| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 35 of 125 | 72% | 11 of 24 | 54% | 10 | 19 | 5 | 28 | 0 | 7 |
| compareTo(MergeIterator.Candidate) | | 69% | | 50% | 4 | 6 | 1 | 5 | 0 | 1 |
| consume(MergeIterator.Reducer) | | 65% | | 50% | 1 | 2 | 2 | 6 | 0 | 1 |
| advance() | | 72% | | 75% | 1 | 3 | 2 | 7 | 0 | 1 |
| isLowerBound() | | 64% | | 50% | 2 | 3 | 0 | 2 | 0 | 1 |
| MergeIterator.Candidate(int, Iterator, Comparator) | | 81% | | 50% | 1 | 2 | 0 | 6 | 0 | 1 |
| needsAdvance() | | 85% | | 50% | 1 | 2 | 0 | 1 | 0 | 1 |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |