b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <regex>
|
|
|
|
// template <class charT, class traits = regex_traits<charT>> class basic_regex;
|
|
|
|
// basic_regex(const charT* p, flag_type f = regex_constants::ECMAScript);
|
|
|
|
#include <regex>
|
|
#include <cassert>
|
|
|
|
template <class CharT>
|
|
void
|
|
test(const CharT* p, std::regex_constants::syntax_option_type f, unsigned mc)
|
|
{
|
|
std::basic_regex<CharT> r(p, f);
|
|
assert(r.flags() == f);
|
|
assert(r.mark_count() == mc);
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test("\\(a\\)", std::regex_constants::basic, 1);
|
|
test("\\(a[bc]\\)", std::regex_constants::basic, 1);
|
|
test("\\(a\\([bc]\\)\\)", std::regex_constants::basic, 2);
|
|
test("(a([bc]))", std::regex_constants::basic, 0);
|
|
|
|
test("\\(a\\)", std::regex_constants::extended, 0);
|
|
test("\\(a[bc]\\)", std::regex_constants::extended, 0);
|
|
test("\\(a\\([bc]\\)\\)", std::regex_constants::extended, 0);
|
|
test("(a([bc]))", std::regex_constants::extended, 2);
|
|
|
|
test("\\(a\\)", std::regex_constants::ECMAScript, 0);
|
|
test("\\(a[bc]\\)", std::regex_constants::ECMAScript, 0);
|
|
test("\\(a\\([bc]\\)\\)", std::regex_constants::ECMAScript, 0);
|
|
test("(a([bc]))", std::regex_constants::ECMAScript, 2);
|
|
|
|
test("\\(a\\)", std::regex_constants::awk, 0);
|
|
test("\\(a[bc]\\)", std::regex_constants::awk, 0);
|
|
test("\\(a\\([bc]\\)\\)", std::regex_constants::awk, 0);
|
|
test("(a([bc]))", std::regex_constants::awk, 2);
|
|
|
|
test("\\(a\\)", std::regex_constants::grep, 1);
|
|
test("\\(a[bc]\\)", std::regex_constants::grep, 1);
|
|
test("\\(a\\([bc]\\)\\)", std::regex_constants::grep, 2);
|
|
test("(a([bc]))", std::regex_constants::grep, 0);
|
|
|
|
test("\\(a\\)", std::regex_constants::egrep, 0);
|
|
test("\\(a[bc]\\)", std::regex_constants::egrep, 0);
|
|
test("\\(a\\([bc]\\)\\)", std::regex_constants::egrep, 0);
|
|
test("(a([bc]))", std::regex_constants::egrep, 2);
|
|
}
|