public function testSlicing()
{
$str = new Text('let it go');
// $this->assertEquals('let', $str->slice(0, 3));
// $this->assertEquals('it', $str->slice(4, 2));
// $this->assertEquals(new Text(''), $str->slice(5, 0));
// $this->assertEquals('it go', $str->slice(4));
// TODO: Negative values for slice - what behavior should it be?
$this->assertEquals('it go', $str->subString(4));
$this->assertEquals('let', $str->subString(0, 3));
$this->assertEquals('it', $str->subString(4, 6));
$this->assertEquals('et it g', $str->subString(1, -1));
$this->assertEquals('g', $str->subString(7, -1));
}
