gcc/libstdc++-v3/testsuite/28_regex/regression.cc
Tim Shen 4aebb4e4a6 re PR libstdc++/77356 (regex error for a ECMAScript syntax string)
PR libstdc++/77356
	* include/bits/regex_compiler.tcc(_M_insert_bracket_matcher,
	_M_expression_term): Modify to support dash literal.
	* include/bits/regex_scanner.h: Add dash as a token type to make
	a different from the mandated dash literal by escaping.
	* include/bits/regex_scanner.tcc(_M_scan_in_bracket): Emit dash
	token in bracket expression parsing.
	* testsuite/28_regex/regression.cc: Add new testcases.

From-SVN: r239794
2016-08-27 02:03:23 +00:00

96 lines
2.4 KiB
C++

// { dg-do run { target c++11 } }
//
// Copyright (C) 2015-2016 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <testsuite_hooks.h>
#include <testsuite_regex.h>
using namespace __gnu_test;
using namespace std;
// PR libstdc++/67362
void
test01()
{
bool test __attribute__((unused)) = true;
regex re("((.)", regex_constants::basic);
}
void
test02()
{
bool test __attribute__((unused)) = true;
std::string re_str
{
"/abcd" "\n"
"/aecf" "\n"
"/ghci"
};
auto rx = std::regex(re_str, std::regex_constants::grep | std::regex_constants::icase);
VERIFY(regex_search_debug("/abcd", rx));
}
void
test03()
{
bool test __attribute__((unused)) = true;
VERIFY(regex_match_debug("a.", regex(R"(a\b.)"), regex_constants::match_not_eow));
VERIFY(regex_match_debug(".a", regex(R"(.\ba)"), regex_constants::match_not_bow));
VERIFY(regex_search_debug("a", regex(R"(^\b)")));
VERIFY(regex_search_debug("a", regex(R"(\b$)")));
VERIFY(!regex_search_debug("a", regex(R"(^\b)"), regex_constants::match_not_bow));
VERIFY(!regex_search_debug("a", regex(R"(\b$)"), regex_constants::match_not_eow));
}
// PR libstdc++/77356
void
test04()
{
bool test __attribute__((unused)) = true;
static const char* kNumericAnchor ="(\\$|usd)(usd|\\$|to|and|up to|[0-9,\\.\\-\\sk])+";
const std::regex re(kNumericAnchor);
(void)re;
}
void
test05()
{
bool test __attribute__((unused)) = true;
VERIFY(regex_match_debug("!", std::regex("[![:alnum:]]")));
VERIFY(regex_match_debug("-", std::regex("[a-]", regex_constants::basic)));
VERIFY(regex_match_debug("-", std::regex("[a-]")));
}
int
main()
{
test01();
test02();
test03();
test04();
test05();
return 0;
}