public function testGetLast()
{
$col = new Collection();
$this->assertNull($col->getLast(), 'getLast() returns null on an empty collection');
$data = array('bar1', 'bar2', 'bar3');
$col = new Collection($data);
$this->assertEquals('bar3', $col->getLast(), 'getLast() returns the last element');
$this->assertEquals('bar3', $col->getCurrent(), 'getLast() moves the internal pointer to the last element');
}
