| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 108 of 108 | 0% | 4 of 4 | 0% | 9 | 9 | 20 | 20 | 7 | 7 |
| nextKeyValue() | | 0% | | 0% | 3 | 3 | 7 | 7 | 1 | 1 |
| {...} | | 0% | n/a | 1 | 1 | 6 | 6 | 1 | 1 | |
| getProgress() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| close() | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| getCurrentKey() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getCurrentValue() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| initialize(InputSplit, TaskAttemptContext) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |