| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 37 of 538 | 93% | 11 of 88 | 87% | 9 | 48 | 3 | 81 | 0 | 4 |
| decodeLoop(ByteBuffer, CharBuffer, IntBuffer, boolean) | | 91% | | 85% | 9 | 40 | 3 | 51 | 0 | 1 |
| decodeTrail(ByteBuffer, CharBuffer, IntBuffer, char) | | 100% | | 100% | 0 | 6 | 0 | 23 | 0 | 1 |
| implReset() | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| CharsetUTF16.CharsetDecoderUTF16(CharsetUTF16, CharsetICU) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 |