libstdc++-v3/testsuite/28_regex/constants/syntax_option_type.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-timeout-factor 2 }
   3 //
   4 // 2009-06-17  Stephen M. Webb  <stephen.webb@xandros.com>
   5 //
   6 // Copyright (C) 2009-2024 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 // C++11 28.5.1 [re.synopt]
  24
  25 #include <regex>
  26 #include <testsuite_hooks.h>
  27 #include <testsuite_common_types.h>
  28
  29 void
  30 test01()
  31 {
  32   std::regex_constants::syntax_option_type option { };
  33   option = option | std::regex_constants::icase;
  34   option = option | std::regex_constants::nosubs;
  35   option = option | std::regex_constants::optimize;
  36   option = option | std::regex_constants::collate;
  37   option = option | std::regex_constants::ECMAScript;
  38   option = option | std::regex_constants::basic;
  39   option = option | std::regex_constants::extended;
  40   option = option | std::regex_constants::awk;
  41   option = option | std::regex_constants::grep;
  42   option = option | std::regex_constants::egrep;
  43 }
  44
  45 void
  46 test02()
  47 {
  48   std::regex_constants::syntax_option_type option { };
  49   option = option & std::regex_constants::icase;
  50   option = option & std::regex_constants::nosubs;
  51   option = option & std::regex_constants::optimize;
  52   option = option & std::regex_constants::collate;
  53   option = option & std::regex_constants::ECMAScript;
  54   option = option & std::regex_constants::basic;
  55   option = option & std::regex_constants::extended;
  56   option = option & std::regex_constants::awk;
  57   option = option & std::regex_constants::grep;
  58   option = option & std::regex_constants::egrep;
  59 }
  60
  61 void
  62 test03()
  63 {
  64   std::regex_constants::syntax_option_type option { };
  65   option = ~std::regex_constants::icase;
  66   option = ~std::regex_constants::nosubs;
  67   option = ~std::regex_constants::optimize;
  68   option = ~std::regex_constants::collate;
  69   option = ~std::regex_constants::ECMAScript;
  70   option = ~std::regex_constants::basic;
  71   option = ~std::regex_constants::extended;
  72   option = ~std::regex_constants::awk;
  73   option = ~std::regex_constants::grep;
  74   option = ~std::regex_constants::egrep;
  75   option = option;
  76 }
  77
  78 void
  79 test04_constexpr()
  80 {
  81   using namespace std::regex_constants;
  82   constexpr auto a1 __attribute__((unused)) = icase | awk;
  83   constexpr auto a2 __attribute__((unused)) = icase & awk;
  84   constexpr auto a3 __attribute__((unused)) = ~grep;
  85 }
  86
  87 void
  88 test05()
  89 {
  90   using namespace std;
  91   using namespace regex_constants;
  92   regex re("((a)(s))", nosubs | ECMAScript);
  93   VERIFY(re.mark_count() == 0);
  94 }
  95
  96 #if __cplusplus >= 201402L
  97 static_assert(
  98     __gnu_test::test_bitmask_values( {
  99       std::regex_constants::icase,
 100       std::regex_constants::nosubs,
 101       std::regex_constants::optimize,
 102       std::regex_constants::collate,
 103       std::regex_constants::ECMAScript,
 104       std::regex_constants::basic,
 105       std::regex_constants::extended,
 106       std::regex_constants::awk,
 107       std::regex_constants::grep,
 108       std::regex_constants::egrep,
 109       std::regex_constants::__multiline,
 110       std::regex_constants::__polynomial
 111     }, {
 112 #if __cplusplus >= 201703L
 113       std::regex_constants::multiline // equal to __multiline
 114 #endif
 115     }),
 116     "std::regex_constants::syntax_option_type bitmask elements are distinct" );
 117 #endif
 118
 119 int main()
 120 {
 121   test01();
 122   test02();
 123   test03();
 124   test04_constexpr();
 125   test05();
 126   return 0;
 127 }