| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 300 of 659 | 54% | 43 of 84 | 48% | 36 | 66 | 47 | 130 | 8 | 24 | 1 | 3 |
| CircularByteBuffer | | 51% | | 41% | 25 | 42 | 31 | 74 | 4 | 13 | 0 | 1 |
| PeekableInputStream | | 0% | | 0% | 6 | 6 | 12 | 12 | 4 | 4 | 1 | 1 |
| CircularBufferInputStream | | 84% | | 77% | 5 | 18 | 4 | 44 | 0 | 7 | 0 | 1 |