| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 145 of 145 | 0% | 2 of 2 | 0% | 4 | 4 | 22 | 22 | 3 | 3 |
| shiftBufferedKey() | | 0% | | 0% | 2 | 2 | 17 | 17 | 1 | 1 |
| MapTask.MapOutputBuffer.BlockingBuffer(MapTask.MapOutputBuffer) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| markRecord() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 |