61 lines
2.3 KiB
C++
61 lines
2.3 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <regex>
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// UNSUPPORTED: 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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#include "test_macros.h"
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int main(int, char**) {
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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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// Those test cases are taken from PR40904
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assert(std::regex_match("abZcd", std::regex("^ab[\\d\\D]cd")));
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assert(std::regex_match("ab5cd", std::regex("^ab[\\d\\D]cd")));
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assert(std::regex_match("abZcd", std::regex("^ab[\\D]cd")));
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assert(std::regex_match("abZcd", std::regex("^ab\\Dcd")));
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assert(std::regex_match("ab5cd", std::regex("^ab[\\d]cd")));
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assert(std::regex_match("ab5cd", std::regex("^ab\\dcd")));
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assert(!std::regex_match("abZcd", std::regex("^ab\\dcd")));
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assert(!std::regex_match("ab5cd", std::regex("^ab\\Dcd")));
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assert(std::regex_match("_xyz_", std::regex("_(\\s|\\S)+_")));
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assert(std::regex_match("_xyz_", std::regex("_[\\s\\S]+_")));
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return 0;
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}
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