libstdc++-v3/testsuite/28_regex/traits/wchar_t/isctype.cc

   1 // { dg-do run }
   2 // { dg-options "-std=gnu++11" }
   3 // { dg-additional-options "-DNEWLINE_IN_CLASS_BLANK" { target newlib } }
   4
   5 // Copyright (C) 2010-2016 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // 28.3 Requirements [re.req]
  23 // 28.2(4) Table 127 - Regular expression traits class requirements
  24 // 28.7(11) Class template regex_traits [re.traits]
  25
  26 #include <regex>
  27 #include <testsuite_hooks.h>
  28
  29 void
  30 test01()
  31 {
  32   bool test __attribute__((unused)) = true;
  33   typedef wchar_t CharT;
  34   typedef std::regex_traits<CharT> traits;
  35
  36   const CharT lower[]   = L"lOWer";
  37   const CharT upper[]   = L"UPPER";
  38   const CharT nothing[] = L"nothing";
  39   const CharT word[]    = L"w";
  40   const CharT blank[]   = L"blank";
  41   const CharT digit[]   = L"digit";
  42   traits t;
  43
  44 #define range(s) s, s+sizeof(s)/sizeof(s[0])-1
  45   VERIFY( t.isctype(L'_', t.lookup_classname(range(word))));
  46   VERIFY( t.isctype(L'A', t.lookup_classname(range(word))));
  47   VERIFY(!t.isctype(L'~', t.lookup_classname(range(word))));
  48   VERIFY(!t.isctype(L'e', t.lookup_classname(range(upper))));
  49   VERIFY( t.isctype(L'e', t.lookup_classname(range(lower))));
  50   VERIFY(!t.isctype(L'e', t.lookup_classname(range(nothing))));
  51   VERIFY(!t.isctype(L'_', t.lookup_classname(range(digit))));
  52   VERIFY( t.isctype(L' ', t.lookup_classname(range(blank))));
  53   VERIFY( t.isctype(L'\t', t.lookup_classname(range(blank))));
  54 #if defined (NEWLINE_IN_CLASS_BLANK)
  55   /* On some targets, '\n' is in class 'blank'.
  56      See https://gcc.gnu.org/ml/gcc-patches/2015-02/msg00059.html.  */
  57   VERIFY( t.isctype(L'\n', t.lookup_classname(range(blank))));
  58 #else
  59   VERIFY(!t.isctype(L'\n', t.lookup_classname(range(blank))));
  60 #endif
  61   VERIFY( t.isctype(L't', t.lookup_classname(range(upper), true)));
  62   VERIFY( t.isctype(L'T', t.lookup_classname(range(lower), true)));
  63 #undef range
  64 }
  65
  66 int main()
  67 {
  68   test01();
  69   return 0;
  70 }