| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 1,051 of 1,186 | 11% | 140 of 154 | 9% | 124 | 141 | 209 | 253 | 54 | 64 | 2 | 5 |
| CompressorStreamFactory | | 0% | | 0% | 105 | 105 | 180 | 180 | 44 | 44 | 1 | 1 |
| FileNameUtil | | 39% | | 40% | 15 | 23 | 23 | 51 | 6 | 8 | 0 | 1 |
| CompressorInputStream | | 80% | | 100% | 2 | 8 | 2 | 12 | 2 | 7 | 0 | 1 |
| CompressorOutputStream | 0% | n/a | 2 | 2 | 4 | 4 | 2 | 2 | 1 | 1 | ||
| CompressorException | | 100% | n/a | 0 | 3 | 0 | 6 | 0 | 3 | 0 | 1 |