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// (C) Copyright Jeremy Siek 2002.
// 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)
#include <boost/pending/disjoint_sets.hpp>
#include <boost/test/minimal.hpp>
#include <boost/cstdlib.hpp>
template <typename DisjointSet>
struct test_disjoint_set {
static void do_test()
{
// The following tests are pretty lame, just a basic sanity check.
// Industrial strength tests still need to be written.
#if !defined(__MWERKS__) || __MWERKS__ > 0x3003
std::size_t elts[]
#else
std::size_t elts[4]
#endif
= { 0, 1, 2, 3 };
const int N = sizeof(elts)/sizeof(*elts);
DisjointSet ds(N);
ds.make_set(elts[0]);
ds.make_set(elts[1]);
ds.make_set(elts[2]);
ds.make_set(elts[3]);
BOOST_CHECK(ds.find_set(0) != ds.find_set(1));
BOOST_CHECK(ds.find_set(0) != ds.find_set(2));
BOOST_CHECK(ds.find_set(0) != ds.find_set(3));
BOOST_CHECK(ds.find_set(1) != ds.find_set(2));
BOOST_CHECK(ds.find_set(1) != ds.find_set(3));
BOOST_CHECK(ds.find_set(2) != ds.find_set(3));
ds.union_set(0, 1);
ds.union_set(2, 3);
BOOST_CHECK(ds.find_set(0) != ds.find_set(3));
int a = ds.find_set(0);
BOOST_CHECK(a == ds.find_set(1));
int b = ds.find_set(2);
BOOST_CHECK(b == ds.find_set(3));
ds.link(a, b);
BOOST_CHECK(ds.find_set(a) == ds.find_set(b));
BOOST_CHECK(1 == ds.count_sets(elts, elts + N));
ds.normalize_sets(elts, elts + N);
ds.compress_sets(elts, elts + N);
BOOST_CHECK(1 == ds.count_sets(elts, elts + N));
}
};
int
test_main(int, char*[])
{
using namespace boost;
{
typedef
disjoint_sets_with_storage<identity_property_map, identity_property_map,
find_with_path_halving> ds_type;
test_disjoint_set<ds_type>::do_test();
}
{
typedef
disjoint_sets_with_storage<identity_property_map, identity_property_map,
find_with_full_path_compression> ds_type;
test_disjoint_set<ds_type>::do_test();
}
return boost::exit_success;
}
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