| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 4 of 75 | 94% | 3 of 10 | 70% | 3 | 12 | 1 | 14 | 0 | 7 |
| hashCode() | | 91% | | 75% | 1 | 3 | 0 | 2 | 0 | 1 |
| equals(Object) | | 91% | | 66% | 2 | 4 | 1 | 4 | 0 | 1 |
| Pair(Object, Object) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| toString() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| create(Object, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| left() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| right() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |