| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 4 of 4 | 0% | 0 of 0 | n/a | 2 | 2 | 2 | 2 | 2 | 2 |
| TestChainErrors.ConsumeReduce() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| reduce(LongWritable, Iterable, Reducer.Context) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |