| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 18 of 18 | 0% | 2 of 2 | 0% | 4 | 4 | 7 | 7 | 3 | 3 |
| close() | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| setClosedSet(Set) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| TestFileSystem.TestShutdownFileSystem() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |