| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 320 of 912 | 64% | 10 of 38 | 73% | 40 | 94 | 70 | 184 | 31 | 75 | 0 | 6 |
| ForEachCombinator | | 24% | | 25% | 14 | 17 | 21 | 28 | 12 | 15 | 0 | 1 |
| MergeCombinator | | 26% | | 50% | 13 | 15 | 19 | 25 | 11 | 13 | 0 | 1 |
| StateCombinator | | 79% | | 78% | 5 | 22 | 12 | 50 | 2 | 15 | 0 | 1 |
| CombineCombinator | | 81% | | 91% | 4 | 25 | 12 | 51 | 3 | 19 | 0 | 1 |
| UnionCombinator | | 77% | | 75% | 4 | 14 | 6 | 24 | 3 | 12 | 0 | 1 |
| ForEachCombinator.new HashSet() {...} | | 100% | n/a | 0 | 1 | 0 | 7 | 0 | 1 | 0 | 1 |