| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 171 of 615 | 72% | 25 of 89 | 71% | 24 | 61 | 23 | 99 | 0 | 13 |
| customSignature() | | 61% | | 67% | 12 | 21 | 15 | 47 | 0 | 1 |
| nextBucketBoundary(Literal) | | 48% | | 38% | 8 | 11 | 8 | 15 | 0 | 1 |
| isRoundingRelationGuaranteed() | | 96% | | 66% | 2 | 4 | 0 | 4 | 0 | 1 |
| withChildren(List) | | 93% | | 50% | 1 | 2 | 0 | 2 | 0 | 1 |
| checkLegalityBeforeTypeCoercion() | | 100% | | 95% | 1 | 13 | 0 | 19 | 0 | 1 |
| withConstantArgs(Expression) | | 100% | | 100% | 0 | 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 | |
| getMonotonicFunctionChildIndex() | | 100% | | 100% | 0 | 2 | 0 | 1 | 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 | |
| isPositive() | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | ||
| getRoundingType() | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |