| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 146 of 912 | 83% | 8 of 38 | 78% | 17 | 94 | 31 | 184 | 10 | 75 | 0 | 6 |
| CombineCombinator | | 68% | | 66% | 7 | 25 | 16 | 51 | 4 | 19 | 0 | 1 |
| StateCombinator | | 84% | | 92% | 3 | 22 | 10 | 50 | 2 | 15 | 0 | 1 |
| ForEachCombinator | | 86% | | 75% | 3 | 17 | 3 | 28 | 2 | 15 | 0 | 1 |
| MergeCombinator | | 95% | | 75% | 2 | 15 | 1 | 25 | 1 | 13 | 0 | 1 |
| UnionCombinator | | 95% | | 75% | 2 | 14 | 1 | 24 | 1 | 12 | 0 | 1 |
| ForEachCombinator.new HashSet() {...} | | 100% | n/a | 0 | 1 | 0 | 7 | 0 | 1 | 0 | 1 |