| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 78 of 217 | 64% | 4 of 10 | 60% | 9 | 15 | 14 | 43 | 5 | 10 |
| readHeader(InputStream) | | 0% | n/a | 1 | 1 | 6 | 6 | 1 | 1 | |
| toString() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| writeHeader(OutputStream) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| static {...} | | 91% | | 50% | 3 | 4 | 0 | 7 | 0 | 1 |
| SnappyCodec(byte[], int, int) | | 86% | n/a | 0 | 1 | 2 | 15 | 0 | 1 | |
| isValidMagicHeader() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getMagicHeader() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| hasMagicHeaderPrefix(byte[]) | | 91% | | 75% | 1 | 3 | 1 | 7 | 0 | 1 |
| writeHeader(byte[], int) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| headerSize() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |