static int
coor_str_to_index(const char *str, enum player turn, jmp_buf jb)
{
if (!is_file(str[0]) || !is_rank(str[1])) longjmp(jb, 1);
return str_to_index(str, turn);
}
static void
test_chars(void)
{
assert(char_to_file('a') == file_a);
assert(char_to_file('b') == file_b);
assert(char_to_file('h') == file_h);
assert(char_to_file('A') == file_a);
assert(char_to_file('B') == file_b);
assert(char_to_file('H') == file_h);
assert(char_to_rank('1', white) == rank_1);
assert(char_to_rank('2', white) == rank_2);
assert(char_to_rank('3', white) == rank_3);
assert(char_to_rank('4', white) == rank_4);
assert(char_to_rank('5', white) == rank_5);
assert(char_to_rank('8', white) == rank_8);
assert(char_to_rank('1', black) == rank_8);
assert(char_to_rank('2', black) == rank_7);
assert(char_to_rank('3', black) == rank_6);
assert(char_to_rank('4', black) == rank_5);
assert(char_to_rank('5', black) == rank_4);
assert(char_to_rank('8', black) == rank_1);
assert(index_to_file_ch(0) == 'h');
assert(index_to_file_ch(1) == 'g');
assert(index_to_file_ch(7) == 'a');
assert(index_to_file_ch(63) == 'a');
assert(index_to_rank_ch(0, white) == '8');
assert(index_to_rank_ch(1, white) == '8');
assert(index_to_rank_ch(8 + 7, white) == '7');
assert(index_to_rank_ch(63, white) == '1');
assert(index_to_rank_ch(0, black) == '1');
assert(index_to_rank_ch(1, black) == '1');
assert(index_to_rank_ch(8 + 7, black) == '2');
assert(index_to_rank_ch(63, black) == '8');
assert(piece_to_char(queen) == 'q');
assert(square_to_char(queen, white) == 'Q');
assert(square_to_char(queen, black) == 'q');
assert(is_file('f'));
assert(is_file('F'));
assert(!is_file('4'));
assert(!is_file('i'));
assert(!is_file(' '));
assert(is_rank('1'));
assert(is_rank('6'));
assert(!is_rank('9'));
assert(!is_rank('0'));
assert(!is_rank('a'));
assert(!is_rank(' '));
}
