| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 6 of 276 | 97% | 2 of 26 | 92% | 3 | 25 | 1 | 57 | 1 | 12 |
| accept(ExpressionVisitor, Object) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| withChildren(List) | | 93% | | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| customSignature() | | 100% | | 100% | 0 | 4 | 0 | 11 | 0 | 1 |
| getColumnTypes() | | 100% | | 100% | 0 | 6 | 0 | 19 | 0 | 1 |
| computeNumRows() | | 100% | | 87% | 1 | 5 | 0 | 12 | 0 | 1 |
| Stack(Expression, Expression, Expression[]) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| getOutputColumnCount() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| Stack(GeneratorFunctionParams) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| getNumRows() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| checkLegalityBeforeTypeCoercion() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| searchSignature(List) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| computePrecision(FunctionSignature) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |