Exheredludis/paludis/util/indirect_iterator_TEST.cc
Ciaran McCreesh f475a230cc gtest more
2011-03-20 19:20:23 +00:00

122 lines
3.5 KiB
C++

/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2005, 2006, 2007, 2008, 2010, 2011 Ciaran McCreesh
* Copyright (c) 2007 David Leverton
*
* This file is part of the Paludis package manager. Paludis is free software;
* you can redistribute it and/or modify it under the terms of the GNU General
* Public License version 2, as published by the Free Software Foundation.
*
* Paludis 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 program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <paludis/util/indirect_iterator-impl.hh>
#include <paludis/util/join.hh>
#include <paludis/util/iterator_funcs.hh>
#include <algorithm>
#include <vector>
#include <list>
#include <gtest/gtest.h>
using namespace paludis;
namespace
{
struct Deleter
{
template <typename T_>
void operator() (T_ t)
{
delete t;
}
};
}
TEST(IndirectIterator, VectorSharedInt)
{
std::vector<std::shared_ptr<int> > v;
v.push_back(std::shared_ptr<int>(std::make_shared<int>(5)));
v.push_back(std::shared_ptr<int>(std::make_shared<int>(10)));
IndirectIterator<std::vector<std::shared_ptr<int> >::iterator, int> vi(v.begin()), vi_end(v.end());
ASSERT_TRUE(vi != vi_end);
ASSERT_TRUE(vi < vi_end);
ASSERT_TRUE(! (vi > vi_end));
EXPECT_EQ(5, *vi);
ASSERT_TRUE(++vi != vi_end);
ASSERT_TRUE(vi < vi_end);
ASSERT_TRUE(! (vi > vi_end));
EXPECT_EQ(10, *vi);
ASSERT_TRUE(++vi == vi_end);
}
TEST(IndirectIterator, ListSharedInt)
{
std::list<std::shared_ptr<int> > v;
v.push_back(std::shared_ptr<int>(std::make_shared<int>(5)));
v.push_back(std::shared_ptr<int>(std::make_shared<int>(10)));
IndirectIterator<std::list<std::shared_ptr<int> >::iterator> vi(v.begin()), vi_end(v.end());
ASSERT_TRUE(vi != vi_end);
EXPECT_EQ(5, *vi);
ASSERT_TRUE(++vi != vi_end);
EXPECT_EQ(10, *vi);
ASSERT_TRUE(++vi == vi_end);
}
TEST(IndirectIterator, VectorIntStar)
{
std::vector<int *> v;
v.push_back(new int(5));
v.push_back(new int(10));
IndirectIterator<std::vector<int *>::iterator, int> vi(v.begin()), vi_end(v.end());
ASSERT_TRUE(vi != vi_end);
ASSERT_TRUE(vi < vi_end);
ASSERT_TRUE(! (vi > vi_end));
EXPECT_EQ(5, *vi);
ASSERT_TRUE(++vi != vi_end);
ASSERT_TRUE(vi < vi_end);
ASSERT_TRUE(! (vi > vi_end));
EXPECT_EQ(10, *vi);
ASSERT_TRUE(++vi == vi_end);
std::for_each(v.begin(), v.end(), Deleter());
}
TEST(IndirectIterator, ListIntStar)
{
std::list<int *> v;
v.push_back(new int(5));
v.push_back(new int(10));
IndirectIterator<std::list<int *>::iterator, int> vi(v.begin()), vi_end(v.end());
ASSERT_TRUE(vi != vi_end);
EXPECT_EQ(5, *vi);
ASSERT_TRUE(++vi != vi_end);
EXPECT_EQ(10, *vi);
ASSERT_TRUE(++vi == vi_end);
std::for_each(v.begin(), v.end(), Deleter());
}
TEST(IndirectIterator, ListIntListIterator)
{
std::list<int> v;
v.push_back(5);
v.push_back(10);
std::list<std::list<int>::iterator> w;
w.push_back(v.begin());
w.push_back(next(v.begin()));
EXPECT_EQ("5, 10", join(indirect_iterator(w.begin()), indirect_iterator(w.end()), ", "));
}