| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 91 of 436 | 79% | 16 of 59 | 73% | 18 | 41 | 15 | 99 | 3 | 10 | 0 | 3 |
| Substituter | | 73% | | 73% | 8 | 18 | 11 | 46 | 2 | 5 | 0 | 1 |
| Simplifier | | 82% | | 73% | 10 | 22 | 4 | 53 | 1 | 4 | 0 | 1 |
| Simplifier.new Object() {...} | | 87% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 |