| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 456 of 968 | 52% | 56 of 105 | 46% | 66 | 98 | 104 | 229 | 32 | 45 | 1 | 4 |
| GzipCompressorOutputStream | | 0% | | 0% | 25 | 25 | 71 | 71 | 11 | 11 | 1 | 1 |
| GzipCompressorInputStream | | 84% | | 66% | 21 | 46 | 10 | 105 | 4 | 10 | 0 | 1 |
| GzipParameters | | 39% | | 33% | 14 | 20 | 17 | 33 | 11 | 17 | 0 | 1 |
| GzipUtils | | 73% | n/a | 6 | 7 | 6 | 20 | 6 | 7 | 0 | 1 |