| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 380 of 380 | 0% | 45 of 45 | 0% | 31 | 31 | 76 | 76 | 7 | 7 |
| init(ExpressionExecutor[], ConfigReader, SiddhiAppContext) | | 0% | | 0% | 11 | 11 | 30 | 30 | 1 | 1 |
| execute(Object[]) | | 0% | | 0% | 15 | 15 | 38 | 38 | 1 | 1 |
| SubstrFunctionExtension() | | 0% | n/a | 1 | 1 | 4 | 4 | 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 |