| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 96 of 357 | 73% | 19 of 50 | 62% | 16 | 34 | 13 | 72 | 0 | 9 |
| initChannelTypes() | | 80% | | 71% | 5 | 13 | 0 | 21 | 0 | 1 |
| dup() | | 48% | | 50% | 1 | 2 | 5 | 7 | 0 | 1 |
| dup2From(POSIX, ChannelFD) | | 45% | | 50% | 3 | 4 | 7 | 9 | 0 | 1 |
| finish(boolean) | | 74% | | 62% | 3 | 5 | 1 | 14 | 0 | 1 |
| ChannelFD(Channel, POSIX, FilenoUtil) | | 86% | | 25% | 2 | 3 | 0 | 12 | 0 | 1 |
| bestFileno() | | 70% | | 50% | 1 | 2 | 0 | 1 | 0 | 1 |
| static {...} | | 88% | | 50% | 1 | 2 | 0 | 1 | 0 | 1 |
| initFileno() | | 100% | | 100% | 0 | 2 | 0 | 5 | 0 | 1 |
| close() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |