public function testMethods()
{
$dummy = array('foo' => 'bar');
$dataHolder = new DataHolder();
$dataHolder->setData($dummy);
$this->assertTrue($dataHolder->has('foo'));
$this->assertEquals('bar', $dataHolder->get('foo'));
$dataHolder->set('bar', 'foo');
$this->assertTrue($dataHolder->has('bar'));
$this->assertInstanceOf('ArrayObject', $dataHolder->getData());
$this->assertEquals('foo', $dataHolder->getData()->offsetGet('bar'));
$data = $dataHolder->getData();
$this->assertEquals('foo', $data['bar']);
}
