public function testLines()
{
$input = new Input("____\n____\n____\n____");
$this->assertEquals(1, $input->getLine(0));
$this->assertEquals(1, $input->getLine(1));
$this->assertEquals(1, $input->getLine(2));
$this->assertEquals(1, $input->getLine(3));
$this->assertEquals(1, $input->getLine(4));
// 4th character is the newline itself
$this->assertEquals(2, $input->getLine(5));
$this->assertEquals(2, $input->getLine(6));
$this->assertEquals(2, $input->getLine(7));
$this->assertEquals(2, $input->getLine(8));
$this->assertEquals(2, $input->getLine(9));
// The second newline
$this->assertEquals(3, $input->getLine(10));
$this->assertEquals(3, $input->getLine(11));
$this->assertEquals(3, $input->getLine(12));
$this->assertEquals(3, $input->getLine(13));
$this->assertEquals(3, $input->getLine(14));
$this->assertEquals(4, $input->getLine(15));
$this->assertEquals(4, $input->getLine(16));
$this->assertEquals(4, $input->getLine(17));
$this->assertEquals(4, $input->getLine(18));
$this->assertEquals(4, $input->getLine(19));
}
