1 // { dg-options "-std=gnu++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
test01()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
main()73 main()
74 {
75   test01();
76   return 0;
77 }
78