| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 281 of 281 | 0% | 8 of 8 | 0% | 12 | 12 | 56 | 56 | 8 | 8 |
| nextRawKey(DataInputBuffer) | | 0% | | 0% | 3 | 3 | 13 | 13 | 1 | 1 |
| nextRawValue(DataInputBuffer) | | 0% | | 0% | 2 | 2 | 13 | 13 | 1 | 1 |
| dumpOnError() | | 0% | n/a | 1 | 1 | 9 | 9 | 1 | 1 | |
| InMemoryReader(MergeManagerImpl, TaskAttemptID, byte[], int, int, Configuration) | | 0% | n/a | 1 | 1 | 10 | 10 | 1 | 1 | |
| reset(int) | | 0% | n/a | 1 | 1 | 4 | 4 | 1 | 1 | |
| close() | | 0% | | 0% | 2 | 2 | 5 | 5 | 1 | 1 |
| getPosition() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getLength() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |