libstdc++-v3/testsuite/21_strings/basic_string/operations/rfind/wchar_t/3.cc

   1 // from tstring.cc, from jason merrill, et. al.
   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 // 21.3.6.6 basic_string::find_last_not_of
  24 void test03()
  25 {
  26   typedef std::wstring::size_type csize_type;
  27   std::wstring::size_type pos;
  28   csize_type npos = std::wstring::npos;
  29
  30   std::wstring x;
  31   pos = x.find_last_not_of(L'X');
  32   VERIFY( pos == npos );
  33   pos = x.find_last_not_of(L"XYZ");
  34   VERIFY( pos == npos );
  35
  36   std::wstring y(L"a");
  37   pos = y.find_last_not_of(L'X');
  38   VERIFY( pos == 0 );
  39   pos = y.find_last_not_of(L'a');
  40   VERIFY( pos == npos );
  41   pos = y.find_last_not_of(L"XYZ");
  42   VERIFY( pos == 0 );
  43   pos = y.find_last_not_of(L"a");
  44   VERIFY( pos == npos );
  45
  46   std::wstring z(L"ab");
  47   pos = z.find_last_not_of(L'X');
  48   VERIFY( pos == 1 );
  49   pos = z.find_last_not_of(L"XYZ");
  50   VERIFY( pos == 1 );
  51   pos = z.find_last_not_of(L'b');
  52   VERIFY( pos == 0 );
  53   pos = z.find_last_not_of(L"Xb");
  54   VERIFY( pos == 0 );
  55   pos = z.find_last_not_of(L"Xa");
  56   VERIFY( pos == 1 );
  57 }
  58 int main()
  59 {
  60   test03();
  61   return 0;
  62 }