| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 67 of 120 | 44% | 15 of 24 | 38% | 12 | 14 | 1 | 5 | 1 | 2 |
| intersectionOperationToCeylon(Tree.IntersectionOp) | | 45% | | 38% | 11 | 13 | 0 | 4 | 0 | 1 |
| intersectionOperationToCeylon_() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |