public function testSerializeUnserialize()
{
$ar = new ArrayObject();
$ar->foo = 'bar';
$ar['bar'] = 'foo';
$serialized = $ar->serialize();
$ar = new ArrayObject();
$ar->unserialize($serialized);
$this->assertSame('bar', $ar->foo);
$this->assertSame('foo', $ar['bar']);
}
