| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 0 of 73 | 100% | 0 of 8 | 100% | 0 | 10 | 0 | 20 | 0 | 6 |
| notifyShapeAdded(Shape) | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| notifyShapeRemoved(Shape) | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| notifyShapeModified(Shape) | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| addObserver(ShapeObserver) | | 100% | | 100% | 0 | 2 | 0 | 3 | 0 | 1 |
| ShapeSubject() | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| removeObserver(ShapeObserver) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |