| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 167 of 948 | 82% | 8 of 42 | 80% | 19 | 98 | 36 | 192 | 12 | 77 | 0 | 6 |
| CombineCombinator | | 70% | | 71% | 7 | 27 | 16 | 55 | 4 | 20 | 0 | 1 |
| StateCombinator | | 85% | | 93% | 3 | 24 | 10 | 54 | 2 | 16 | 0 | 1 |
| UnionCombinator | | 80% | | 75% | 3 | 14 | 5 | 24 | 2 | 12 | 0 | 1 |
| ForEachCombinator | | 86% | | 75% | 3 | 17 | 3 | 28 | 2 | 15 | 0 | 1 |
| MergeCombinator | | 94% | | 75% | 3 | 15 | 2 | 25 | 2 | 13 | 0 | 1 |
| ForEachCombinator.new HashSet() {...} | | 100% | n/a | 0 | 1 | 0 | 7 | 0 | 1 | 0 | 1 |