gcc/libstdc++-v3/testsuite/28_regex/regression.cc
2022-01-03 10:42:10 +01:00

121 lines
3.0 KiB
C++

// { dg-do run { target c++11 } }
// { dg-timeout-factor 2 }
//
// Copyright (C) 2015-2022 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()
{
regex re("((.)", regex_constants::basic);
}
void
test02()
{
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()
{
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()
{
static const char* kNumericAnchor ="(\\$|usd)(usd|\\$|to|and|up to|[0-9,\\.\\-\\sk])+";
const std::regex re(kNumericAnchor);
(void)re;
}
void
test05()
{
VERIFY(regex_match_debug("!", std::regex("[![:alnum:]]")));
VERIFY(regex_match_debug("-", std::regex("[a-]", regex_constants::basic)));
VERIFY(regex_match_debug("-", std::regex("[a-]")));
}
// PR libstdc++/78236
void
test06()
{
char const s[] = "afoo";
std::basic_regex<char> r("(f+)");
{
std::cregex_iterator i(s, s+sizeof(s), r);
std::cregex_iterator j(s, s+sizeof(s), r);
VERIFY(i == j);
}
// The iterator manipulation code must be repeated in the same scope
// to expose the undefined read during the execution of the ==
// operator (stack location reuse)
{
std::cregex_iterator i(s, s+sizeof(s), r);
std::cregex_iterator j;
VERIFY(!(i == j));
}
}
// PR libstdc++/71500
void
test07()
{
bool test [[gnu::unused]] = true;
VERIFY(regex_match_debug("abc abc", regex("([a-z]+) \\1", regex::icase)));
VERIFY(regex_match_debug("Abc abc", regex("([a-z]+) \\1", regex::icase)));
VERIFY(regex_match_debug("abc Abc", regex("([a-z]+) \\1", regex::icase)));
}
int
main()
{
test01();
test02();
test03();
test04();
test05();
test06();
test07();
return 0;
}