| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 182 of 257 | 29% | 15 of 20 | 25% | 13 | 19 | 33 | 50 | 3 | 9 |
| getSignatures() | | 18% | | 14% | 7 | 8 | 28 | 34 | 0 | 1 |
| lambda$getSignatures$0(DataType) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| withChildren(List) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| checkLegalityBeforeTypeCoercion() | | 75% | | 50% | 3 | 4 | 2 | 6 | 0 | 1 |
| Array(ScalarFunctionParams) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| Array(Expression[]) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| Array(List) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| accept(ExpressionVisitor, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |