| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 63 of 126 | 50% | 13 of 14 | 7% | 9 | 14 | 18 | 36 | 2 | 7 |
| close() | | 0% | | 0% | 7 | 7 | 16 | 16 | 1 | 1 |
| checkOpen() | | 55% | | 50% | 1 | 2 | 1 | 3 | 0 | 1 |
| isOpen() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| FileSystemState(FileTimeSource, Runnable) | | 100% | n/a | 0 | 1 | 0 | 7 | 0 | 1 | |
| register(Closeable) | | 100% | n/a | 0 | 1 | 0 | 6 | 0 | 1 | |
| unregister(Closeable) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| now() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |