/**
* @param array $params
* @throws InvalidArgumentException
* @throws TooFewArgumentsException
*/
private function createCanvas(array $params)
{
if (count($params) < 2) {
throw new TooFewArgumentsException();
}
if (!DrawingCommand::positiveNaturalArguments($params, 2)) {
throw new InvalidArgumentException();
}
$this->canvas = new Canvas($params[0], $params[1]);
}
/**
* @dataProvider argumentDataProvider
*/
public function test_it_correctly_verifies_whether_arguments_are_positive_natural_numbers($args, $count, $expected)
{
$result = DrawingCommand::positiveNaturalArguments($args, $count);
$this->assertEquals($expected, $result);
}