| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 36 of 76 | 52% | 4 of 8 | 50% | 4 | 8 | 9 | 18 | 1 | 4 |
| doRollup(AggregateFunction, Expression, Pair, Map) | | 0% | n/a | 1 | 1 | 8 | 8 | 1 | 1 | |
| canRollup(AggregateFunction, Expression, Pair, Map) | | 86% | | 50% | 3 | 5 | 1 | 8 | 0 | 1 |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| SingleCombinatorRollupHandler() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |