| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 704 of 845 | 16% | 27 of 30 | 10% | 71 | 86 | 149 | 180 | 57 | 71 | 4 | 6 |
| StateCombinator | | 0% | | 0% | 18 | 18 | 48 | 48 | 13 | 13 | 1 | 1 |
| CombineCombinator | | 0% | | 0% | 21 | 21 | 49 | 49 | 17 | 17 | 1 | 1 |
| MergeCombinator | | 0% | | 0% | 15 | 15 | 25 | 25 | 13 | 13 | 1 | 1 |
| UnionCombinator | | 0% | | 0% | 14 | 14 | 24 | 24 | 12 | 12 | 1 | 1 |
| ForEachCombinator | | 86% | | 75% | 3 | 17 | 3 | 28 | 2 | 15 | 0 | 1 |
| ForEachCombinator.new HashSet() {...} | | 100% | n/a | 0 | 1 | 0 | 7 | 0 | 1 | 0 | 1 |