| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 64 of 93 | 31% | 13 of 14 | 7% | 8 | 12 | 12 | 19 | 1 | 5 |
| checkValidParams(Expression) | | 0% | | 0% | 3 | 3 | 7 | 7 | 1 | 1 |
| equals(Object) | | 15% | | 10% | 5 | 6 | 5 | 7 | 0 | 1 |
| computeHashCode() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| WindowFunction(String, Expression[]) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| WindowFunction(String, List) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |