| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 392 of 481 | 18% | 77 of 87 | 11% | 55 | 62 | 97 | 121 | 4 | 10 |
| _parse(String, DeserializationContext) | | 3% | | 3% | 25 | 26 | 46 | 48 | 0 | 1 |
| forType(Class) | | 19% | | 15% | 22 | 24 | 38 | 44 | 0 | 1 |
| deserializeKey(String, DeserializationContext) | | 51% | | 25% | 4 | 5 | 8 | 16 | 0 | 1 |
| _weirdKey(DeserializationContext, String, Exception) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| _parseDouble(String) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getKeyClass() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| _parseLong(String) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| JDKKeyDeserializer(int, Class, JDKFromStringDeserializer) | | 100% | n/a | 0 | 1 | 0 | 5 | 0 | 1 | |
| JDKKeyDeserializer(int, Class) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| _parseInt(String) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |