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//===----------------------------------------------------------------------===//
//
// 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>
// UNSUPPORTED: c++98, c++03
// Make sure that we correctly match inverted character classes.
#include <cassert>
#include <regex>
#include "test_macros.h"
int main(int, char**) {
assert(std::regex_match("X", std::regex("[X]")));
assert(std::regex_match("X", std::regex("[XY]")));
assert(!std::regex_match("X", std::regex("[^X]")));
assert(!std::regex_match("X", std::regex("[^XY]")));
assert(std::regex_match("X", std::regex("[\\S]")));
assert(!std::regex_match("X", std::regex("[^\\S]")));
assert(!std::regex_match("X", std::regex("[\\s]")));
assert(std::regex_match("X", std::regex("[^\\s]")));
assert(std::regex_match("X", std::regex("[\\s\\S]")));
assert(std::regex_match("X", std::regex("[^Y\\s]")));
assert(!std::regex_match("X", std::regex("[^X\\s]")));
assert(std::regex_match("X", std::regex("[\\w]")));
assert(std::regex_match("_", std::regex("[\\w]")));
assert(!std::regex_match("X", std::regex("[^\\w]")));
assert(!std::regex_match("_", std::regex("[^\\w]")));
assert(!std::regex_match("X", std::regex("[\\W]")));
assert(!std::regex_match("_", std::regex("[\\W]")));
assert(std::regex_match("X", std::regex("[^\\W]")));
assert(std::regex_match("_", std::regex("[^\\W]")));
// Those test cases are taken from PR40904
assert(std::regex_match("abZcd", std::regex("^ab[\\d\\D]cd")));
assert(std::regex_match("ab5cd", std::regex("^ab[\\d\\D]cd")));
assert(std::regex_match("abZcd", std::regex("^ab[\\D]cd")));
assert(std::regex_match("abZcd", std::regex("^ab\\Dcd")));
assert(std::regex_match("ab5cd", std::regex("^ab[\\d]cd")));
assert(std::regex_match("ab5cd", std::regex("^ab\\dcd")));
assert(!std::regex_match("abZcd", std::regex("^ab\\dcd")));
assert(!std::regex_match("ab5cd", std::regex("^ab\\Dcd")));
assert(std::regex_match("_xyz_", std::regex("_(\\s|\\S)+_")));
assert(std::regex_match("_xyz_", std::regex("_[\\s\\S]+_")));
return 0;
}
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