| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 77 of 77 | 0% | 4 of 4 | 0% | 11 | 11 | 14 | 14 | 9 | 9 |
| updatePositions(ByteBuffer, int, CharBuffer, int) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| updatePositions(CharBuffer, int, ByteBuffer, int) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| isSurrogate(char) | | 0% | | 0% | 3 | 3 | 1 | 1 | 1 | 1 |
| highSurrogate(int) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| lowSurrogate(int) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| StrictUtf8() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| newDecoder() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| newEncoder() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| contains(Charset) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |