| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 19 of 141 | 86% | 3 of 18 | 83% | 3 | 16 | 3 | 28 | 0 | 7 |
| checkLegalityBeforeTypeCoercion() | | 63% | | 75% | 2 | 5 | 2 | 6 | 0 | 1 |
| rewriteWhenAnalyze() | | 89% | | 83% | 1 | 4 | 1 | 10 | 0 | 1 |
| customSignature() | | 100% | | 100% | 0 | 3 | 0 | 6 | 0 | 1 |
| withChildren(List) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| JsonObject(Expression[]) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| accept(ExpressionVisitor, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| JsonObject(ScalarFunctionParams) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |