| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 38 of 76 | 50% | 5 of 8 | 37% | 5 | 8 | 10 | 18 | 1 | 4 |
| doRollup(AggregateFunction, Expression, Pair, Map) | | 0% | n/a | 1 | 1 | 8 | 8 | 1 | 1 | |
| canRollup(AggregateFunction, Expression, Pair, Map) | | 81% | | 37% | 4 | 5 | 2 | 8 | 0 | 1 |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| SingleCombinatorRollupHandler() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |