| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 27 of 27 | 0% | 4 of 4 | 0% | 4 | 4 | 7 | 7 | 2 | 2 |
| reduce(LongWritable, Iterable, Reducer.Context) | | 0% | | 0% | 3 | 3 | 6 | 6 | 1 | 1 |
| TestMapReduceLazyOutput.TestReducer() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |