| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 20 of 86 | 76% | 3 of 6 | 50% | 3 | 10 | 2 | 15 | 0 | 7 |
| lambda$alt$1(Expr) | | 36% | | 50% | 1 | 2 | 1 | 3 | 0 | 1 |
| lambda$cat$0(Expr) | | 36% | | 50% | 1 | 2 | 1 | 3 | 0 | 1 |
| rep(Object, int, int) | | 70% | | 50% | 1 | 2 | 0 | 1 | 0 | 1 |
| cat(List) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| alt(List) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| Expr.Factory() | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| leaf(Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |