/**
* @return Decision[]
*/
public function getDecisions() : array
{
if ($this->win($this->turn) || $this->lose($this->turn)) {
return [];
}
$decisions = [];
foreach ($this->board as $row => $rowValues) {
foreach ($rowValues as $col => $fieldValue) {
if ($fieldValue->equals(Player::NONE())) {
$decisions[] = new Decision($row, $col);
}
}
}
return $decisions;
}
public function testExceptionWhenNoMovesLeft()
{
$O = Player::O();
$state = new GameState();
// OXX
// XOO
// XOX
$state->fillField(2, 0);
// X
$state->fillField(0, 0);
// O
$state->fillField(0, 2);
// X
$state->fillField(1, 1);
// O
$state->fillField(0, 1);
// X
$state->fillField(2, 1);
// O
$state->fillField(2, 2);
// X
$state->fillField(1, 2);
// O
$state->fillField(1, 0);
// X
$engine = new Engine($O);
$this->expectException(RuntimeException::class);
$engine->decide($state);
}