| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 61 of 458 | 86% | 28 of 68 | 58% | 23 | 52 | 4 | 67 | 0 | 14 | 0 | 4 |
| Reader.java | | 83% | | 55% | 20 | 40 | 2 | 37 | 0 | 10 | 0 | 2 |
| Writer.java | | 85% | | 75% | 3 | 9 | 2 | 20 | 0 | 1 | 0 | 1 |
| CompressionType.java | | 100% | n/a | 0 | 3 | 0 | 10 | 0 | 3 | 0 | 1 |