| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 88 of 163 | 46% | 6 of 20 | 70% | 9 | 14 | 2 | 11 | 3 | 4 |
| requiredParameterToCeylon(Tree.Parameter, Callable) | | 54% | | 70% | 6 | 11 | 1 | 10 | 0 | 1 |
| requiredParameterToCeylon$update(Tree.Parameter) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| requiredParameterToCeylon(Tree.Parameter) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| requiredParameterToCeylon_() | | 0% | n/a | 1 | 1 | 0 | 0 | 1 | 1 |