| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 1,216 of 2,135 | 43% | 132 of 207 | 36% | 140 | 207 | 223 | 442 | 66 | 96 | 1 | 8 |
| GzipCompressorOutputStream | | 0% | | 0% | 28 | 28 | 88 | 88 | 11 | 11 | 1 | 1 |
| GzipParameters | | 21% | | 11% | 42 | 56 | 46 | 77 | 22 | 35 | 0 | 1 |
| ExtraField | | 32% | | 23% | 24 | 30 | 47 | 69 | 12 | 15 | 0 | 1 |
| ExtraField.SubField | | 11% | | 0% | 10 | 11 | 15 | 20 | 4 | 5 | 0 | 1 |
| GzipCompressorInputStream | | 84% | | 64% | 24 | 50 | 11 | 118 | 5 | 13 | 0 | 1 |
| GzipCompressorInputStream.Builder | | 18% | n/a | 5 | 6 | 9 | 12 | 5 | 6 | 0 | 1 | |
| GzipUtils | | 73% | n/a | 6 | 7 | 6 | 21 | 6 | 7 | 0 | 1 | |
| GzipParameters.OS | | 98% | | 100% | 1 | 19 | 1 | 37 | 1 | 4 | 0 | 1 |