| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 110 of 110 | 0% | 10 of 10 | 0% | 8 | 8 | 18 | 18 | 3 | 3 |
| doIO(Reporter, String, long) | | 0% | | 0% | 3 | 3 | 6 | 6 | 1 | 1 |
| getIOStream(String) | | 0% | | 0% | 3 | 3 | 8 | 8 | 1 | 1 |
| TestDFSIO.WriteMapper() | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |