| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 7 of 128 | 94% | 2 of 24 | 91% | 2 | 20 | 3 | 36 | 0 | 8 |
| peekingIterator(Iterator) | | 70% | | 50% | 1 | 2 | 2 | 5 | 0 | 1 |
| hasNext() | | 87% | | 83% | 1 | 4 | 1 | 3 | 0 | 1 |
| fill() | | 100% | | 100% | 0 | 4 | 0 | 9 | 0 | 1 |
| next() | | 100% | | 100% | 0 | 3 | 0 | 6 | 0 | 1 |
| element() | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| remove() | | 100% | | 100% | 0 | 2 | 0 | 4 | 0 | 1 |
| peek() | | 100% | | 100% | 0 | 2 | 0 | 2 | 0 | 1 |
| PeekingIterator(Iterator) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 |