| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 33 of 107 | 69% | 5 of 14 | 64% | 6 | 14 | 5 | 22 | 1 | 7 |
| checkValidParams(Expression) | | 27% | | 50% | 2 | 3 | 3 | 7 | 0 | 1 |
| WindowFunction(String, List) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| equals(Object) | | 93% | | 70% | 3 | 6 | 0 | 7 | 0 | 1 |
| computeHashCode() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| getFunctionParams(List) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| WindowFunction(String, Expression[]) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| WindowFunction(WindowFunctionParams) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |