| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 76 of 1,091 | 93% | 16 of 64 | 75% | 13 | 76 | 9 | 219 | 0 | 43 | 0 | 6 |
| Grouping | | 84% | | 46% | 11 | 28 | 7 | 61 | 0 | 15 | 0 | 1 |
| Grouping.GroupingBuilder | | 95% | | 92% | 2 | 36 | 2 | 87 | 0 | 22 | 0 | 1 |
| Grouping.new Object() {...} | | 88% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | |
| GroupingGroupCombine | | 100% | | 100% | 0 | 5 | 0 | 37 | 0 | 2 | 0 | 1 |
| GroupingGroupReduce | | 100% | | 100% | 0 | 5 | 0 | 30 | 0 | 2 | 0 | 1 |
| GroupingStrategy | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | 0 | 1 |