cxx/test/re/re.regex/re.regex.construct/ptr_flg.pass.cpp
Howard Hinnant 0de86b6338 regex: learning to crawl
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@106882 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-25 20:56:08 +00:00

36 lines
1.0 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. 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("", std::regex_constants::basic, 0);
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);
}