| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 573 of 948 | 39% | 33 of 42 | 21% | 58 | 98 | 114 | 192 | 40 | 77 | 2 | 6 |
| StateCombinator | | 0% | | 0% | 24 | 24 | 54 | 54 | 16 | 16 | 1 | 1 |
| CombineCombinator | | 0% | | 0% | 27 | 27 | 55 | 55 | 20 | 20 | 1 | 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 |