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// { dg-options "-std=gnu++11" }
//
// 2013-07-25 Tim Shen <timshen91@gmail.com>
//
// Copyright (C) 2013-2014 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/>.
// 28.12.1 regex_iterator
// Tests iter->position() behavior
#include <regex>
#include <tuple>
#include <testsuite_hooks.h>
void
test01()
{
bool test __attribute__((unused)) = true;
std::regex re("asdf");
std::string s("asdfasdfasdf");
int i = 0;
for (std::sregex_iterator it(s.begin(), s.end(), re);
it != std::sregex_iterator();
++it, i++) {
VERIFY( it->position() == 4 * i );
}
}
// PR libstdc++/64239
void
test02()
{
bool test __attribute__((unused)) = true;
std::regex re("\\w+");
std::string s("-a-b-c-");
std::tuple<int, int, const char*> expected[] =
{
std::make_tuple(1, 1, "a"),
std::make_tuple(3, 1, "b"),
std::make_tuple(5, 1, "c"),
};
int i = 0;
for (auto it1 = std::sregex_iterator(s.begin(), s.end(), re),
end = std::sregex_iterator(); it1 != end; ++it1, i++)
{
auto it2 = it1;
VERIFY(it1->position() == std::get<0>(expected[i]));
VERIFY(it1->length() == std::get<1>(expected[i]));
VERIFY(it1->str() == std::get<2>(expected[i]));
VERIFY(it2->position() == std::get<0>(expected[i]));
VERIFY(it2->length() == std::get<1>(expected[i]));
VERIFY(it2->str() == std::get<2>(expected[i]));
}
}
void
test03()
{
bool test __attribute__((unused)) = true;
std::smatch m;
std::string s = "abcde";
std::regex_search(s, m, std::regex("bcd"));
VERIFY(m.position() == 1);
VERIFY(m.position() == m.prefix().length());
}
int
main()
{
test01();
test02();
test03();
return 0;
}
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