| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 38 of 799 | 95% | 10 of 94 | 89% | 8 | 64 | 5 | 134 | 1 | 17 |
| equals(Object) | | 17% | | 12% | 4 | 5 | 4 | 6 | 0 | 1 |
| hashCode() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| static {...} | | 100% | | 100% | 0 | 8 | 0 | 29 | 0 | 1 |
| duration(String) | | 100% | | 100% | 0 | 12 | 0 | 33 | 0 | 1 |
| compareTo(Duration) | | 100% | | 100% | 0 | 12 | 0 | 25 | 0 | 1 |
| merge(Duration) | | 100% | | 66% | 2 | 4 | 0 | 6 | 0 | 1 |
| parseTimeUnit(String) | | 100% | | 100% | 0 | 2 | 0 | 5 | 0 | 1 |
| Duration(Long, TimeUnit) | | 100% | | 100% | 0 | 2 | 0 | 5 | 0 | 1 |
| convertTo(TimeUnit) | | 100% | | 75% | 1 | 3 | 0 | 3 | 0 | 1 |
| toString() | | 100% | | 100% | 0 | 3 | 0 | 5 | 0 | 1 |
| duration(long, TimeUnit) | | 100% | | 100% | 0 | 2 | 0 | 3 | 0 | 1 |
| to(TimeUnit) | | 100% | | 100% | 0 | 2 | 0 | 3 | 0 | 1 |
| Duration() | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| isZero() | | 100% | | 100% | 0 | 2 | 0 | 1 | 0 | 1 |
| getUnit() | | 100% | | 100% | 0 | 2 | 0 | 3 | 0 | 1 |
| isUnlimited() | | 100% | | 100% | 0 | 2 | 0 | 1 | 0 | 1 |
| getValue() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |