public function testWithout()
{
$included_nodes = [KademliaTestFactory::constructNode(), KademliaTestFactory::constructNode(), KademliaTestFactory::constructNode(), KademliaTestFactory::constructNode()];
$excluded_nodes = [KademliaTestFactory::constructNode(), KademliaTestFactory::constructNode(), KademliaTestFactory::constructNode()];
$intersection_nodes = [KademliaTestFactory::constructNode(), KademliaTestFactory::constructNode()];
$node_list_a = new Kademlia\NodeList(array_merge($included_nodes, $intersection_nodes));
$node_list_b = new Kademlia\NodeList(array_merge($excluded_nodes, $intersection_nodes));
$without = $node_list_a->without($node_list_b);
$actual_count = count($without->toArray());
$expected_count = count($included_nodes);
$this->assertEqual($actual_count, $expected_count);
}
