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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <regex>
// class regex_error
// : public runtime_error
// {
// public:
// explicit regex_error(regex_constants::error_type ecode);
// regex_constants::error_type code() const;
// };
#include <regex>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
{
std::regex_error e(std::regex_constants::error_collate);
assert(e.code() == std::regex_constants::error_collate);
assert(e.what() == std::string("The expression contained an invalid collating element name."));
}
{
std::regex_error e(std::regex_constants::error_ctype);
assert(e.code() == std::regex_constants::error_ctype);
assert(e.what() == std::string("The expression contained an invalid character class name."));
}
{
std::regex_error e(std::regex_constants::error_escape);
assert(e.code() == std::regex_constants::error_escape);
assert(e.what() == std::string("The expression contained an invalid escaped character, or a "
"trailing escape."));
}
{
std::regex_error e(std::regex_constants::error_backref);
assert(e.code() == std::regex_constants::error_backref);
assert(e.what() == std::string("The expression contained an invalid back reference."));
}
{
std::regex_error e(std::regex_constants::error_brack);
assert(e.code() == std::regex_constants::error_brack);
assert(e.what() == std::string("The expression contained mismatched [ and ]."));
}
{
std::regex_error e(std::regex_constants::error_paren);
assert(e.code() == std::regex_constants::error_paren);
assert(e.what() == std::string("The expression contained mismatched ( and )."));
}
{
std::regex_error e(std::regex_constants::error_brace);
assert(e.code() == std::regex_constants::error_brace);
assert(e.what() == std::string("The expression contained mismatched { and }."));
}
{
std::regex_error e(std::regex_constants::error_badbrace);
assert(e.code() == std::regex_constants::error_badbrace);
assert(e.what() == std::string("The expression contained an invalid range in a {} expression."));
}
{
std::regex_error e(std::regex_constants::error_range);
assert(e.code() == std::regex_constants::error_range);
assert(e.what() == std::string("The expression contained an invalid character range, "
"such as [b-a] in most encodings."));
}
{
std::regex_error e(std::regex_constants::error_space);
assert(e.code() == std::regex_constants::error_space);
assert(e.what() == std::string("There was insufficient memory to convert the expression into "
"a finite state machine."));
}
{
std::regex_error e(std::regex_constants::error_badrepeat);
assert(e.code() == std::regex_constants::error_badrepeat);
assert(e.what() == std::string("One of *?+{ was not preceded by a valid regular expression."));
}
{
std::regex_error e(std::regex_constants::error_complexity);
assert(e.code() == std::regex_constants::error_complexity);
assert(e.what() == std::string("The complexity of an attempted match against a regular "
"expression exceeded a pre-set level."));
}
{
std::regex_error e(std::regex_constants::error_stack);
assert(e.code() == std::regex_constants::error_stack);
assert(e.what() == std::string("There was insufficient memory to determine whether the regular "
"expression could match the specified character sequence."));
}
return 0;
}
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