1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <regex>
11
12 // class match_results<BidirectionalIterator, Allocator>
13
14 // template <class ST, class SA>
15 // basic_string<char_type, ST, SA>
16 // format(const basic_string<char_type, ST, SA>& fmt,
17 // regex_constants::match_flag_type flags = regex_constants::format_default) const;
18
19 #include <iostream>
20
21 #include <regex>
22 #include <cassert>
23
24 #include "test_allocator.h"
25
main()26 int main()
27 {
28 typedef std::basic_string<char, std::char_traits<char>, test_allocator<char> > nstr;
29 typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, test_allocator<wchar_t> > wstr;
30 {
31 std::match_results<const char*> m;
32 const char s[] = "abcdefghijk";
33 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
34
35 nstr fmt("prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
36 nstr out = m.format(fmt);
37 assert(out == "prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
38 }
39 {
40 std::match_results<const char*> m;
41 const char s[] = "abcdefghijk";
42 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
43
44 nstr fmt("prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
45 nstr out = m.format(fmt, std::regex_constants::format_sed);
46 assert(out == "prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
47 }
48 {
49 std::match_results<const char*> m;
50 const char s[] = "abcdefghijk";
51 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
52
53 nstr fmt("match: &, m[1]: \\1, m[2]: \\2");
54 nstr out = m.format(fmt, std::regex_constants::format_sed);
55 assert(out == "match: cdefghi, m[1]: efg, m[2]: e");
56 }
57
58 {
59 std::match_results<const wchar_t*> m;
60 const wchar_t s[] = L"abcdefghijk";
61 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
62
63 wstr fmt(L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
64 wstr out = m.format(fmt);
65 assert(out == L"prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
66 }
67 {
68 std::match_results<const wchar_t*> m;
69 const wchar_t s[] = L"abcdefghijk";
70 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
71
72 wstr fmt(L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
73 wstr out = m.format(fmt, std::regex_constants::format_sed);
74 assert(out == L"prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
75 }
76 {
77 std::match_results<const wchar_t*> m;
78 const wchar_t s[] = L"abcdefghijk";
79 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
80
81 wstr fmt(L"match: &, m[1]: \\1, m[2]: \\2");
82 wstr out = m.format(fmt, std::regex_constants::format_sed);
83 assert(out == L"match: cdefghi, m[1]: efg, m[2]: e");
84 }
85 }
86