| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 142 of 142 | 0% | 10 of 10 | 0% | 12 | 12 | 24 | 24 | 7 | 7 |
| init(ExpressionExecutor[], ConfigReader, SiddhiAppContext) | | 0% | | 0% | 4 | 4 | 9 | 9 | 1 | 1 |
| execute(Object[]) | | 0% | | 0% | 3 | 3 | 9 | 9 | 1 | 1 |
| CharAtFunctionExtension() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| getReturnType() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| execute(Object) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| currentState() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| restoreState(Map) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |