| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 31 of 296 | 89% | 9 of 30 | 70% | 9 | 25 | 6 | 53 | 0 | 10 |
| checkLegalityBeforeTypeCoercion() | | 74% | | 64% | 5 | 8 | 4 | 15 | 0 | 1 |
| deriveSignatureFromChildren(FunctionSignature, List) | | 94% | | 75% | 3 | 7 | 1 | 20 | 0 | 1 |
| customSignature() | | 88% | | 50% | 1 | 2 | 1 | 4 | 0 | 1 |
| computeStructType() | | 100% | | 100% | 0 | 2 | 0 | 7 | 0 | 1 |
| withChildren(List) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| CreateNamedStruct(Expression[]) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| accept(ExpressionVisitor, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| CreateNamedStruct(ScalarFunctionParams) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| lambda$customSignature$0(int) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |