| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 2 of 23 | 91% | 0 of 0 | n/a | 1 | 12 | 1 | 14 | 1 | 12 |
| append(char) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| NullWriter() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| append(CharSequence) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| append(CharSequence, int, int) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| close() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| flush() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| write(char[]) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| write(char[], int, int) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| write(int) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| write(String) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| write(String, int, int) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |