| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 1,392 of 2,201 | 36% | 141 of 211 | 33% | 152 | 214 | 259 | 457 | 73 | 101 | 3 | 8 |
| ExtraField | | 0% | | 0% | 30 | 30 | 70 | 70 | 15 | 15 | 1 | 1 |
| GzipCompressorOutputStream | | 0% | | 0% | 28 | 28 | 89 | 89 | 11 | 11 | 1 | 1 |
| GzipParameters | | 20% | | 11% | 44 | 58 | 49 | 80 | 24 | 37 | 0 | 1 |
| ExtraField.SubField | | 0% | | 0% | 11 | 11 | 20 | 20 | 5 | 5 | 1 | 1 |
| GzipCompressorInputStream | | 83% | | 64% | 25 | 51 | 12 | 122 | 5 | 13 | 0 | 1 |
| GzipCompressorInputStream.Builder | | 22% | n/a | 6 | 7 | 11 | 15 | 6 | 7 | 0 | 1 | |
| GzipUtils | | 74% | n/a | 6 | 8 | 6 | 21 | 6 | 8 | 0 | 1 | |
| GzipParameters.OS | | 97% | | 94% | 2 | 21 | 2 | 40 | 1 | 5 | 0 | 1 |