98 lines
4.0 KiB
C++
98 lines
4.0 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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// class regex_error
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// : public runtime_error
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// {
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// public:
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// explicit regex_error(regex_constants::error_type ecode);
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// regex_constants::error_type code() const;
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// };
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#include <regex>
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#include <cassert>
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#include "test_macros.h"
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int main(int, char**)
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{
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{
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std::regex_error e(std::regex_constants::error_collate);
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assert(e.code() == std::regex_constants::error_collate);
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assert(e.what() == std::string("The expression contained an invalid collating element name."));
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}
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{
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std::regex_error e(std::regex_constants::error_ctype);
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assert(e.code() == std::regex_constants::error_ctype);
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assert(e.what() == std::string("The expression contained an invalid character class name."));
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}
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{
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std::regex_error e(std::regex_constants::error_escape);
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assert(e.code() == std::regex_constants::error_escape);
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assert(e.what() == std::string("The expression contained an invalid escaped character, or a "
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"trailing escape."));
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}
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{
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std::regex_error e(std::regex_constants::error_backref);
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assert(e.code() == std::regex_constants::error_backref);
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assert(e.what() == std::string("The expression contained an invalid back reference."));
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}
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{
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std::regex_error e(std::regex_constants::error_brack);
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assert(e.code() == std::regex_constants::error_brack);
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assert(e.what() == std::string("The expression contained mismatched [ and ]."));
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}
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{
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std::regex_error e(std::regex_constants::error_paren);
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assert(e.code() == std::regex_constants::error_paren);
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assert(e.what() == std::string("The expression contained mismatched ( and )."));
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}
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{
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std::regex_error e(std::regex_constants::error_brace);
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assert(e.code() == std::regex_constants::error_brace);
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assert(e.what() == std::string("The expression contained mismatched { and }."));
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}
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{
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std::regex_error e(std::regex_constants::error_badbrace);
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assert(e.code() == std::regex_constants::error_badbrace);
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assert(e.what() == std::string("The expression contained an invalid range in a {} expression."));
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}
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{
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std::regex_error e(std::regex_constants::error_range);
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assert(e.code() == std::regex_constants::error_range);
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assert(e.what() == std::string("The expression contained an invalid character range, "
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"such as [b-a] in most encodings."));
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}
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{
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std::regex_error e(std::regex_constants::error_space);
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assert(e.code() == std::regex_constants::error_space);
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assert(e.what() == std::string("There was insufficient memory to convert the expression into "
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"a finite state machine."));
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}
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{
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std::regex_error e(std::regex_constants::error_badrepeat);
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assert(e.code() == std::regex_constants::error_badrepeat);
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assert(e.what() == std::string("One of *?+{ was not preceded by a valid regular expression."));
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}
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{
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std::regex_error e(std::regex_constants::error_complexity);
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assert(e.code() == std::regex_constants::error_complexity);
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assert(e.what() == std::string("The complexity of an attempted match against a regular "
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"expression exceeded a pre-set level."));
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}
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{
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std::regex_error e(std::regex_constants::error_stack);
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assert(e.code() == std::regex_constants::error_stack);
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assert(e.what() == std::string("There was insufficient memory to determine whether the regular "
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"expression could match the specified character sequence."));
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}
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return 0;
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}
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