| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 89 of 89 | 0% | 4 of 4 | 0% | 6 | 6 | 28 | 28 | 4 | 4 |
| reduce(LongWritable, Iterator, OutputCollector, Reporter) | | 0% | | 0% | 3 | 3 | 11 | 11 | 1 | 1 |
| configure(JobConf) | | 0% | n/a | 1 | 1 | 7 | 7 | 1 | 1 | |
| close() | | 0% | n/a | 1 | 1 | 5 | 5 | 1 | 1 | |
| TestChainMapReduce.IDReduce(String, String) | | 0% | n/a | 1 | 1 | 5 | 5 | 1 | 1 |