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45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <regex>
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// UNSUPPORTED: c++98, c++03
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// Make sure that we correctly match inverted character classes.
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#include <cassert>
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#include <regex>
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int main() {
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assert(std::regex_match("X", std::regex("[X]")));
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assert(std::regex_match("X", std::regex("[XY]")));
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assert(!std::regex_match("X", std::regex("[^X]")));
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assert(!std::regex_match("X", std::regex("[^XY]")));
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assert(std::regex_match("X", std::regex("[\\S]")));
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assert(!std::regex_match("X", std::regex("[^\\S]")));
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assert(!std::regex_match("X", std::regex("[\\s]")));
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assert(std::regex_match("X", std::regex("[^\\s]")));
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assert(std::regex_match("X", std::regex("[\\s\\S]")));
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assert(std::regex_match("X", std::regex("[^Y\\s]")));
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assert(!std::regex_match("X", std::regex("[^X\\s]")));
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assert(std::regex_match("X", std::regex("[\\w]")));
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assert(std::regex_match("_", std::regex("[\\w]")));
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assert(!std::regex_match("X", std::regex("[^\\w]")));
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assert(!std::regex_match("_", std::regex("[^\\w]")));
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assert(!std::regex_match("X", std::regex("[\\W]")));
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assert(!std::regex_match("_", std::regex("[\\W]")));
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assert(std::regex_match("X", std::regex("[^\\W]")));
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assert(std::regex_match("_", std::regex("[^\\W]")));
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}
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