| 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.java | | 88% | | 79% | 15 | 56 | 14 | 130 | 1 | 19 | 0 | 2 |
| ExtraField.java | | 87% | | 69% | 13 | 41 | 11 | 89 | 0 | 20 | 0 | 2 |
| GzipParameters.java | | 94% | | 55% | 27 | 75 | 15 | 114 | 1 | 39 | 0 | 2 |
| GzipCompressorOutputStream.java | | 94% | | 91% | 4 | 28 | 3 | 88 | 1 | 11 | 0 | 1 |
| GzipUtils.java | | 100% | n/a | 0 | 7 | 0 | 21 | 0 | 7 | 0 | 1 |