| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 41 of 41 | 0% | 4 of 4 | 0% | 5 | 5 | 15 | 15 | 3 | 3 |
| map(WritableComparable, Writable, Mapper.Context) | | 0% | | 0% | 3 | 3 | 12 | 12 | 1 | 1 |
| setup(Mapper.Context) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| ValueAggregatorMapper() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |