| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 102 of 105 | 2% | 16 of 16 | 0% | 11 | 12 | 25 | 26 | 3 | 4 |
| serializedSize(GroupingState, int, ClusteringComparator) | | 0% | | 0% | 4 | 4 | 9 | 9 | 1 | 1 |
| serialize(GroupingState, DataOutputPlus, int, ClusteringComparator) | | 0% | | 0% | 4 | 4 | 9 | 9 | 1 | 1 |
| deserialize(DataInputPlus, int, ClusteringComparator) | | 0% | | 0% | 3 | 3 | 7 | 7 | 1 | 1 |
| GroupingState.Serializer() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |