libstdc++-v3/testsuite/28_regex/basic_regex/assign/char/cstring.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // 2009-06-05  Stephen M. Webb  <stephen.webb@bregmasoft.ca>
   4 //
   5 // Copyright (C) 2009-2019 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 // C++0X [28.8.3] class template basic_regex assign()
  23
  24 #include <regex>
  25
  26 // Tests assign operation from a C-style null-terminated-string.
  27 void test01()
  28 {
  29   std::basic_regex<char> re;
  30
  31   const char* cs = "aab";
  32   re.assign(cs);
  33 }
  34
  35 // basic_regex::operator=() resets flags. libstdc++/64680
  36 void test02()
  37 {
  38   std::regex re("[[:alnum:]]", std::regex_constants::basic);
  39   re = "\\w+";
  40 }
  41
  42 int
  43 main()
  44 {
  45   test01();
  46   test02();
  47   return 0;
  48 }