| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 10 of 126 | 92% | 7 of 20 | 65% | 7 | 15 | 3 | 33 | 0 | 5 |
| computeNext() | | 83% | | 70% | 3 | 6 | 3 | 14 | 0 | 1 |
| getBytesRead() | | 100% | | 66% | 2 | 4 | 0 | 5 | 0 | 1 |
| KeyIterator(KeyReader, IPartitioner, long, ReadWriteLock) | | 100% | n/a | 0 | 1 | 0 | 7 | 0 | 1 | |
| close() | | 100% | | 50% | 2 | 3 | 0 | 6 | 0 | 1 |
| getTotalBytes() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |