| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 17 of 47 | 63% | 4 of 6 | 33% | 4 | 7 | 5 | 13 | 2 | 4 |
| CharBucket(int, char) | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| isEmpty() | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| CharBucket(int) | | 100% | | 100% | 0 | 2 | 0 | 6 | 0 | 1 |
| fill(Reader) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |