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_macros.h"
25 #include "test_allocator.h"
26
main()27 int main()
28 {
29 typedef std::basic_string<char, std::char_traits<char>, test_allocator<char> > nstr;
30 typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, test_allocator<wchar_t> > wstr;
31 {
32 std::match_results<const char*> m;
33 const char s[] = "abcdefghijk";
34 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
35
36 nstr fmt("prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
37 nstr out = m.format(fmt);
38 assert(out == "prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
39 }
40 {
41 std::match_results<const char*> m;
42 const char s[] = "abcdefghijk";
43 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
44
45 nstr fmt("prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
46 nstr out = m.format(fmt, std::regex_constants::format_sed);
47 assert(out == "prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
48 }
49 {
50 std::match_results<const char*> m;
51 const char s[] = "abcdefghijk";
52 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
53
54 nstr fmt("match: &, m[1]: \\1, m[2]: \\2");
55 nstr out = m.format(fmt, std::regex_constants::format_sed);
56 assert(out == "match: cdefghi, m[1]: efg, m[2]: e");
57 }
58
59 {
60 std::match_results<const wchar_t*> m;
61 const wchar_t s[] = L"abcdefghijk";
62 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
63
64 wstr fmt(L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
65 wstr out = m.format(fmt);
66 assert(out == L"prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
67 }
68 {
69 std::match_results<const wchar_t*> m;
70 const wchar_t s[] = L"abcdefghijk";
71 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
72
73 wstr fmt(L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
74 wstr out = m.format(fmt, std::regex_constants::format_sed);
75 assert(out == L"prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
76 }
77 {
78 std::match_results<const wchar_t*> m;
79 const wchar_t s[] = L"abcdefghijk";
80 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
81
82 wstr fmt(L"match: &, m[1]: \\1, m[2]: \\2");
83 wstr out = m.format(fmt, std::regex_constants::format_sed);
84 assert(out == L"match: cdefghi, m[1]: efg, m[2]: e");
85 }
86 }
87