| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 19 of 32 | 40 % | 4 of 6 | 33 % | 5 | 7 | 6 | 10 | 2 | 4 |
| PositiveLength(String) | | 0 % | | 0 % | 2 | 2 | 4 | 4 | 1 | 1 |
| valueOf(String) | | 0 % | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| isValid(String) | | 81 % | | 50 % | 2 | 3 | 1 | 3 | 0 | 1 |
| static {...} | | 100 % | n/a | 0 | 1 | 0 | 2 | 0 | 1 |