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

   1 // { dg-do run { target c++11 } }
   2 // { dg-timeout-factor 2 }
   3
   4 //
   5 // 2013-09-18  Tim Shen <timshen91@gmail.com>
   6 //
   7 // Copyright (C) 2013-2022 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14 //
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19 //
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 // 28.11.3 regex_search
  25 // Tests ECMAScript flags.
  26
  27 #include <regex>
  28 #include <testsuite_hooks.h>
  29 #include <testsuite_regex.h>
  30
  31 using namespace __gnu_test;
  32 using namespace std;
  33
  34 void
  35 test01()
  36 {
  37   cmatch m;
  38   regex re("((as)(df))", regex_constants::ECMAScript | regex_constants::nosubs);
  39   VERIFY(regex_search_debug("asdf", m, re));
  40   VERIFY(m.size() == 1);
  41   VERIFY(m[0].matched && string(m[0].first, m[0].second) == "asdf");
  42
  43   VERIFY( regex_search_debug("a", regex("^a")));
  44   VERIFY(!regex_search_debug("a", regex("^a"), regex_constants::match_not_bol));
  45   VERIFY( regex_search_debug("a", regex("a$")));
  46   VERIFY(!regex_search_debug("a", regex("a$"), regex_constants::match_not_eol));
  47   VERIFY( regex_search_debug("a", regex("\\ba")));
  48   VERIFY(!regex_search_debug("a", regex("\\ba"),
  49                              regex_constants::match_not_bow));
  50   VERIFY( regex_search_debug("a", regex("a\\b")));
  51   VERIFY(!regex_search_debug("a", regex("a\\b"),
  52                              regex_constants::match_not_eow));
  53   VERIFY( regex_search_debug("", regex("")));
  54   VERIFY(!regex_search_debug("", regex(""), regex_constants::match_not_null));
  55   VERIFY( regex_search_debug("", regex("^$")));
  56   VERIFY(!regex_search_debug("", regex("^$"), regex_constants::match_not_null));
  57   VERIFY( regex_search_debug("aaa", m, regex("a*?"),
  58                              regex_constants::match_not_null));
  59   VERIFY(m[0].matched && string(m[0].first, m[0].second) == "a");
  60   VERIFY( regex_search_debug("asdf", regex("sdf")));
  61   VERIFY(!regex_search_debug("asdf", regex("sdf"),
  62                              regex_constants::match_continuous));
  63   VERIFY( regex_search_debug(" a"+1, regex("\\ba"),
  64                              regex_constants::match_prev_avail));
  65   VERIFY( regex_search_debug("ba"+1, regex("\\Ba"),
  66                              regex_constants::match_prev_avail));
  67   // PR libstdc++/63920
  68   VERIFY(!regex_search_debug("a", regex("b*"), regex_constants::match_not_null));
  69 }
  70
  71 int
  72 main()
  73 {
  74   test01();
  75   return 0;
  76 }