| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 44 of 146 | 70% | 24 of 54 | 56% | 26 | 31 | 1 | 5 | 3 | 4 |
| notOperationToCeylon(Tree.NotOp, Callable) | | 84% | | 56% | 23 | 28 | 0 | 4 | 0 | 1 |
| notOperationToCeylon$update(Tree.NotOp) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| notOperationToCeylon(Tree.NotOp) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| notOperationToCeylon_() | | 0% | n/a | 1 | 1 | 0 | 0 | 1 | 1 |