| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 272 of 1,031 | 73% | 11 of 48 | 77% | 37 | 108 | 57 | 207 | 27 | 84 | 0 | 7 |
| ForEachCombinator.java | | 35% | | 25% | 14 | 18 | 21 | 34 | 12 | 16 | 0 | 2 |
| MergeCombinator.java | | 43% | | 50% | 11 | 15 | 14 | 25 | 9 | 13 | 0 | 1 |
| StateCombinator.java | | 79% | | 78% | 5 | 22 | 12 | 50 | 2 | 15 | 0 | 1 |
| UnionCombinator.java | | 80% | | 75% | 3 | 14 | 5 | 24 | 2 | 12 | 0 | 1 |
| CombineCombinator.java | | 92% | | 91% | 2 | 25 | 4 | 51 | 1 | 19 | 0 | 1 |
| FinalizeCombinator.java | | 97% | | 90% | 2 | 14 | 1 | 23 | 1 | 9 | 0 | 1 |