| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 31 of 40 | 22% | 0 of 0 | n/a | 6 | 7 | 11 | 15 | 6 | 7 |
| get() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| setDecompressConcatenated(boolean) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| setFileNameCharset(Charset) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| setIgnoreExtraField(boolean) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| setOnMemberEnd(IOConsumer) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| setOnMemberStart(IOConsumer) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| GzipCompressorInputStream.Builder() | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 |