| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 8 of 100 | 92% | 2 of 10 | 80% | 3 | 14 | 2 | 17 | 1 | 9 |
| COSObjectKey(COSObject) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| equals(Object) | | 95% | | 66% | 2 | 4 | 0 | 2 | 0 | 1 |
| COSObjectKey(long, int) | | 100% | | 100% | 0 | 3 | 0 | 7 | 0 | 1 |
| toString() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getGeneration() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| compareTo(COSObjectKey) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getNumber() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| hashCode() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |