/**
* Returns symbol of winner in case we have a winner
* @return null|string
*/
public function getWinner()
{
$winner = null;
$tableHelper = new TableHelper($this->table);
$result = [];
foreach ([0, 1, 2] as $row) {
$result[] = $tableHelper->getRow($row);
$result[] = $tableHelper->getColumn($row);
}
$result[] = $tableHelper->getCross();
$result[] = $tableHelper->getCross(true);
foreach ($result as $case) {
if ($case[0] !== null && count(array_unique($case)) == 1) {
$winner = $case[0];
return $winner;
}
}
return $winner;
}
/**
* Test if we are able to get correct row
* @dataProvider getTestGetRowData()
* @param array $table
* @param int $row
* @param array $expected
*/
public function testGetRow($table, $row, $expected)
{
$utility = new TableHelper($table);
$this->assertEquals($utility->getRow($row), $expected);
}
