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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <regex>
// UNSUPPORTED: c++98, c++03
// Make sure that we correctly match inverted character classes.
#include <cassert>
#include <regex>
int main() {
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]")));
}
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