| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 11 of 61 | 81% | 5 of 12 | 58% | 5 | 10 | 3 | 19 | 0 | 4 |
| release() | | 70% | | 50% | 1 | 2 | 1 | 5 | 0 | 1 |
| retain() | | 66% | | 50% | 1 | 2 | 1 | 4 | 0 | 1 |
| retire(Runnable) | | 92% | | 50% | 1 | 2 | 1 | 6 | 0 | 1 |
| maybeCleanup() | | 100% | | 66% | 2 | 4 | 0 | 4 | 0 | 1 |