| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 260 of 1,075 | 75% | 11 of 52 | 78% | 35 | 112 | 54 | 217 | 25 | 86 | 0 | 7 |
| ForEachCombinator.java | | 38% | | 25% | 14 | 18 | 21 | 36 | 12 | 16 | 0 | 2 |
| MergeCombinator.java | | 47% | | 50% | 10 | 15 | 13 | 25 | 8 | 13 | 0 | 1 |
| StateCombinator.java | | 81% | | 81% | 5 | 24 | 12 | 54 | 2 | 16 | 0 | 1 |
| UnionCombinator.java | | 80% | | 75% | 3 | 14 | 5 | 24 | 2 | 12 | 0 | 1 |
| CombineCombinator.java | | 95% | | 92% | 1 | 27 | 2 | 55 | 0 | 20 | 0 | 1 |
| FinalizeCombinator.java | | 97% | | 90% | 2 | 14 | 1 | 23 | 1 | 9 | 0 | 1 |