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boost_intrusive/test/slist_test.cpp

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2007-05-04 21:30:54 +00:00
/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Olaf Krzikalla 2004-2006.
// (C) Copyright Ion Gazta<74>aga 2006-2007.
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/intrusive for documentation.
//
/////////////////////////////////////////////////////////////////////////////
#include <boost/intrusive/slist.hpp>
#include <boost/intrusive/detail/pointer_to_other.hpp>
#include "itestvalue.hpp"
#include "smart_ptr.hpp"
#include "common_functors.hpp"
#include <vector>
#include <sstream>
// Boost.Test
#include "boost/test/included/test_exec_monitor.hpp"
using namespace boost::intrusive;
template<class ValueTraits>
struct test_slist
{
typedef typename ValueTraits::value_type value_type;
static void test_all (std::vector<value_type>& values);
static void test_front_back (std::vector<value_type>& values);
static void test_sort(std::vector<value_type>& values);
static void test_merge (std::vector<value_type>& values);
static void test_insert(std::vector<value_type>& values);
static void test_shift(std::vector<value_type>& values);
static void test_swap(std::vector<value_type>& values);
static void test_slow_insert (std::vector<value_type>& values);
static void test_clone (std::vector<value_type>& values);
};
template<class ValueTraits>
void test_slist<ValueTraits>
::test_all (std::vector<typename ValueTraits::value_type>& values)
{
test_front_back (values);
test_sort(values);
test_merge (values);
test_insert(values);
test_shift(values);
test_slow_insert (values);
test_swap(values);
test_clone(values);
}
//test: push_front, pop_front, front, size, empty:
template<class ValueTraits>
void test_slist<ValueTraits>
::test_front_back (std::vector<typename ValueTraits::value_type>& values)
{
typedef boost::intrusive::slist
<ValueTraits
,ValueTraits::value_type::constant_time_size, std::size_t
> list_type;
list_type testlist;
BOOST_CHECK (testlist.empty());
testlist.push_front (values[0]);
BOOST_CHECK (testlist.size() == 1);
BOOST_CHECK (&testlist.front() == &values[0]);
testlist.push_front (values[1]);
BOOST_CHECK (testlist.size() == 2);
BOOST_CHECK (&testlist.front() == &values[1]);
testlist.pop_front();
BOOST_CHECK (testlist.size() == 1);
BOOST_CHECK (&testlist.front() == &values[0]);
testlist.pop_front();
BOOST_CHECK (testlist.empty());
}
//test: merge due to error in merge implementation:
template<class ValueTraits>
void test_slist<ValueTraits>
::test_merge (std::vector<typename ValueTraits::value_type>& values)
{
typedef typename ValueTraits::value_type testvalue_t;
boost::test_tools::output_test_stream test_seq;
typedef boost::intrusive::slist
<ValueTraits
,ValueTraits::value_type::constant_time_size, std::size_t
> list_type;
list_type testlist1, testlist2;
testlist1.push_front (values[0]);
testlist2.push_front (values[4]);
testlist2.push_front (values[3]);
testlist2.push_front (values[2]);
testlist1.merge (testlist2);
std::copy (testlist1.begin(), testlist1.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("1345"));
}
//test: constructor, iterator, sort, reverse:
template<class ValueTraits>
void test_slist<ValueTraits>
::test_sort(std::vector<typename ValueTraits::value_type>& values)
{
typedef typename ValueTraits::value_type testvalue_t;
boost::test_tools::output_test_stream test_seq;
typedef boost::intrusive::slist
<ValueTraits
,ValueTraits::value_type::constant_time_size, std::size_t
> list_type;
list_type testlist (values.begin(), values.end());
std::copy (testlist.begin(), testlist.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("12345"));
testlist.sort (even_odd());
for (BOOST_DEDUCED_TYPENAME list_type::iterator i = testlist.begin(),
e = testlist.end(); i != e; i++) //test postincrement
test_seq << *i;
BOOST_CHECK (test_seq.is_equal ("24135"));
testlist.reverse();
std::copy (testlist.begin(), testlist.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("53142"));
}
//test: assign, insert_after, const_iterator, erase_after, iterator_to, previous:
template<class ValueTraits>
void test_slist<ValueTraits>
::test_insert(std::vector<typename ValueTraits::value_type>& values)
{
typedef typename ValueTraits::value_type testvalue_t;
boost::test_tools::output_test_stream test_seq;
typedef boost::intrusive::slist
<ValueTraits
,ValueTraits::value_type::constant_time_size, std::size_t
> list_type;
list_type testlist;
testlist.assign (&values[0] + 2, &values[0] + 5);
const list_type& const_testlist = testlist;
std::copy (const_testlist.begin(), const_testlist.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("345"));
BOOST_DEDUCED_TYPENAME list_type::iterator i = ++testlist.begin();
BOOST_CHECK (i->value_ == 4);
testlist.insert_after (i, values[0]);
for (BOOST_DEDUCED_TYPENAME list_type::const_iterator i2 = const_testlist.begin(),
e = const_testlist.end(); i2 != e; i2++) //test postincrement
test_seq << *i2;
BOOST_CHECK (test_seq.is_equal ("3415"));
i = testlist.iterator_to (values[4]);
BOOST_CHECK (&*i == &values[4]);
i = testlist.previous (i);
BOOST_CHECK (&*i == &values[0]);
testlist.erase_after (i);
BOOST_CHECK (&*i == &values[0]);
std::copy (const_testlist.begin(), const_testlist.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("341"));
}
//test: insert, const_iterator, erase, iterator_to:
template<class ValueTraits>
void test_slist<ValueTraits>
::test_slow_insert (std::vector<typename ValueTraits::value_type>& values)
{
typedef typename ValueTraits::value_type testvalue_t;
boost::test_tools::output_test_stream test_seq;
typedef boost::intrusive::slist
<ValueTraits
,ValueTraits::value_type::constant_time_size, std::size_t
> list_type;
list_type testlist;
testlist.push_front (values[4]);
testlist.insert (testlist.begin(), &values[0] + 2, &values[0] + 4);
const list_type& const_testlist = testlist;
std::copy (const_testlist.begin(), const_testlist.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("345"));
BOOST_DEDUCED_TYPENAME list_type::iterator i = ++testlist.begin();
BOOST_CHECK (i->value_ == 4);
testlist.insert (i, values[0]);
std::copy (const_testlist.begin(), const_testlist.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("3145"));
i = testlist.iterator_to (values[4]);
BOOST_CHECK (&*i == &values[4]);
i = testlist.erase (i);
BOOST_CHECK (i == testlist.end());
//test postincrement:
for (BOOST_DEDUCED_TYPENAME list_type::const_iterator i =
const_testlist.begin(), e = const_testlist.end(); i != e; i++)
test_seq << *i;
BOOST_CHECK (test_seq.is_equal ("314"));
testlist.erase (++testlist.begin(), testlist.end());
BOOST_CHECK (testlist.size() == 1);
BOOST_CHECK (testlist.front().value_ == 3);
}
template<class ValueTraits>
void test_slist<ValueTraits>
::test_shift(std::vector<typename ValueTraits::value_type>& values)
{
typedef typename ValueTraits::value_type testvalue_t;
boost::test_tools::output_test_stream test_seq;
typedef boost::intrusive::slist
<ValueTraits
,ValueTraits::value_type::constant_time_size, std::size_t
> list_type;
list_type testlist;
const int num_values = (int)values.size();
std::vector<int> expected_values(num_values);
//Shift forward all possible positions 3 times
for(int i = 0; i < num_values*3; ++i){
testlist.assign(values.begin(), values.end());
testlist.shift_forward(i);
for(int j = 0; j < num_values; ++j){
expected_values[(j + num_values - i%num_values) % num_values] = (j + 1);
}
std::copy (testlist.begin(), testlist.end(),
std::ostream_iterator<testvalue_t> (test_seq));
std::stringstream stream;
std::copy (expected_values.begin(), expected_values.end(),
std::ostream_iterator<testvalue_t> (stream));
stream << std::ends;
BOOST_CHECK (test_seq.is_equal (stream.str().c_str()));
testlist.clear();
}
//Shift backwards all possible positions
for(int i = 0; i < num_values*3; ++i){
testlist.assign(values.begin(), values.end());
testlist.shift_backwards(i);
for(int j = 0; j < num_values; ++j){
expected_values[(j + i) % num_values] = (j + 1);
}
std::copy (testlist.begin(), testlist.end(),
std::ostream_iterator<testvalue_t> (test_seq));
std::stringstream stream2;
std::copy (testlist.begin(), testlist.end(),
std::ostream_iterator<testvalue_t> (stream2));
stream2 << std::ends;
std::stringstream stream;
std::copy (expected_values.begin(), expected_values.end(),
std::ostream_iterator<testvalue_t> (stream));
stream << std::ends;
BOOST_CHECK (test_seq.is_equal (stream.str().c_str()));
testlist.clear();
}
}
//test: insert_after (seq-version), swap, splice_after:
template<class ValueTraits>
void test_slist<ValueTraits>
::test_swap(std::vector<typename ValueTraits::value_type>& values)
{
typedef typename ValueTraits::value_type testvalue_t;
boost::test_tools::output_test_stream test_seq;
typedef boost::intrusive::slist
<ValueTraits
,ValueTraits::value_type::constant_time_size, std::size_t
> list_type;
{
list_type testlist1 (&values[0], &values[0] + 2);
list_type testlist2;
testlist2.insert_after (testlist2.end(), &values[0] + 2, &values[0] + 5);
testlist1.swap(testlist2);
std::copy (testlist1.begin(), testlist1.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("345"));
std::copy (testlist2.begin(), testlist2.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("12"));
testlist2.splice_after (testlist2.begin(), testlist1);
std::copy (testlist2.begin(), testlist2.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("13452"));
BOOST_CHECK (testlist1.empty());
testlist1.splice_after (testlist1.end(), testlist2, ++testlist2.begin());
std::copy (testlist1.begin(), testlist1.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("4"));
std::copy (testlist2.begin(), testlist2.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("1352"));
testlist1.splice_after (testlist1.begin(), testlist2,
testlist2.end(), ++++testlist2.begin());
std::copy (testlist1.begin(), testlist1.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("4135"));
std::copy (testlist2.begin(), testlist2.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("2"));
}
{
boost::test_tools::output_test_stream test_seq;
list_type testlist1 (&values[0], &values[0] + 2);
list_type testlist2 (&values[0] + 3, &values[0] + 5);
values[0].swap_nodes(values[2]);
std::copy (testlist1.begin(), testlist1.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("32"));
values[2].swap_nodes(values[4]);
std::copy (testlist1.begin(), testlist1.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("52"));
std::copy (testlist2.begin(), testlist2.end(),
std::ostream_iterator<testvalue_t> (test_seq));
BOOST_CHECK (test_seq.is_equal ("43"));
}
}
template<class ValueTraits>
void test_slist<ValueTraits>
::test_clone(std::vector<typename ValueTraits::value_type>& values)
{
typedef typename ValueTraits::value_type testvalue_t;
boost::test_tools::output_test_stream test_seq;
typedef boost::intrusive::slist
<ValueTraits
,ValueTraits::value_type::constant_time_size, std::size_t
> list_type;
list_type testlist1 (&values[0], &values[0] + values.size());
list_type testlist2;
testlist2.clone_from(testlist1, test::new_cloner(), test::delete_destroyer());
BOOST_CHECK (testlist2 == testlist1);
testlist2.clear_and_destroy(test::delete_destroyer());
BOOST_CHECK (testlist2.empty());
}
template<class VoidPointer, bool constant_time_size>
class test_main_template
{
public:
int operator()()
{
typedef testvalue<VoidPointer, constant_time_size> testvalue_t;
std::vector<testvalue_t> data (5);
for (int i = 0; i < 5; ++i)
data[i].value_ = i + 1;
test_slist <typename testvalue_t::slist_base_hook::template
value_traits<testvalue_t> >::test_all(data);
test_slist <typename testvalue_t::slist_member_hook::template
value_traits<testvalue_t, &testvalue_t::slist_node_> >::test_all(data);
return 0;
}
};
template<class VoidPointer>
class test_main_template<VoidPointer, false>
{
public:
int operator()()
{
typedef testvalue<VoidPointer, false> testvalue_t;
std::vector<testvalue_t> data (5);
for (int i = 0; i < 5; ++i)
data[i].value_ = i + 1;
test_slist <typename testvalue_t::slist_base_hook::template
value_traits<testvalue_t> >::test_all(data);
test_slist <typename testvalue_t::slist_member_hook::template
value_traits<testvalue_t, &testvalue_t::slist_node_> >::test_all(data);
test_slist <typename testvalue_t::slist_auto_base_hook::template
value_traits<testvalue_t> >::test_all(data);
test_slist <typename testvalue_t::slist_auto_member_hook::template
value_traits<testvalue_t, &testvalue_t::slist_auto_node_> >::test_all(data);
return 0;
}
};
//Explicit instantiations of non-counted classes
template class boost::intrusive::slist<slist_base_raw, false>;
template class boost::intrusive::slist<slist_member_raw, false>;
template class boost::intrusive::slist<slist_auto_base_raw, false>;
template class boost::intrusive::slist<slist_auto_member_raw, false>;
template class boost::intrusive::slist<slist_base_smart, false>;
template class boost::intrusive::slist<slist_member_smart, false>;
template class boost::intrusive::slist<slist_auto_base_smart, false>;
template class boost::intrusive::slist<slist_auto_member_smart, false>;
//Explicit instantiation of counted classes
template class boost::intrusive::slist<slist_base_raw_t, true>;
template class boost::intrusive::slist<slist_member_raw_t, true>;
template class boost::intrusive::slist<slist_base_smart_t, true>;
template class boost::intrusive::slist<slist_member_smart_t, true>;
int test_main(int, char* [])
{
test_main_template<void*, false>()();
test_main_template<boost::intrusive::smart_ptr<void>, false>()();
test_main_template<void*, true>()();
test_main_template<boost::intrusive::smart_ptr<void>, true>()();
return 0;
}