| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 92 of 92 | 0% | 10 of 10 | 0% | 9 | 9 | 14 | 14 | 4 | 4 |
| doIO(Reporter, String, long) | | 0% | | 0% | 5 | 5 | 10 | 10 | 1 | 1 |
| getIOStream(String) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| static {...} | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| TestDFSIO.TruncateMapper() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |