| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 5 of 6 | 16% | 0 of 0 | n/a | 2 | 3 | 2 | 3 | 2 | 3 |
| getObserverName() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| onRemoved(MaterialSubject) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| onAdded(MaterialSubject) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |