| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 44 of 44 | 0% | 2 of 2 | 0% | 5 | 5 | 12 | 12 | 4 | 4 |
| setAlpha(double) | | 0% | n/a | 1 | 1 | 4 | 4 | 1 | 1 | |
| validate(TapChangerParent) | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| PhaseTapChangerStepImpl(int, double, double, double, double, double, double) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| getAlpha() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |