hanchenye-llvm-project/libcxx/test/re/re.regex/re.regex.construct/ptr.pass.cpp

35 lines
827 B
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);
#include <regex>
#include <cassert>
template <class CharT>
void
test(const CharT* p, unsigned mc)
{
std::basic_regex<CharT> r(p);
assert(r.flags() == std::regex_constants::ECMAScript);
assert(r.mark_count() == mc);
}
int main()
{
test("\\(a\\)", 0);
test("\\(a[bc]\\)", 0);
test("\\(a\\([bc]\\)\\)", 0);
test("(a([bc]))", 2);
}