/**
* @param InputInterface $input
* @param OutputInterface $output
* @return int|null|void
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
if (null !== ($filename = $input->getOption('file'))) {
if (file_exists($filename)) {
$instructions = file_get_contents($filename);
} else {
$output->writeln('Unable to open file. Please check the path and make sure the file exists.');
return;
}
} elseif (null === ($instructions = $input->getOption('string'))) {
$output->writeln('Please provide either a string or a file using --string="xxx" or --file="/path/to/file"');
return;
}
$output->writeln('DAY 1 - Puzzle 1');
$output->writeln('Result: ' . Day1::calculateFloor($instructions));
$output->writeln('DAY 1 - Puzzle 2');
$output->writeln('Result: ' . Day1::calculateBasementEntry($instructions));
}
/**
* @dataProvider calculateBasementEntryInputProvider
*/
public function testCalculateBasementEntry($input, $expected)
{
$this->assertEquals($expected, Day1::calculateBasementEntry($input));
}