| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 75 of 132 | 43% | 4 of 8 | 50% | 9 | 13 | 13 | 28 | 5 | 9 |
| append(String) | | 42% | | 50% | 2 | 3 | 4 | 8 | 0 | 1 |
| toString() | | 38% | | 50% | 1 | 2 | 1 | 3 | 0 | 1 |
| markTruncated() | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| SafeStringBuilder(int) | | 75% | | 50% | 1 | 2 | 2 | 9 | 0 | 1 |
| append(Object) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| length() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getMaxCapacity() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| isTruncated() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| SafeStringBuilder() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |