| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 847 of 847 | 0% | 100 of 100 | 0% | 62 | 62 | 186 | 186 | 12 | 12 |
| write(char[], int, int) | | 0% | | 0% | 16 | 16 | 55 | 55 | 1 | 1 |
| write(String, int, int) | | 0% | | 0% | 16 | 16 | 55 | 55 | 1 | 1 |
| write(int) | | 0% | | 0% | 10 | 10 | 28 | 28 | 1 | 1 |
| close() | | 0% | | 0% | 5 | 5 | 16 | 16 | 1 | 1 |
| convertSurrogate(int) | | 0% | | 0% | 3 | 3 | 5 | 5 | 1 | 1 |
| illegalSurrogateDesc(int) | | 0% | | 0% | 4 | 4 | 7 | 7 | 1 | 1 |
| UTF8Writer(IOContext, OutputStream) | | 0% | n/a | 1 | 1 | 7 | 7 | 1 | 1 | |
| flush() | | 0% | | 0% | 3 | 3 | 6 | 6 | 1 | 1 |
| write(char[]) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| write(String) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| illegalSurrogate(int) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| append(char) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 |