| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 175 of 498 | 64% | 22 of 70 | 68% | 22 | 45 | 23 | 79 | 3 | 10 |
| customSignature() | | 61% | | 67% | 12 | 21 | 15 | 47 | 0 | 1 |
| withConstantArgs(Expression) | | 0% | | 0% | 2 | 2 | 2 | 2 | 1 | 1 |
| checkLegalityBeforeTypeCoercion() | | 82% | | 83% | 4 | 13 | 4 | 19 | 0 | 1 |
| getMonotonicFunctionChildIndex() | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| isPositive() | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | ||
| withChildren(List) | | 93% | | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| DateTrunc(Expression, Expression) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| accept(ExpressionVisitor, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| DateTrunc(ScalarFunctionParams) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |