| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 74 of 484 | 84% | 26 of 75 | 65% | 23 | 49 | 9 | 105 | 4 | 11 |
| matches(byte[], int) | | 0% | | 0% | 4 | 4 | 1 | 1 | 1 | 1 |
| read() | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| read(byte[], int, int) | | 93% | | 70% | 6 | 13 | 3 | 41 | 0 | 1 |
| init(boolean) | | 92% | | 75% | 6 | 18 | 1 | 34 | 0 | 1 |
| GzipCompressorInputStream(InputStream, boolean) | | 87% | | 50% | 1 | 2 | 1 | 13 | 0 | 1 |
| getCompressedCount() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getMetaData() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| static {...} | | 75% | | 50% | 1 | 2 | 0 | 1 | 0 | 1 |
| readToNull(DataInput) | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| close() | | 100% | | 75% | 1 | 3 | 0 | 6 | 0 | 1 |
| GzipCompressorInputStream(InputStream) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |