| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 89 of 89 | 0% | 0 of 0 | n/a | 6 | 6 | 16 | 16 | 6 | 6 |
| illegalMapKeyTypeRejected() | | 0% | n/a | 1 | 1 | 4 | 4 | 1 | 1 | |
| stringCtorMapKeyTypeStillWorks() | | 0% | n/a | 1 | 1 | 4 | 4 | 1 | 1 | |
| illegalTypeRejectedByJDKKeyDeserializers() | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| lambda$illegalTypeRejectedByJDKKeyDeserializers$1() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| MapKeyTypeCheckTest() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| lambda$illegalMapKeyTypeRejected$0() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |