DoorKeeper/test/unit/tileiterator.cpp

#include <gtest/gtest.h>
#include "doorkeeper/components/tileiterator.hpp"
#include "doorkeeper/components/pixelconv.hpp"
#include <vector>
#include <boost/iterator/counting_iterator.hpp>
#include <limits>

TEST(tileiterator, increment) {
	typedef dk::TileIterator<int, 7> tileit7;
	typedef dk::Vector<7> coords7;

	using boost::counting_iterator;

	std::vector<int> data(counting_iterator<int>(0), counting_iterator<int>(100000));
	dk::PixelConvSquare<7> pixconv(coords7(16));

	{
		const coords7 max_coords(99, 999, 2, 2, 2, 2, 2);
		tileit7 it(&data, pixconv, max_coords);

		for (std::size_t z = 0; z < data.size() - 1; ++z) {
			EXPECT_EQ(data[z], it->data());
			++it;
		}

		EXPECT_EQ(data[data.size() - 1], it->data());
		EXPECT_EQ(coords7(99, 999, 0, 0, 0, 0, 0), it->block_position());
	}
}