| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 123 of 226 | 45% | 23 of 36 | 36% | 23 | 27 | 27 | 49 | 7 | 9 |
| skip(long) | | 0% | | 0% | 4 | 4 | 12 | 12 | 1 | 1 |
| read() | | 0% | | 0% | 4 | 4 | 7 | 7 | 1 | 1 |
| read(byte[], int, int) | | 82% | | 60% | 8 | 11 | 3 | 18 | 0 | 1 |
| available() | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| reset() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| isStrictDecoding() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| markSupported() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| BaseNCodecInputStream(InputStream, BaseNCodec, boolean) | | 96% | | 50% | 1 | 2 | 0 | 7 | 0 | 1 |
| mark(int) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |