heap/test/stable_heap_tests.hpp
Tim Blechmann c99194061f heap: merge changes from trunk
[SVN r81319]
2012-11-13 11:16:53 +00:00

100 lines
2.5 KiB
C++

/*=============================================================================
Copyright (c) 2010 Tim Blechmann
Use, modification and distribution is subject to 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)
=============================================================================*/
#include <boost/foreach.hpp>
#include "common_heap_tests.hpp"
struct q_tester
{
q_tester(int i = 0, int j = 0):
value(i), id(j)
{}
bool operator< (q_tester const & rhs) const
{
return value < rhs.value;
}
bool operator> (q_tester const & rhs) const
{
return value > rhs.value;
}
bool operator== (q_tester const & rhs) const
{
return (value == rhs.value) && (id == rhs.id);
}
int value;
int id;
};
std::ostream& operator<< (std::ostream& out, q_tester const & t)
{
out << "[" << t.value << " " << t.id << "]";
return out;
}
typedef std::vector<q_tester> stable_test_data;
stable_test_data make_stable_test_data(int size, int same_count = 3,
int offset = 0, int strive = 1)
{
stable_test_data ret;
for (int i = 0; i != size; ++i)
for (int j = 0; j != same_count; ++j)
ret.push_back(q_tester(i * strive + offset, j));
return ret;
}
struct compare_by_id
{
bool operator()(q_tester const & lhs, q_tester const & rhs)
{
return lhs.id > rhs.id;
}
};
template <typename pri_queue>
void pri_queue_stable_test_sequential_push(void)
{
stable_test_data data = make_stable_test_data(test_size);
pri_queue q;
fill_q(q, data);
std::stable_sort(data.begin(), data.end(), compare_by_id());
std::stable_sort(data.begin(), data.end(), std::less<q_tester>());
check_q(q, data);
}
template <typename pri_queue>
void pri_queue_stable_test_sequential_reverse_push(void)
{
stable_test_data data = make_stable_test_data(test_size);
pri_queue q;
stable_test_data push_data(data);
std::stable_sort(push_data.begin(), push_data.end(), std::greater<q_tester>());
fill_q(q, push_data);
std::stable_sort(data.begin(), data.end(), compare_by_id());
std::stable_sort(data.begin(), data.end(), std::less<q_tester>());
check_q(q, data);
}
template <typename pri_queue>
void run_stable_heap_tests(void)
{
pri_queue_stable_test_sequential_push<pri_queue>();
pri_queue_stable_test_sequential_reverse_push<pri_queue>();
}