| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 66 of 66 | 0% | 6 of 6 | 0% | 7 | 7 | 18 | 18 | 4 | 4 |
| read(char[], int, int) | | 0% | | 0% | 3 | 3 | 11 | 11 | 1 | 1 |
| observedStaleChars(String) | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| StrBuilderClearTest.SpyReader(String) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| close() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |