| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 46 of 79 | 41% | 5 of 6 | 16% | 9 | 15 | 13 | 25 | 6 | 12 |
| StringBuilderWriter(StringBuilder) | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| append(CharSequence, int, int) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| write(String) | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| append(char) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| append(CharSequence) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| getBuilder() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| write(char[], int, int) | | 100% | | 50% | 1 | 2 | 0 | 3 | 0 | 1 |
| StringBuilderWriter(int) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| StringBuilderWriter() | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| toString() | | 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 |