| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 0 of 29 | 100% | 0 of 2 | 100% | 0 | 4 | 0 | 8 | 0 | 3 |
| notifyChange() | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| ShapeObservable() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| addObserver(ShapeObserver) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |