/**
* @param array $sudoku
*/
private function initBoxes(array $sudoku)
{
for ($i = 0; $i < 9; $i = $i + 3) {
for ($j = 0; $j < 9; $j = $j + 3) {
$extractedBox = $this->arrayHelper->extract($sudoku, $i, $j, 3, 3);
$this->boxes[] = $this->boxFactory->build($extractedBox);
}
}
}
public function testExtractColumn()
{
$expected = array(array(1), array(4), array(7));
$extracted = $this->helper->extract($this->getMatrix(3, 3), 0, 0, 3, 1);
$this->assertEquals($expected, $extracted);
}
