| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 126 of 126 | 0% | 10 of 10 | 0% | 15 | 15 | 27 | 27 | 10 | 10 |
| read(int, UnionHolder) | | 0% | | 0% | 4 | 4 | 7 | 7 | 1 | 1 |
| next() | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| setPosition(int) | | 0% | n/a | 1 | 1 | 4 | 4 | 1 | 1 | |
| UnionFixedSizeListReader(FixedSizeListVector) | | 0% | n/a | 1 | 1 | 5 | 5 | 1 | 1 | |
| isSet() | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| readObject() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| copyAsValue(BaseWriter.ListWriter) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| reader() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getMinorType() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| size() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |