| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 63 of 63 | 0% | 2 of 2 | 0% | 12 | 12 | 24 | 24 | 11 | 11 |
| addExtensionTypeWriterFactory(ExtensionTypeWriterFactory) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| setPosition(int) | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| UnionExtensionWriter(ExtensionTypeVector) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| writeExtension(Object) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| write(ExtensionHolder) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| allocate() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| clear() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| getValueCapacity() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getField() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| close() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| writeNull() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 |