| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 58 of 58 | 0% | 4 of 4 | 0% | 7 | 7 | 16 | 16 | 5 | 5 |
| IOOptions(Ruby, String) | | 0% | | 0% | 3 | 3 | 9 | 9 | 1 | 1 |
| toString() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| IOOptions(ModeFlags) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| setModeFlags(ModeFlags) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| getModeFlags() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |