| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 55 of 93 | 40% | 10 of 14 | 28% | 7 | 12 | 10 | 19 | 1 | 5 |
| checkValidParams(Expression) | | 0% | | 0% | 3 | 3 | 7 | 7 | 1 | 1 |
| equals(Object) | | 42% | | 40% | 4 | 6 | 3 | 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 |