68 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <regex>10 11// template <class charT, class traits = regex_traits<charT>>12// class basic_regex13// {14// public:15// // constants:16// static constexpr regex_constants::syntax_option_type icase = regex_constants::icase;17// static constexpr regex_constants::syntax_option_type nosubs = regex_constants::nosubs;18// static constexpr regex_constants::syntax_option_type optimize = regex_constants::optimize;19// static constexpr regex_constants::syntax_option_type collate = regex_constants::collate;20// static constexpr regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript;21// static constexpr regex_constants::syntax_option_type basic = regex_constants::basic;22// static constexpr regex_constants::syntax_option_type extended = regex_constants::extended;23// static constexpr regex_constants::syntax_option_type awk = regex_constants::awk;24// static constexpr regex_constants::syntax_option_type grep = regex_constants::grep;25// static constexpr regex_constants::syntax_option_type egrep = regex_constants::egrep;26 27#include <regex>28#include <type_traits>29#include "test_macros.h"30 31template <class T>32void where(const T &) {}33 34template <class CharT>35void36test()37{38 typedef std::basic_regex<CharT> BR;39 static_assert((BR::icase == std::regex_constants::icase), "");40 static_assert((BR::nosubs == std::regex_constants::nosubs), "");41 static_assert((BR::optimize == std::regex_constants::optimize), "");42 static_assert((BR::collate == std::regex_constants::collate), "");43 static_assert((BR::ECMAScript == std::regex_constants::ECMAScript), "");44 static_assert((BR::basic == std::regex_constants::basic), "");45 static_assert((BR::extended == std::regex_constants::extended), "");46 static_assert((BR::awk == std::regex_constants::awk), "");47 static_assert((BR::grep == std::regex_constants::grep), "");48 static_assert((BR::egrep == std::regex_constants::egrep), "");49 where(BR::icase);50 where(BR::nosubs);51 where(BR::optimize);52 where(BR::collate);53 where(BR::ECMAScript);54 where(BR::basic);55 where(BR::extended);56 where(BR::awk);57 where(BR::grep);58 where(BR::egrep);59}60 61int main(int, char**)62{63 test<char>();64 test<wchar_t>();65 66 return 0;67}68