| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 98 of 179 | 45% | 15 of 24 | 37% | 14 | 21 | 20 | 39 | 4 | 9 |
| calculate(String) | | 0% | | 0% | 3 | 3 | 5 | 5 | 1 | 1 |
| toCheckDigit(int) | | 0% | | 0% | 3 | 3 | 3 | 3 | 1 | 1 |
| sumDigits(int) | | 0% | | 0% | 2 | 2 | 6 | 6 | 1 | 1 |
| toInt(char, int, int) | | 25% | | 50% | 1 | 2 | 1 | 3 | 0 | 1 |
| calculateModulus(String, boolean) | | 89% | | 66% | 2 | 4 | 1 | 10 | 0 | 1 |
| isValid(String) | | 76% | | 66% | 2 | 4 | 3 | 6 | 0 | 1 |
| getModulus() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| ModulusCheckDigit(int) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| ModulusCheckDigit() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |