| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 49 of 104 | 52% | 10 of 12 | 16% | 8 | 15 | 8 | 19 | 3 | 9 |
| equals(Object) | | 0% | | 0% | 6 | 6 | 6 | 6 | 1 | 1 |
| computeHashCode() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| nullable() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| toString() | | 100% | | 100% | 0 | 2 | 0 | 3 | 0 | 1 |
| UnboundVariable(String, UnboundVariable.VariableType) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| accept(ExpressionVisitor, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getName() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getType() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| toDigest() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |