add: char piece[piece_size];  {
context: int test_main(){	const int piece_size = 16;	const int half = piece_size / 2;	torrent_info info;	info.set_piece_size(piece_size);	info.add_file("temp_storage/test1.tmp", 17);	info.add_file("temp_storage/test2.tmp", 613);	char piece0[piece_size] =	{ 6, 6, 6, 6, 6, 6, 6, 6	, 9, 9, 9, 9, 9, 9, 9, 9};	char piece1[piece_size] =	{ 0, 0, 0, 0, 0, 0, 0, 0	, 1, 1, 1, 1, 1, 1, 1, 1};	char piece2[piece_size] =	{ 0, 0, 1, 0, 0, 0, 0, 0	, 1, 1, 1, 1, 1, 1, 1, 1};	info.set_hash(0, hasher(piece0, piece_size).final());	info.set_hash(1, hasher(piece1, piece_size).final());	info.set_hash(2, hasher(piece2, piece_size).final());		info.create_torrent();	create_directory(initial_path() / "temp_storage");	int num_pieces = (613 + 17 + piece_size - 1) / piece_size;	TEST_CHECK(info.num_pieces() == num_pieces);		storage s(info, initial_path());	// write piece 1 (in slot 0)	s.write(piece1, 0, 0, half);	s.write(piece1 + half, 0, half, half);	// verify piece 1	char piece[piece_size];	s.read(piece, 0, 0, piece_size);	TEST_CHECK(std::equal(piece, piece + piece_size, piece1));		// do the same with piece 0 and 2 (in slot 1 and 2)	s.write(piece0, 1, 0, piece_size);	s.write(piece2, 2, 0, piece_size);	// verify piece 0 and 2	s.read(piece, 1, 0, piece_size);	TEST_CHECK(std::equal(piece, piece + piece_size, piece0));	s.read(piece, 2, 0, piece_size);	TEST_CHECK(std::equal(piece, piece + piece_size, piece2));		// make sure the files have the correct size	TEST_CHECK(file_size(initial_path() / "temp_storage" / "test1.tmp") == 17);	TEST_CHECK(file_size(initial_path() / "temp_storage" / "test2.tmp") == 31);	// make sure the piece_manager can identify the pieces	piece_manager pm(info, initial_path());	boost::mutex lock;	libtorrent::detail::piece_checker_data d;	std::vector<bool> pieces;	pm.check_pieces(lock, d, pieces, true);	pm.read(piece, 0, 0, piece_size);	TEST_CHECK(std::equal(piece, piece + piece_size, piece0));	pm.read(piece, 1, 0, piece_size);	TEST_CHECK(std::equal(piece, piece + piece_size, piece1));	pm.read(piece, 2, 0, piece_size);	TEST_CHECK(std::equal(piece, piece + piece_size, piece2));		return 0;}