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'); }