| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 21 of 172 | 87 % | 6 of 32 | 81 % | 5 | 31 | 5 | 50 | 1 | 15 |
| divide(Natural) | | 0 % | | 0 % | 3 | 3 | 4 | 4 | 1 | 1 |
| Natural(Integer) | | 80 % | | 75 % | 1 | 3 | 1 | 7 | 0 | 1 |
| equals(Object) | | 100 % | | 100 % | 0 | 5 | 0 | 7 | 0 | 1 |
| compareTo(Natural) | | 100 % | | 100 % | 0 | 4 | 0 | 7 | 0 | 1 |
| substract(Natural) | | 100 % | | 75 % | 1 | 3 | 0 | 4 | 0 | 1 |
| add(Natural) | | 100 % | | 100 % | 0 | 2 | 0 | 4 | 0 | 1 |
| Natural(int) | | 100 % | | 100 % | 0 | 2 | 0 | 5 | 0 | 1 |
| valueOf(Integer) | | 100 % | | 100 % | 0 | 2 | 0 | 3 | 0 | 1 |
| Natural() | | 100 % | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| valueOf(int) | | 100 % | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| static {...} | | 100 % | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| toInteger() | | 100 % | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| clone() | | 100 % | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| toString() | | 100 % | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| toInt() | | 100 % | n/a | 0 | 1 | 0 | 1 | 0 | 1 |