public function testCollection()
{
$collection = new Collection();
$this->assertEquals(0, $collection->count());
$this->assertEquals(array(), $collection->toArray());
$a = new Pet();
$collection->push($a);
$this->assertEquals(1, $collection->count());
$this->assertEquals(array(array('id' => 123, 'name' => 'myName')), $collection->toArray());
$this->assertInstanceOf('\\ArrayIterator', $collection->getIterator());
}
