| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 26 of 207 | 87% | 8 of 18 | 55% | 8 | 28 | 2 | 40 | 2 | 19 |
| lastUpdate() | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| updated() | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| equals(Object) | | 91% | | 50% | 2 | 3 | 0 | 1 | 0 | 1 |
| undo(long) | | 100% | | 100% | 0 | 4 | 0 | 10 | 0 | 1 |
| put(Object, Object) | | 100% | | 50% | 1 | 2 | 0 | 5 | 0 | 1 |
| remove(Object) | | 100% | | 50% | 1 | 2 | 0 | 4 | 0 | 1 |
| UndoMap(Map) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| lambda$clear$0(Object, Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| clear() | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| hashCode() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| containsKey(Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| containsValue(Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| get(Object) | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| putAll(Map) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| keySet() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| values() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| entrySet() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| size() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| isEmpty() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |