| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 2,880 of 2,880 | 0% | 316 of 316 | 0% | 299 | 299 | 785 | 785 | 141 | 141 | 16 | 16 |
| SortBuffer.java | | 0% | | 0% | 69 | 69 | 217 | 217 | 18 | 18 | 1 | 1 |
| MergeSort.java | | 0% | | 0% | 52 | 52 | 174 | 174 | 16 | 16 | 1 | 1 |
| MergeInserter.java | | 0% | | 0% | 18 | 18 | 59 | 59 | 5 | 5 | 1 | 1 |
| NodeAllocator.java | | 0% | | 0% | 21 | 21 | 57 | 57 | 10 | 10 | 1 | 1 |
| ExternalSortFactory.java | | 0% | | 0% | 27 | 27 | 49 | 49 | 17 | 17 | 2 | 2 |
| MergeScan.java | | 0% | | 0% | 19 | 19 | 50 | 50 | 6 | 6 | 1 | 1 |
| Scan.java | | 0% | | 0% | 22 | 22 | 26 | 26 | 21 | 21 | 1 | 1 |
| SortBufferRowSource.java | | 0% | | 0% | 19 | 19 | 34 | 34 | 15 | 15 | 1 | 1 |
| MergeSortInfo.java | | 0% | | 0% | 5 | 5 | 28 | 28 | 2 | 2 | 1 | 1 |
| UniqueWithDuplicateNullsMergeSort.java | | 0% | | 0% | 9 | 9 | 17 | 17 | 2 | 2 | 1 | 1 |
| SortScan.java | | 0% | | 0% | 7 | 7 | 21 | 21 | 5 | 5 | 1 | 1 |
| Node.java | | 0% | | 0% | 8 | 8 | 20 | 20 | 6 | 6 | 1 | 1 |
| SortBufferScan.java | | 0% | | 0% | 8 | 8 | 14 | 14 | 4 | 4 | 1 | 1 |
| MergeScanRowSource.java | | 0% | | 0% | 11 | 11 | 15 | 15 | 10 | 10 | 1 | 1 |
| UniqueWithDuplicateNullsExternalSortFactory.java | | 0% | n/a | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 1 |