| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 31 of 178 | 82% | 7 of 18 | 61% | 7 | 18 | 6 | 32 | 0 | 9 |
| checkLegalityBeforeTypeCoercion() | | 67% | | 57% | 6 | 8 | 5 | 15 | 0 | 1 |
| customSignature() | | 96% | | 75% | 1 | 3 | 1 | 9 | 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 | |
| computePrecision(FunctionSignature) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |