| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 209 of 307 | 32% | 107 of 128 | 16% | 66 | 68 | 1 | 7 | 3 | 4 |
| orAssignmentOperationToCeylon(Tree.OrAssignOp, Callable) | | 35% | | 16% | 63 | 65 | 0 | 6 | 0 | 1 |
| orAssignmentOperationToCeylon$update(Tree.OrAssignOp) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| orAssignmentOperationToCeylon(Tree.OrAssignOp) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| orAssignmentOperationToCeylon_() | | 0% | n/a | 1 | 1 | 0 | 0 | 1 | 1 |