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/*
 * Copyright (c) 2015 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#include <vector>

#include <boost/bind.hpp>

#include <cppunit/extensions/HelperMacros.h>
#include <cppunit/extensions/TestFactoryRegistry.h>

#include <Swiften/Client/BlockListImpl.h>
#include <Swiften/JID/JID.h>

using namespace Swift;

class BlockListImplTest : public CppUnit::TestFixture {
		CPPUNIT_TEST_SUITE(BlockListImplTest);
		CPPUNIT_TEST(testSetItemsToSubset);
		CPPUNIT_TEST(testSetItemsToSuperset);
		CPPUNIT_TEST(testSetItemsAllDifferent);
		CPPUNIT_TEST_SUITE_END();

	public:

		void testSetItemsToSubset() {
			std::vector<JID> subset;
			subset.push_back(JID("a@example.com"));

			blockList_->setItems(subset);

			CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(0), addedJIDs_.size());
			CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(1), removedJIDs_.size());
		}

		void testSetItemsToSuperset() {
			std::vector<JID> superset;
			superset.push_back(JID("a@example.com"));
			superset.push_back(JID("b@example.com"));
			superset.push_back(JID("c@example.com"));

			blockList_->setItems(superset);

			CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(1), addedJIDs_.size());
			CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(0), removedJIDs_.size());
		}

		void testSetItemsAllDifferent() {
			std::vector<JID> newBlockList;
			newBlockList.push_back(JID("x@example.com"));
			newBlockList.push_back(JID("y@example.com"));
			newBlockList.push_back(JID("z@example.com"));

			blockList_->setItems(newBlockList);

			CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(3), addedJIDs_.size());
			CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(2), removedJIDs_.size());
		}

		void setUp() {
			blockList_ = boost::make_shared<BlockListImpl>();
			addedJIDs_.clear();
			removedJIDs_.clear();
			blockList_->addItem(JID("a@example.com"));
			blockList_->addItem(JID("b@example.com"));

			blockList_->onItemAdded.connect(boost::bind(&BlockListImplTest::handleBlockListItemAdded, this, _1));
			blockList_->onItemRemoved.connect(boost::bind(&BlockListImplTest::handleBlockListItemRemoved, this, _1));
		}

		void tearDown() {
			blockList_.reset();
		}

		void handleBlockListItemAdded(const JID& jid) {
			addedJIDs_.push_back(jid);
		}

		void handleBlockListItemRemoved(const JID& jid) {
			removedJIDs_.push_back(jid);
		}

	private:
		boost::shared_ptr<BlockListImpl> blockList_;
		std::vector<JID> addedJIDs_;
		std::vector<JID> removedJIDs_;
};

CPPUNIT_TEST_SUITE_REGISTRATION(BlockListImplTest);