| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 105 of 415 | 74% | 20 of 52 | 61% | 13 | 33 | 22 | 83 | 0 | 7 |
| replaceAndSink(MergeIterator.Candidate, int) | | 56% | | 47% | 11 | 18 | 22 | 47 | 0 | 1 |
| consume() | | 94% | | 87% | 1 | 5 | 0 | 14 | 0 | 1 |
| MergeIterator.ManyToOne(List, Comparator, MergeIterator.Reducer) | | 100% | | 100% | 0 | 2 | 0 | 9 | 0 | 1 |
| consumeHeap(int) | | 100% | | 100% | 0 | 3 | 0 | 5 | 0 | 1 |
| advance() | | 100% | | 75% | 1 | 3 | 0 | 5 | 0 | 1 |
| computeNext() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| static {...} | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |