| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 9 of 18 | 50% | 0 of 0 | n/a | 1 | 2 | 4 | 8 | 1 | 2 |
| ExtensionRegistry.ExtensionInfo(Descriptors.FieldDescriptor) | | 0% | n/a | 1 | 1 | 4 | 4 | 1 | 1 | |
| ExtensionRegistry.ExtensionInfo(Descriptors.FieldDescriptor, Message) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 |