| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 334 of 717 | 53% | 29 of 58 | 50% | 34 | 83 | 66 | 156 | 15 | 51 | 3 | 14 |
| GroupMaker.java | | 32% | | 28% | 18 | 32 | 34 | 55 | 8 | 18 | 1 | 4 |
| AggregationSpecification.java | | 51% | | 25% | 15 | 33 | 31 | 66 | 6 | 24 | 2 | 8 |
| GroupingState.java | | 97% | | 100% | 1 | 18 | 1 | 35 | 1 | 9 | 0 | 2 |