| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 9 of 47 | 80% | 0 of 2 | 100% | 2 | 8 | 2 | 14 | 2 | 7 |
| peekNext() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| nextKey() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| KeyIterator(Art, Containers) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| hasNext() | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| next() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| currentContainerIdx() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| remove() | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |