| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 6 of 39 | 84% | 3 of 6 | 50% | 4 | 9 | 1 | 8 | 1 | 6 |
| asMapKey() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| equals(Object) | | 93% | | 50% | 3 | 4 | 0 | 2 | 0 | 1 |
| hashCode() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| YearMonthDurationItemImpl(Period) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| asPeriod() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getJavaTypeAdapter() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |