forked from OSchip/llvm-project
72 lines
2.9 KiB
C++
72 lines
2.9 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <regex>
|
|
|
|
// template <class charT, class traits = regex_traits<charT>> class basic_regex;
|
|
|
|
// template <class ForwardIterator>
|
|
// basic_regex(ForwardIterator first, ForwardIterator last,
|
|
// flag_type f = regex_constants::ECMAScript);
|
|
|
|
#include <regex>
|
|
#include <cassert>
|
|
|
|
#include "test_iterators.h"
|
|
#include "test_macros.h"
|
|
|
|
template <class Iter>
|
|
void
|
|
test(Iter first, Iter last, std::regex_constants::syntax_option_type f, unsigned mc)
|
|
{
|
|
std::basic_regex<typename std::iterator_traits<Iter>::value_type> r(first, last, f);
|
|
assert(r.flags() == f);
|
|
assert(r.mark_count() == mc);
|
|
}
|
|
|
|
int main(int, char**)
|
|
{
|
|
typedef forward_iterator<std::string::const_iterator> F;
|
|
std::string s1("\\(a\\)");
|
|
std::string s2("\\(a[bc]\\)");
|
|
std::string s3("\\(a\\([bc]\\)\\)");
|
|
std::string s4("(a([bc]))");
|
|
|
|
test(F(s1.begin()), F(s1.end()), std::regex_constants::basic, 1);
|
|
test(F(s2.begin()), F(s2.end()), std::regex_constants::basic, 1);
|
|
test(F(s3.begin()), F(s3.end()), std::regex_constants::basic, 2);
|
|
test(F(s4.begin()), F(s4.end()), std::regex_constants::basic, 0);
|
|
|
|
test(F(s1.begin()), F(s1.end()), std::regex_constants::extended, 0);
|
|
test(F(s2.begin()), F(s2.end()), std::regex_constants::extended, 0);
|
|
test(F(s3.begin()), F(s3.end()), std::regex_constants::extended, 0);
|
|
test(F(s4.begin()), F(s4.end()), std::regex_constants::extended, 2);
|
|
|
|
test(F(s1.begin()), F(s1.end()), std::regex_constants::ECMAScript, 0);
|
|
test(F(s2.begin()), F(s2.end()), std::regex_constants::ECMAScript, 0);
|
|
test(F(s3.begin()), F(s3.end()), std::regex_constants::ECMAScript, 0);
|
|
test(F(s4.begin()), F(s4.end()), std::regex_constants::ECMAScript, 2);
|
|
|
|
test(F(s1.begin()), F(s1.end()), std::regex_constants::awk, 0);
|
|
test(F(s2.begin()), F(s2.end()), std::regex_constants::awk, 0);
|
|
test(F(s3.begin()), F(s3.end()), std::regex_constants::awk, 0);
|
|
test(F(s4.begin()), F(s4.end()), std::regex_constants::awk, 2);
|
|
|
|
test(F(s1.begin()), F(s1.end()), std::regex_constants::grep, 1);
|
|
test(F(s2.begin()), F(s2.end()), std::regex_constants::grep, 1);
|
|
test(F(s3.begin()), F(s3.end()), std::regex_constants::grep, 2);
|
|
test(F(s4.begin()), F(s4.end()), std::regex_constants::grep, 0);
|
|
|
|
test(F(s1.begin()), F(s1.end()), std::regex_constants::egrep, 0);
|
|
test(F(s2.begin()), F(s2.end()), std::regex_constants::egrep, 0);
|
|
test(F(s3.begin()), F(s3.end()), std::regex_constants::egrep, 0);
|
|
test(F(s4.begin()), F(s4.end()), std::regex_constants::egrep, 2);
|
|
|
|
return 0;
|
|
}
|