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 // bool ready() const;
15 
16 #include <regex>
17 #include <cassert>
18 
19 void
test1()20 test1()
21 {
22     std::match_results<const char*> m;
23     const char s[] = "abcdefghijk";
24     assert(m.ready() == false);
25     std::regex_search(s, m, std::regex("cd((e)fg)hi"));
26     assert(m.ready() == true);
27 }
28 
29 void
test2()30 test2()
31 {
32     std::match_results<const char*> m;
33     const char s[] = "abcdefghijk";
34     assert(m.ready() == false);
35     std::regex_search(s, m, std::regex("z"));
36     assert(m.ready() == true);
37 }
38 
main()39 int main()
40 {
41     test1();
42     test2();
43 }
44