| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 8 of 100 | 92% | 4 of 10 | 60% | 4 | 17 | 1 | 28 | 0 | 12 | 0 | 2 |
| SymbolicExpressionKey | | 79% | | 50% | 4 | 8 | 1 | 9 | 0 | 4 | 0 | 1 |
| SymbolicExpression | | 100% | | 100% | 0 | 9 | 0 | 19 | 0 | 8 | 0 | 1 |