public function testIsShortening()
{
$string = new String('Lorem ipsum dolor sit amet nepet quisquam');
$result = $string->shorten(10);
$this->assertInstanceOf('Simple\\Type\\String', $result);
$this->assertEquals('Lorem ipsu', $result->toString());
$result = $string->shorten(10, true);
$this->assertInstanceOf('Simple\\Type\\String', $result);
$this->assertEquals('Lorem', $result->toString());
$string = new String('Lorem ipsum Dolor');
$result = $string->shorten(3, true);
$this->assertInstanceOf('Simple\\Type\\String', $result);
$this->assertEquals('', $result->toString());
$string = new String('Lorem ipsum Dolor');
$result = $string->shorten(6, true);
$this->assertInstanceOf('Simple\\Type\\String', $result);
$this->assertEquals('Lorem', $result->toString());
}