| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 77 of 151 | 49% | 9 of 24 | 62% | 12 | 16 | 1 | 7 | 3 | 4 |
| intersectionOperationToCeylon(Tree.IntersectionOp, Callable) | | 59% | | 62% | 9 | 13 | 0 | 6 | 0 | 1 |
| intersectionOperationToCeylon$update(Tree.IntersectionOp) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| intersectionOperationToCeylon(Tree.IntersectionOp) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| intersectionOperationToCeylon_() | | 0% | n/a | 1 | 1 | 0 | 0 | 1 | 1 |