| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 16 of 420 | 96% | 2 of 44 | 95% | 3 | 33 | 4 | 105 | 1 | 11 |
| singletonSet(Object) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| put(Object[], Object) | | 96% | | 90% | 1 | 6 | 0 | 23 | 0 | 1 |
| removeKey(Object[], Object) | | 94% | | 50% | 1 | 2 | 1 | 7 | 0 | 1 |
| combine(BinaryOperator, Object[], Object[]) | | 100% | | 100% | 0 | 13 | 0 | 50 | 0 | 1 |
| find(Object[], Object) | | 100% | | 100% | 0 | 4 | 0 | 12 | 0 | 1 |
| get(Object[], Object) | | 100% | | 100% | 0 | 2 | 0 | 2 | 0 | 1 |
| KeySetFactory(Comparator) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| getKeys(Object[]) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| keyComparator() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| emptySet() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| static {...} | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |