libstdc++-v3/testsuite/21_strings/basic_string/operations/rfind/wchar_t/1.cc

   1 // 2000-06-22 -=dbv=-  (shamelessy copied from bkoz' find.cc)
   2
   3 // Copyright (C) 2000-2020 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 #include <string>
  21 #include <testsuite_hooks.h>
  22
  23 // 21.3.6.2 basic_string rfind
  24 void test01(void)
  25 {
  26   typedef std::wstring::size_type csize_type;
  27   typedef std::wstring::const_reference cref;
  28   typedef std::wstring::reference ref;
  29   csize_type npos = std::wstring::npos;
  30   csize_type csz01, csz02;
  31
  32   const wchar_t str_lit01[] = L"mave";
  33   const std::wstring str01(L"mavericks, santa cruz");
  34   std::wstring str02(str_lit01);
  35   std::wstring str03(L"s, s");
  36   std::wstring str04;
  37
  38   // size_type rfind(const wstring&, size_type pos = 0) const;
  39   csz01 = str01.rfind(str01);
  40   VERIFY( csz01 == 0 );
  41   csz01 = str01.rfind(str01, 4);
  42   VERIFY( csz01 == 0 );
  43   csz01 = str01.rfind(str02,3);
  44   VERIFY( csz01 == 0 );
  45   csz01 = str01.rfind(str02);
  46   VERIFY( csz01 == 0 );
  47   csz01 = str01.rfind(str03);
  48   VERIFY( csz01 == 8 );
  49   csz01 = str01.rfind(str03, 3);
  50   VERIFY( csz01 == npos );
  51   csz01 = str01.rfind(str03, 12);
  52   VERIFY( csz01 == 8 );
  53
  54   // An empty string consists of no characters
  55   // therefore it should be found at every point in a string,
  56   // except beyond the end
  57   csz01 = str01.rfind(str04, 0);
  58   VERIFY( csz01 == 0 );
  59   csz01 = str01.rfind(str04, 5);
  60   VERIFY( csz01 == 5 );
  61   csz01 = str01.rfind(str04, str01.size());
  62   VERIFY( csz01 == str01.size() );
  63   csz01 = str01.rfind(str04, str01.size()+1);
  64   VERIFY( csz01 == str01.size() );
  65
  66   // size_type rfind(const wchar_t* s, size_type pos, size_type n) const;
  67   csz01 = str01.rfind(str_lit01, 0, 3);
  68   VERIFY( csz01 == 0 );
  69   csz01 = str01.rfind(str_lit01, 3, 0);
  70   VERIFY( csz01 == 3 );
  71
  72   // size_type rfind(const wchar_t* s, size_type pos = 0) const;
  73   csz01 = str01.rfind(str_lit01);
  74   VERIFY( csz01 == 0 );
  75   csz01 = str01.rfind(str_lit01, 3);
  76   VERIFY( csz01 == 0 );
  77
  78   // size_type rfind(wchar_t c, size_type pos = 0) const;
  79   csz01 = str01.rfind(L'z');
  80   csz02 = str01.size() - 1;
  81   VERIFY( csz01 == csz02 );
  82   csz01 = str01.rfind(L'/');
  83   VERIFY( csz01 == npos );
  84 }
  85
  86 int main()
  87 {
  88   test01();
  89   return 0;
  90 }