| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 19 of 379 | 94% | 3 of 34 | 91% | 4 | 28 | 3 | 88 | 1 | 11 |
| write(int) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| write(byte[], int, int) | | 84% | | 66% | 2 | 4 | 1 | 9 | 0 | 1 |
| writeMemberHeader(GzipParameters) | | 100% | | 100% | 0 | 10 | 0 | 37 | 0 | 1 |
| GzipCompressorOutputStream(OutputStream, GzipParameters) | | 100% | n/a | 0 | 1 | 0 | 7 | 0 | 1 | |
| writeMemberTrailer() | | 100% | n/a | 0 | 1 | 0 | 6 | 0 | 1 | |
| writeC(String, Charset) | | 100% | | 100% | 0 | 2 | 0 | 7 | 0 | 1 |
| deflate() | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| finish() | | 100% | | 75% | 1 | 3 | 0 | 7 | 0 | 1 |
| close() | | 100% | | 100% | 0 | 2 | 0 | 5 | 0 | 1 |
| GzipCompressorOutputStream(OutputStream) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| write(byte[]) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |