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

   1 // { dg-do run { target c++11 } }
   2
   3 // 2007-03-12  Stephen M. Webb  <stephen.webb@bregmasoft.com>
   4 //
   5 // Copyright (C) 2010-2018 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 // [28.8.3] class template basic_regex assign()
  23
  24 #include <string>
  25 #include <regex>
  26 #include <testsuite_hooks.h>
  27
  28 // Tests C++ string assignment of the basic_regex class.
  29 void test01()
  30 {
  31   typedef std::basic_regex<char> test_type;
  32
  33   std::string s("a*b");
  34   test_type re;
  35   re.assign(s);
  36 }
  37
  38 // libstdc++/64584
  39 void test02()
  40 {
  41   std::regex re("", std::regex_constants::extended);
  42   auto flags = re.flags();
  43   try
  44     {
  45       re.assign("(", std::regex_constants::icase);
  46       VERIFY(false);
  47     }
  48   catch (const std::regex_error& e)
  49     {
  50       VERIFY(flags == re.flags());
  51     }
  52 }
  53
  54 int
  55 main()
  56 {
  57   test01();
  58   test02();
  59   return 0;
  60 }