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 OutputIter, class ST, class SA>
15 // OutputIter
16 // format(OutputIter out, 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_iterators.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 char out[100] = {0};
37 nstr fmt("prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
38 char* r = m.format(output_iterator<char*>(out), fmt).base();
39 assert(r == out + 58);
40 assert(std::string(out) == "prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
41 }
42 {
43 std::match_results<const char*> m;
44 const char s[] = "abcdefghijk";
45 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
46
47 char out[100] = {0};
48 nstr fmt("prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
49 char* r = m.format(output_iterator<char*>(out),
50 fmt, std::regex_constants::format_sed).base();
51 assert(r == out + 59);
52 assert(std::string(out) == "prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
53 }
54 {
55 std::match_results<const char*> m;
56 const char s[] = "abcdefghijk";
57 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
58
59 char out[100] = {0};
60 nstr fmt("match: &, m[1]: \\1, m[2]: \\2");
61 char* r = m.format(output_iterator<char*>(out),
62 fmt, std::regex_constants::format_sed).base();
63 assert(r == out + 34);
64 assert(std::string(out) == "match: cdefghi, m[1]: efg, m[2]: e");
65 }
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 wchar_t out[100] = {0};
73 wstr fmt(L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
74 wchar_t* r = m.format(output_iterator<wchar_t*>(out), fmt).base();
75 assert(r == out + 58);
76 assert(std::wstring(out) == L"prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
77 }
78 {
79 std::match_results<const wchar_t*> m;
80 const wchar_t s[] = L"abcdefghijk";
81 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
82
83 wchar_t out[100] = {0};
84 wstr fmt(L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
85 wchar_t* r = m.format(output_iterator<wchar_t*>(out),
86 fmt, std::regex_constants::format_sed).base();
87 assert(r == out + 59);
88 assert(std::wstring(out) == L"prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
89 }
90 {
91 std::match_results<const wchar_t*> m;
92 const wchar_t s[] = L"abcdefghijk";
93 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
94
95 wchar_t out[100] = {0};
96 wstr fmt(L"match: &, m[1]: \\1, m[2]: \\2");
97 wchar_t* r = m.format(output_iterator<wchar_t*>(out),
98 fmt, std::regex_constants::format_sed).base();
99 assert(r == out + 34);
100 assert(std::wstring(out) == L"match: cdefghi, m[1]: efg, m[2]: e");
101 }
102 }
103