| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 188 of 188 | 0% | 20 of 20 | 0% | 22 | 22 | 35 | 35 | 12 | 12 |
| convertToISBN13(String) | | 0% | | 0% | 3 | 3 | 11 | 11 | 1 | 1 |
| ISBNValidator(boolean) | | 0% | n/a | 1 | 1 | 5 | 5 | 1 | 1 | |
| validate(String) | | 0% | | 0% | 4 | 4 | 6 | 6 | 1 | 1 |
| isValid(String) | | 0% | | 0% | 3 | 3 | 1 | 1 | 1 | 1 |
| validateISBN10(String) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| validateISBN13(String) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| static {...} | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| getInstance(boolean) | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| isValidISBN10(String) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| isValidISBN13(String) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| ISBNValidator() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| getInstance() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |