| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 18 of 44 | 59% | 4 of 10 | 60% | 4 | 9 | 5 | 12 | 1 | 4 |
| nullable() | | 40% | | 33% | 3 | 4 | 4 | 8 | 0 | 1 |
| foldable() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| isDeterministic() | | 100% | | 100% | 0 | 2 | 0 | 1 | 0 | 1 |
| createVolatileIdentity(FunctionVolatility) | | 100% | | 100% | 0 | 2 | 0 | 2 | 0 | 1 |