| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 271 of 271 | 0% | 18 of 18 | 0% | 13 | 13 | 62 | 62 | 4 | 4 |
| testComparator(String, int) | | 0% | | 0% | 6 | 6 | 31 | 31 | 1 | 1 |
| testBasicUnixComparator() | | 0% | n/a | 1 | 1 | 16 | 16 | 1 | 1 | |
| testWithoutMRJob(String, int) | | 0% | | 0% | 5 | 5 | 7 | 7 | 1 | 1 |
| TestMRKeyFieldBasedComparator() | | 0% | n/a | 1 | 1 | 8 | 8 | 1 | 1 |