| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 73 of 578 | 87% | 14 of 56 | 75% | 11 | 40 | 10 | 100 | 0 | 12 |
| loadLeapSeconds() | | 47% | | 45% | 8 | 11 | 8 | 27 | 0 | 1 |
| register(long, int) | | 96% | | 91% | 1 | 7 | 1 | 20 | 0 | 1 |
| loadLeapSeconds(URL) | | 96% | | 80% | 2 | 6 | 1 | 22 | 0 | 1 |
| convertToUtc(TaiInstant) | | 100% | | 100% | 0 | 5 | 0 | 14 | 0 | 1 |
| getTaiOffset(long) | | 100% | | 100% | 0 | 3 | 0 | 4 | 0 | 1 |
| getLeapSecondAdjustment(long) | | 100% | | 100% | 0 | 2 | 0 | 3 | 0 | 1 |
| tai(long, int) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getLeapSecondDates() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| SystemUtcRules() | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| readResolve() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getName() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |