| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 41 of 115 | 64% | 5 of 10 | 50% | 8 | 12 | 9 | 23 | 4 | 7 |
| checkLegalityBeforeTypeCoercion() | | 67% | | 62% | 3 | 5 | 3 | 12 | 0 | 1 |
| withChildren(List) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| accept(ExpressionVisitor, Object) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| ArrayUnion(ScalarFunctionParams) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| getSignatures() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| ArrayUnion(Expression, Expression, Expression[]) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |