void
fen_book_get_move(const struct book *book,
const struct position *position,
size_t size,
move m[size])
{
char fen[FEN_BUFFER_LENGTH];
const char **entry;
const char *str;
m[0] = 0;
if (book == NULL || position == NULL) {
return;
}
(void) position_print_fen(position, fen, 0, white);
entry = bsearch(fen, book->fen_book.entries,
book->fen_book.count,
sizeof book->fen_book.entries[0],
cmp_entry_key);
if (entry == NULL) {
(void) position_print_fen(position, fen, 0, black);
entry = bsearch(fen, book->fen_book.entries,
book->fen_book.count,
sizeof book->fen_book.entries[0],
cmp_entry_key);
if (entry == NULL) {
return;
}
}
str = position_read_fen(NULL, *entry, NULL, NULL);
while ((size > 0) && ((str = next_token(str)) != NULL)) {
fen_read_move(*entry, str, m);
++m;
--size;
}
*m = 0;
}
static void
test_move_str(void)
{
struct position pos;
enum player turn;
int ep_index;
char str[1024];
const char *end;
move m;
end = position_read_fen(&pos, positions[0].FEN, &ep_index, &turn);
assert(end != NULL);
assert(ep_index == 0);
assert(turn == black);
assert(end == (positions[0].FEN + strlen(positions[0].FEN)));
end = position_print_fen(&pos, str, 0, black);
assert(strcmp(str, positions[0].FEN) == 0);
assert(end == (str + strlen(positions[0].FEN)));
assert(read_move(&pos, "h8h7", &m, black) == 0);
assert(m == create_move_g(sq_h1, sq_h2, king, 0, false));
print_move(&pos, m, str, mn_coordinate, black);
assert(strcmp(str, "h8h7") == 0);
assert(read_move(&pos, "h8g8", &m, black) == 0);
assert(m == create_move_g(sq_h1, sq_g1, king, 0, false));
print_move(&pos, m, str, mn_coordinate, black);
assert(strcmp(str, "h8g8") == 0);
assert(read_move(&pos, "b5b4", &m, black) == 0);
assert(m == create_move_g(sq_b4, sq_b5, pawn, 0, false));
print_move(&pos, m, str, mn_coordinate, black);
assert(strcmp(str, "b5b4") == 0);
assert(read_move(&pos, "b5a4", &m, black) == 0);
assert(m == create_move_g(sq_b4, sq_a5, pawn, pawn, false));
print_move(&pos, m, str, mn_coordinate, black);
assert(strcmp(str, "b5a4") == 0);
assert(read_move(&pos, "b5c4", &m, black) != 0);
assert(read_move(&pos, "Kh7", &m, black) == 0);
assert(m == create_move_g(sq_h1, sq_h2, king, 0, false));
print_move(&pos, m, str, mn_san, black);
assert(strcmp(str, "Kh7") == 0);
assert(read_move(&pos, "Kg8", &m, black) == 0);
assert(m == create_move_g(sq_h1, sq_g1, king, 0, false));
print_move(&pos, m, str, mn_san, black);
assert(strcmp(str, "Kg8") == 0);
assert(read_move(&pos, "b4", &m, black) == 0);
assert(m == create_move_g(sq_b4, sq_b5, pawn, 0, false));
print_move(&pos, m, str, mn_san, black);
assert(strcmp(str, "b4") == 0);
assert(read_move(&pos, "bxa4", &m, black) == 0);
assert(m == create_move_g(sq_b4, sq_a5, pawn, pawn, false));
print_move(&pos, m, str, mn_san, black);
assert(strcmp(str, "bxa4") == 0);
assert(read_move(&pos, "bxc4", &m, black) != 0);
assert(read_move(&pos, "o-o", &m, black) != 0);
assert(read_move(&pos, "o-o-o", &m, black) != 0);
end = position_read_fen(&pos, positions[1].FEN, &ep_index, &turn);
assert(end != NULL);
assert(ep_index == 0);
assert(turn == white);
assert(end == (positions[1].FEN + strlen(positions[1].FEN)));
end = position_print_fen(&pos, str, 0, white);
assert(strcmp(str, positions[1].FEN) == 0);
assert(end == (str + strlen(positions[1].FEN)));
assert(read_move(&pos, "o-o", &m, white) != 0);
assert(read_move(&pos, "o-o-o", &m, white) != 0);
end = position_read_fen(&pos, positions[2].FEN, &ep_index, &turn);
assert(end != NULL);
assert(ep_index == sq_d5);
assert(turn == white);
assert(end == (positions[2].FEN + strlen(positions[2].FEN)));
end = position_print_fen(&pos, str, sq_d5, white);
assert(strcmp(str, positions[2].FEN) == 0);
assert(end == (str + strlen(positions[2].FEN)));
assert(read_move(&pos, "o-o", &m, white) == 0);
assert(m == mcastle_king_side);
assert(read_move(&pos, "O-O", &m, white) == 0);
assert(m == mcastle_king_side);
print_move(&pos, m, str, mn_coordinate, white);
assert(strcmp(str, "e1g1") == 0);
print_move(&pos, m, str, mn_san, white);
assert(strcmp(str, "O-O") == 0);
assert(read_move(&pos, "o-o-o", &m, white) != 0);
assert(read_move(&pos, "e5d6", &m, white) == 0);
assert(m ==
create_move_t(sq_e5, sq_d6, mt_en_passant, pawn, pawn, false));
print_move(&pos, m, str, mn_coordinate, white);
assert(strcmp(str, "e5d6") == 0);
assert(read_move(&pos, "exd6", &m, white) == 0);
assert(m ==
create_move_t(sq_e5, sq_d6, mt_en_passant, pawn, pawn, false));
print_move(&pos, m, str, mn_san, white);
assert(strcmp(str, "exd6e.p.") == 0);
end = position_read_fen(&pos, positions[3].FEN, &ep_index, &turn);
assert(end != NULL);
assert(ep_index == 0);
assert(turn == white);
assert(end == (positions[3].FEN + strlen(positions[3].FEN)));
end = position_print_fen(&pos, str, 0, white);
assert(strcmp(str, positions[3].FEN) == 0);
assert(end == (str + strlen(positions[3].FEN)));
assert(read_move(&pos, "o-o", &m, white) == 0);
assert(m == mcastle_king_side_check);
assert(read_move(&pos, "O-O", &m, white) == 0);
assert(m == mcastle_king_side_check);
print_move(&pos, m, str, mn_coordinate, white);
assert(strcmp(str, "e1g1") == 0);
print_move(&pos, m, str, mn_san, white);
assert(strcmp(str, "O-O") == 0);
assert(read_move(&pos, "c1b2", &m, white) == 0);
assert(m == create_move_g(sq_c1, sq_b2, bishop, 0, true));
assert(read_move(&pos, "Bb2", &m, white) == 0);
assert(m == create_move_g(sq_c1, sq_b2, bishop, 0, true));
assert(read_move(&pos, "Bb2+", &m, white) == 0);
assert(m == create_move_g(sq_c1, sq_b2, bishop, 0, true));
print_move(&pos, m, str, mn_san, white);
assert(strcmp(str, "Bb2+") == 0);
end = position_read_fen(&pos, positions[4].FEN, &ep_index, &turn);
assert(end != NULL);
assert(ep_index == 0);
assert(turn == white);
assert(end == (positions[4].FEN + strlen(positions[4].FEN)));
end = position_print_fen(&pos, str, 0, white);
assert(strcmp(str, positions[4].FEN) == 0);
assert(end == (str + strlen(positions[4].FEN)));
assert(read_move(&pos, "c7b8q", &m, white) == 0);
assert(m ==
create_move_t(sq_c7, sq_b8, mt_promotion, queen, knight, false));
assert(read_move(&pos, "c7b8Q", &m, white) == 0);
assert(m ==
create_move_t(sq_c7, sq_b8, mt_promotion, queen, knight, false));
assert(read_move(&pos, "c7b8n", &m, white) == 0);
assert(m ==
create_move_t(sq_c7, sq_b8, mt_promotion, knight, knight, false));
assert(read_move(&pos, "c7b8r", &m, white) == 0);
assert(m ==
create_move_t(sq_c7, sq_b8, mt_promotion, rook, knight, false));
assert(read_move(&pos, "c7b8b", &m, white) == 0);
assert(m ==
create_move_t(sq_c7, sq_b8, mt_promotion, bishop, knight, false));
assert(read_move(&pos, "c7d8q", &m, white) == 0);
assert(m ==
create_move_t(sq_c7, sq_d8, mt_promotion, queen, queen, true));
assert(read_move(&pos, "c7d8Q", &m, white) == 0);
assert(m ==
create_move_t(sq_c7, sq_d8, mt_promotion, queen, queen, true));
assert(read_move(&pos, "cxd8=Q", &m, white) == 0);
assert(m ==
create_move_t(sq_c7, sq_d8, mt_promotion, queen, queen, true));
assert(read_move(&pos, "cxd8=Q+", &m, white) == 0);
assert(m ==
create_move_t(sq_c7, sq_d8, mt_promotion, queen, queen, true));
assert(read_move(&pos, "cxd8=R+", &m, white) == 0);
assert(m ==
create_move_t(sq_c7, sq_d8, mt_promotion, rook, queen, true));
end = position_read_fen(&pos,
"rnbqkbnr/ppppp2p/5p2/6p1/8/4P3/PPPP1PPP/RNBQKBNR w KQkq -",
NULL, NULL);
assert(end != NULL);
assert(read_move(&pos, "d1h5", &m, white) == 0);
assert(m == create_move_g(sq_d1, sq_h5, queen, 0, true));
assert(read_move(&pos, "Qh5", &m, white) == 0);
assert(m == create_move_g(sq_d1, sq_h5, queen, 0, true));
assert(read_move(&pos, "Qh5+", &m, white) == 0);
assert(m == create_move_g(sq_d1, sq_h5, queen, 0, true));
assert(read_move(&pos, "Qh5#", &m, white) == 0);
assert(m == create_move_g(sq_d1, sq_h5, queen, 0, true));
print_move(&pos, m, str, mn_san, white);
assert(strcmp(str, "Qh5#") == 0);
}