1// { dg-options "-std=gnu++11" }
2
3//
4// 2013-09-14  Tim Shen <timshen91@gmail.com>
5//
6// Copyright (C) 2013-2015 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 assertion.
25
26#include <regex>
27#include <testsuite_hooks.h>
28#include <testsuite_regex.h>
29
30using namespace __gnu_test;
31using namespace std;
32
33void
34test01()
35{
36  bool test __attribute__((unused)) = true;
37
38  VERIFY(!regex_search_debug("2123456", regex("^1234")));
39  VERIFY(regex_search_debug("123456", regex("^1234")));
40  VERIFY(regex_search_debug("123456", regex("(5|^)1234")));
41  VERIFY(regex_search_debug("5123456", regex("(5|^)1234")));
42  VERIFY(!regex_search_debug("1234562", regex("3456$")));
43  VERIFY(regex_search_debug("123456", regex("3456$")));
44  VERIFY(!regex_search_debug("123456", regex("(?=1234)56")));
45  VERIFY(regex_search_debug("123456", regex("(?=1234)123456")));
46  VERIFY(regex_search_debug("123456", regex("(?!1234)56")));
47  VERIFY(!regex_search_debug("123456", regex("(?!1234)123456")));
48
49  VERIFY(regex_search_debug("a-", regex("a\\b-")));
50  VERIFY(!regex_search_debug("ab", regex("a\\bb")));
51  VERIFY(!regex_search_debug("a-", regex("a\\B-")));
52  VERIFY(regex_search_debug("ab", regex("a\\Bb")));
53
54  string s("This is a regular expression");
55  string sol[] =
56    {
57      "This",
58      "",
59      "is",
60      "",
61      "a",
62      "",
63      "regular",
64      "",
65      "expression",
66      "",
67    };
68
69  regex re("\\b\\w*\\b");
70  int i = 0;
71  for (auto it = sregex_iterator(s.begin(), s.end(), re);
72       it != sregex_iterator();
73       ++it)
74    {
75      string s((*it)[0].first, (*it)[0].second);
76      VERIFY(s == sol[i++]);
77    }
78  VERIFY(i == 10);
79
80  {
81    cmatch m;
82    regex re("(?=(as)df)as(df)");
83    regex_search("asdf", m, re);
84    VERIFY(m.size() == 3);
85    VERIFY(m[0].matched && string(m[0].first, m[0].second) == "asdf");
86    VERIFY(m[1].matched && string(m[1].first, m[1].second) == "as");
87    VERIFY(m[2].matched && string(m[2].first, m[2].second) == "df");
88  }
89}
90
91int
92main()
93{
94  test01();
95  return 0;
96}
97