| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 153 of 271 | 43% | 22 of 32 | 31% | 25 | 35 | 36 | 71 | 11 | 19 |
| write(char[], int, int) | | 0% | | 0% | 5 | 5 | 7 | 7 | 1 | 1 |
| CharArrayBuilder(int, SizedRecyclingSupplier) | | 41% | | 33% | 3 | 4 | 4 | 10 | 0 | 1 |
| write(int) | | 0% | n/a | 1 | 1 | 5 | 5 | 1 | 1 | |
| toString() | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| hugeCapacity(int) | | 0% | | 0% | 3 | 3 | 3 | 3 | 1 | 1 |
| grow(int) | | 81% | | 66% | 2 | 4 | 2 | 13 | 0 | 1 |
| writeTo(Writer) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| write(char[]) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| toByteArray() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| CharArrayBuilder(int) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| reset() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| resetCountTo(int) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| flush() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| readFrom(Reader) | | 100% | | 100% | 0 | 2 | 0 | 7 | 0 | 1 |
| close() | | 100% | | 50% | 1 | 2 | 0 | 4 | 0 | 1 |
| ensureCapacity(int) | | 100% | | 50% | 1 | 2 | 0 | 3 | 0 | 1 |
| CharArrayBuilder() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| getBuffer() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| size() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |