| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 27 of 130 | 79% | 4 of 10 | 60% | 5 | 12 | 9 | 31 | 2 | 7 |
| write(char[], int, int) | | 62% | | 25% | 2 | 3 | 4 | 8 | 0 | 1 |
| write(String, int, int) | | 82% | | 75% | 1 | 3 | 2 | 8 | 0 | 1 |
| WritingBuffer(Writer) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| close() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| write(int) | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| WritingBuffer(Writer, int) | | 100% | n/a | 0 | 1 | 0 | 5 | 0 | 1 | |
| flush() | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 |