| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 179 of 2,135 | 91% | 57 of 207 | 72% | 59 | 207 | 43 | 442 | 3 | 96 | 0 | 8 |
| GzipCompressorInputStream | | 87% | | 79% | 15 | 50 | 14 | 118 | 1 | 13 | 0 | 1 |
| ExtraField | | 86% | | 66% | 10 | 30 | 8 | 69 | 0 | 15 | 0 | 1 |
| GzipParameters.OS | | 81% | | 18% | 14 | 19 | 14 | 37 | 1 | 4 | 0 | 1 |
| GzipCompressorOutputStream | | 94% | | 91% | 4 | 28 | 3 | 88 | 1 | 11 | 0 | 1 |
| ExtraField.SubField | | 94% | | 75% | 3 | 11 | 3 | 20 | 0 | 5 | 0 | 1 |
| GzipParameters | | 99% | | 69% | 13 | 56 | 1 | 77 | 0 | 35 | 0 | 1 |
| GzipUtils | | 100% | n/a | 0 | 7 | 0 | 21 | 0 | 7 | 0 | 1 | |
| GzipCompressorInputStream.Builder | | 100% | n/a | 0 | 6 | 0 | 12 | 0 | 6 | 0 | 1 |