libstdc++-v3/testsuite/28_regex/algorithms/regex_search/ecma/flags.cc

   1 // { dg-do run { target c++11 } }
   2
   3 //
   4 // 2013-09-18  Tim Shen <timshen91@gmail.com>
   5 //
   6 // Copyright (C) 2013-2016 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 // 28.11.3 regex_search
  24 // Tests ECMAScript flags.
  25
  26 #include <regex>
  27 #include <testsuite_hooks.h>
  28 #include <testsuite_regex.h>
  29
  30 using namespace __gnu_test;
  31 using namespace std;
  32
  33 void
  34 test01()
  35 {
  36   bool test __attribute__((unused)) = true;
  37
  38   cmatch m;
  39   regex re("((as)(df))", regex_constants::ECMAScript | regex_constants::nosubs);
  40   VERIFY(regex_search_debug("asdf", m, re));
  41   VERIFY(m.size() == 1);
  42   VERIFY(m[0].matched && string(m[0].first, m[0].second) == "asdf");
  43
  44   VERIFY( regex_search_debug("a", regex("^a")));
  45   VERIFY(!regex_search_debug("a", regex("^a"), regex_constants::match_not_bol));
  46   VERIFY( regex_search_debug("a", regex("a$")));
  47   VERIFY(!regex_search_debug("a", regex("a$"), regex_constants::match_not_eol));
  48   VERIFY( regex_search_debug("a", regex("\\ba")));
  49   VERIFY(!regex_search_debug("a", regex("\\ba"),
  50                              regex_constants::match_not_bow));
  51   VERIFY( regex_search_debug("a", regex("a\\b")));
  52   VERIFY(!regex_search_debug("a", regex("a\\b"),
  53                              regex_constants::match_not_eow));
  54   VERIFY( regex_search_debug("", regex("")));
  55   VERIFY(!regex_search_debug("", regex(""), regex_constants::match_not_null));
  56   VERIFY( regex_search_debug("", regex("^$")));
  57   VERIFY(!regex_search_debug("", regex("^$"), regex_constants::match_not_null));
  58   VERIFY( regex_search_debug("aaa", m, regex("a*?"),
  59                              regex_constants::match_not_null));
  60   VERIFY(m[0].matched && string(m[0].first, m[0].second) == "a");
  61   VERIFY( regex_search_debug("asdf", regex("sdf")));
  62   VERIFY(!regex_search_debug("asdf", regex("sdf"),
  63                              regex_constants::match_continuous));
  64   VERIFY( regex_search_debug(" a"+1, regex("\\ba"),
  65                              regex_constants::match_prev_avail));
  66   VERIFY( regex_search_debug("ba"+1, regex("\\Ba"),
  67                              regex_constants::match_prev_avail));
  68   // PR libstdc++/63920
  69   VERIFY(!regex_search_debug("a", regex("b*"), regex_constants::match_not_null));
  70 }
  71
  72 int
  73 main()
  74 {
  75   test01();
  76   return 0;
  77 }