| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 1,059 of 1,180 | 10% | 140 of 154 | 9% | 125 | 139 | 203 | 238 | 55 | 62 | 3 | 5 |
| CompressorStreamFactory | | 0% | | 0% | 105 | 105 | 173 | 173 | 44 | 44 | 1 | 1 |
| FileNameUtil | | 38% | | 40% | 15 | 23 | 23 | 49 | 6 | 8 | 0 | 1 |
| CompressorException | | 0% | n/a | 2 | 2 | 4 | 4 | 2 | 2 | 1 | 1 | |
| CompressorInputStream | | 80% | | 100% | 2 | 8 | 2 | 11 | 2 | 7 | 0 | 1 |
| CompressorOutputStream | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |