46   test &= csz01 == 0;
  47   csz01 = str01.find(str01, 4);
  48   test &= csz01 == npos;
  49   csz01 = str01.find(str02, 0);
  50   test &= csz01 == 0;
  51   csz01 = str01.find(str02, 3);
  52   test &= csz01 == npos;
  53   csz01 = str01.find(str03, 0);
  54   test &= csz01 == 8;
  55   csz01 = str01.find(str03, 3);
  56   test &= csz01 == 8;
  57   csz01 = str01.find(str03, 12);
  58   test &= csz01 == npos;
  59
  60   // An empty string consists of no characters
  61   // therefore it should be found at every point in a string,
  62   // except beyond the end
  63   csz01 = str01.find(str04, 0);
  64   test &= csz01 == 0;
  65   csz01 = str01.find(str04, 5);
  66   test &= csz01 == 5;
  67   csz01 = str01.find(str04, str01.size());
  68   test &= csz01 == npos;
  69
  70   // size_type find(const char* s, size_type pos, size_type n) const;
  71   csz01 = str01.find(str_lit01, 0, 3);
  72   test &= csz01 == 0;
  73   csz01 = str01.find(str_lit01, 3, 0);
  74   test &= csz01 == 3;
  75
  76   // size_type find(const char* s, size_type pos = 0) const;
  77   csz01 = str01.find(str_lit01);
  78   test &= csz01 == 0;
  79   csz01 = str01.find(str_lit01, 3);
  80   test &= csz01 == 3; // zero length string should be found at pos
  81
  82   // size_type find(char c, size_type pos = 0) const;
  83   csz01 = str01.find('z');
  84   csz02 = str01.size() - 1;
  85   test &= csz01 == csz02;
  86   csz01 = str01.find('/');
  87   test &= csz01 == npos;
  88
  89   // size_type find_first_of(const string&, size_type pos = 0) const;
  90   std::string str05("xena rulez");
  91   csz01 = str01.find_first_of(str01);
  92   test &= csz01 == 0;
  93   csz01 = str01.find_first_of(str01, 4);
  94   test &= csz01 == 4;
  95   csz01 = str01.find_first_of(str02, 0);
  96   test &= csz01 == 0;
  97   csz01 = str01.find_first_of(str02, 3);
  98   test &= csz01 == 3;
  99   csz01 = str01.find_first_of(str03, 0);
 100   test &= csz01 == 8;
 101   csz01 = str01.find_first_of(str03, 3);
 102   test &= csz01 == 8;
 103   csz01 = str01.find_first_of(str03, 12);
 104   test &= csz01 == 16;
 105   csz01 = str01.find_first_of(str05, 0);
 106   test &= csz01 == 1;
 107   csz01 = str01.find_first_of(str05, 4);
 108   test &= csz01 == 4;
 109
 110   // An empty string consists of no characters
 111   // therefore it should be found at every point in a string,
 112   // except beyond the end
 113   // However, str1.find_first_of(str2,pos) finds the first character in
 114   // str1 (starting at pos) that exists in str2, which is none for empty str2
 115   csz01 = str01.find_first_of(str04, 0);
 116   test &= csz01 == npos;
 117   csz01 = str01.find_first_of(str04, 5);
 118   test &= csz01 == npos;
 119
 120   // size_type find_first_of(const char* s, size_type pos, size_type n) const;
 121   csz01 = str01.find_first_of(str_lit01, 0, 3);
 122   test &= csz01 == 0;
 123   csz01 = str01.find_first_of(str_lit01, 3, 0);
 124   test &= csz01 == npos;
 125
 126   // size_type find_first_of(const char* s, size_type pos = 0) const;
 127   csz01 = str01.find_first_of(str_lit01);
 128   test &= csz01 == 0;
 129   csz01 = str01.find_first_of(str_lit01, 3);
 130   test &= csz01 == 3;
 131
 132   // size_type find_first_of(char c, size_type pos = 0) const;
 133   csz01 = str01.find_first_of('z');
 134   csz02 = str01.size() - 1;
 135   test &= csz01 == csz02;
 136
 137   // size_type find_last_of(const string& str, size_type pos = 0) const;
 138   // size_type find_last_of(const char* s, size_type pos, size_type n) const;
 139   // size_type find_last_of(const char* s, size_type pos = 0) const;
 140   // size_type find_last_of(char c, size_type pos = 0) const;
 141
 142 #if 1
 143 // from tstring.cc, from jason merrill, et. al.
 144   std::string x;
 145   std::string::size_type pos;
 146   pos = x.find_last_not_of('X');
 147   test &= pos == npos;
 148   pos = x.find_last_not_of("XYZ");
 149   test &= pos == npos;
 150
 151   std::string y("a");
 152   pos = y.find_last_not_of('X');
 153   test &= pos == 0;
 154   pos = y.find_last_not_of('a');
 155   test &= pos == npos;
 156   pos = y.find_last_not_of("XYZ");
 157   test &= pos == 0;
 158   pos = y.find_last_not_of("a");
 159   test &= pos == npos;
 160
 161   std::string z("ab");
 162   pos = z.find_last_not_of('X');
 163   test &= pos == 1;
 164   pos = z.find_last_not_of("XYZ");
 165   test &= pos == 1;
 166   pos = z.find_last_not_of('b');
 167   test &= pos == 0;
 168   pos = z.find_last_not_of("Xb");
 169   test &= pos == 0;
 170   pos = z.find_last_not_of("Xa");
 171   test &= pos == 1;
 172   pos = z.find_last_of("ab");
 173   test &= pos == 1;
 174   pos = z.find_last_of("Xa");
 175   test &= pos == 0;
 176   pos = z.find_last_of("Xb");
 177   test &= pos == 1;
 178   pos = z.find_last_of("XYZ");
 179   test &= pos == std::string::npos;
 180   pos = z.find_last_of('a');
 181   test &= pos == 0;
 182   pos = z.find_last_of('b');
 183   test &= pos == 1;
 184   pos = z.find_last_of('X');
 185   test &= pos == std::string::npos;
 186 #endif
 187
 188 #ifdef DEBUG_ASSERT
 189   assert(test);
 190 #endif
 191   return test;
 192 }
 193
 194 int main()
 195 {
 196   test01();
 197 }
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