public function testOffsetGetWithAndWithoutSetValue()
{
$key = 'test';
$value = uniqid($key . ':');
$o = new ArrayModel();
$this->assertNull($o->offsetGet($key));
$o->offsetSet($key, $value);
$this->assertEquals($value, $o->offsetGet($key));
$this->assertEquals($value, $o[$key]);
}
