ptr_size_flg.pass.cpp [plain text]
#include <regex>
#include <cassert>
template <class CharT>
void
test(const CharT* p, std::size_t len, std::regex_constants::syntax_option_type f,
unsigned mc)
{
std::basic_regex<CharT> r(p, len, f);
assert(r.flags() == f);
assert(r.mark_count() == mc);
}
int main()
{
test("\\(a\\)", 5, std::regex_constants::basic, 1);
test("\\(a[bc]\\)", 9, std::regex_constants::basic, 1);
test("\\(a\\([bc]\\)\\)", 13, std::regex_constants::basic, 2);
test("(a([bc]))", 9, std::regex_constants::basic, 0);
test("\\(a\\)", 5, std::regex_constants::extended, 0);
test("\\(a[bc]\\)", 9, std::regex_constants::extended, 0);
test("\\(a\\([bc]\\)\\)", 13, std::regex_constants::extended, 0);
test("(a([bc]))", 9, std::regex_constants::extended, 2);
test("\\(a\\)", 5, std::regex_constants::ECMAScript, 0);
test("\\(a[bc]\\)", 9, std::regex_constants::ECMAScript, 0);
test("\\(a\\([bc]\\)\\)", 13, std::regex_constants::ECMAScript, 0);
test("(a([bc]))", 9, std::regex_constants::ECMAScript, 2);
test("\\(a\\)", 5, std::regex_constants::awk, 0);
test("\\(a[bc]\\)", 9, std::regex_constants::awk, 0);
test("\\(a\\([bc]\\)\\)", 13, std::regex_constants::awk, 0);
test("(a([bc]))", 9, std::regex_constants::awk, 2);
test("\\(a\\)", 5, std::regex_constants::grep, 1);
test("\\(a[bc]\\)", 9, std::regex_constants::grep, 1);
test("\\(a\\([bc]\\)\\)", 13, std::regex_constants::grep, 2);
test("(a([bc]))", 9, std::regex_constants::grep, 0);
test("\\(a\\)", 5, std::regex_constants::egrep, 0);
test("\\(a[bc]\\)", 9, std::regex_constants::egrep, 0);
test("\\(a\\([bc]\\)\\)", 13, std::regex_constants::egrep, 0);
test("(a([bc]))", 9, std::regex_constants::egrep, 2);
}