libstdc++-v3/testsuite/21_strings/basic_string_view/operations/rfind/wchar_t/2.cc

   1 // { dg-options "-std=gnu++17" }
   2
   3 // Copyright (C) 2013-2020 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_view>
  21 #include <testsuite_hooks.h>
  22
  23 // basic_string_view::find_last_of
  24
  25 void
  26 test02()
  27 {
  28   std::wstring_view::size_type pos;
  29   std::wstring_view z(L"ab");
  30   pos = z.find_last_of(L"ab");
  31   VERIFY( pos == 1 );
  32   pos = z.find_last_of(L"Xa");
  33   VERIFY( pos == 0 );
  34   pos = z.find_last_of(L"Xb");
  35   VERIFY( pos == 1 );
  36   pos = z.find_last_of(L"XYZ");
  37   VERIFY( pos == std::wstring_view::npos );
  38   pos = z.find_last_of(L'a');
  39   VERIFY( pos == 0 );
  40   pos = z.find_last_of(L'b');
  41   VERIFY( pos == 1 );
  42   pos = z.find_last_of(L'X');
  43   VERIFY( pos == std::wstring_view::npos );
  44 }
  45
  46 int
  47 main()
  48 {
  49   test02();
  50
  51   return 0;
  52 }