public function testHasExtraProperties()
{
$p = new Parameter();
$this->assertEquals(array(), $p->getData());
$p->setData(array('foo' => 'bar'));
$this->assertEquals('bar', $p->getData('foo'));
$p->setData('baz', 'boo');
$this->assertEquals(array('foo' => 'bar', 'baz' => 'boo'), $p->getData());
}
