public function testArrayAccess()
{
$this->coll['keyOne'] = 'one';
$this->coll['keyTwo'] = 'two';
$this->assertEquals($this->coll['keyOne'], 'one');
$this->assertEquals($this->coll['keyTwo'], 'two');
unset($this->coll['keyOne']);
$this->assertEquals($this->coll->count(), 1);
$this->assertTrue(isset($this->coll['keyTwo']));
}