| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 1,418 of 1,418 | 0% | 96 of 96 | 0% | 111 | 111 | 361 | 361 | 63 | 63 | 10 | 10 |
| TestDataJoin | | 0% | | 0% | 22 | 22 | 77 | 77 | 8 | 8 | 1 | 1 |
| DataJoinReducerBase | | 0% | | 0% | 24 | 24 | 74 | 74 | 11 | 11 | 1 | 1 |
| DataJoinJob | | 0% | | 0% | 15 | 15 | 80 | 80 | 5 | 5 | 1 | 1 |
| JobBase | | 0% | | 0% | 15 | 15 | 43 | 43 | 11 | 11 | 1 | 1 |
| DataJoinMapperBase | | 0% | | 0% | 9 | 9 | 28 | 28 | 5 | 5 | 1 | 1 |
| SampleDataJoinReducer | | 0% | | 0% | 5 | 5 | 13 | 13 | 2 | 2 | 1 | 1 |
| ArrayListBackedIterator | | 0% | n/a | 8 | 8 | 16 | 16 | 8 | 8 | 1 | 1 | |
| SampleDataJoinMapper | | 0% | n/a | 4 | 4 | 10 | 10 | 4 | 4 | 1 | 1 | |
| SampleTaggedMapOutput | | 0% | n/a | 5 | 5 | 13 | 13 | 5 | 5 | 1 | 1 | |
| TaggedMapOutput | | 0% | n/a | 4 | 4 | 7 | 7 | 4 | 4 | 1 | 1 |