| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 187 of 276 | 32% | 108 of 128 | 16% | 65 | 66 | 1 | 5 | 1 | 2 |
| orAssignmentOperationToCeylon(Tree.OrAssignOp) | | 33% | | 16% | 64 | 65 | 0 | 4 | 0 | 1 |
| orAssignmentOperationToCeylon_() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |