libstdc++-v3/testsuite/28_regex/traits/char/lookup_classname.cc

   1 // { dg-do run { target c++11 } }
   2
   3 //
   4 // 2010-06-23  Stephen M. Webb <stephen.webb@bregmasoft.ca>
   5 //
   6 // Copyright (C) 2010-2020 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13 //
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18 //
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 // 28.3 Requirements [re.req]
  24 // 28.2(4) Table 127 - Regular expression traits class requirements
  25 // 28.7(9) Class template regex_traits [re.traits]
  26
  27 #include <regex>
  28 #include <forward_list>
  29 #include <testsuite_hooks.h>
  30
  31 void
  32 test01()
  33 {
  34   typedef char CharT;
  35   typedef std::regex_traits<CharT> traits;
  36
  37   char n1[] = "lower";
  38   char n2[] = "alpha";
  39   traits t;
  40
  41   traits::char_class_type c1 = t.lookup_classname(n1, n1+sizeof(n1)-1);
  42   VERIFY( c1 != 0 );
  43
  44   traits::char_class_type c2 = t.lookup_classname(n1, n1+sizeof(n1)-1, true);
  45   traits::char_class_type c3 = t.lookup_classname(n2, n2+sizeof(n2)-1, true);
  46   VERIFY( c2 == c3 );
  47 }
  48
  49 // Test forward iterator
  50 void
  51 test02()
  52 {
  53   const char strlit[] = "upper";
  54   std::forward_list<char> s(strlit, strlit + strlen(strlit));
  55   std::regex_traits<char> traits;
  56   VERIFY(traits.isctype('C', traits.lookup_classname(s.begin(), s.end(), false)));
  57 }
  58
  59 // icase
  60 void
  61 test03()
  62 {
  63   std::string s("lower");
  64   std::regex_traits<char> traits;
  65   VERIFY(traits.isctype('C', traits.lookup_classname(s.begin(), s.end(), true)));
  66 }
  67
  68 int main()
  69 {
  70         test01();
  71         test02();
  72         test03();
  73         return 0;
  74 }