| toString() |   | 83% |   | 50% | 1 | 2 | 1 | 4 | 0 | 1 |
| ImmutableTreeSet(ImmutableTreeSet, Immutable) |  | 100% |  | 100% | 0 | 2 | 0 | 3 | 0 | 1 |
| ImmutableTreeSet(NavigableSet, Immutable) |  | 100% |  | 100% | 0 | 2 | 0 | 2 | 0 | 1 |
| subSet(Object, boolean, Object, boolean) |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| subSet(Object, Object) |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| headSet(Object) |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| tailSet(Object) |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| headSet(Object, boolean) |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| tailSet(Object, boolean) |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| ImmutableTreeSet(ImmutableAbstractSet) |  | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| ImmutableTreeSet(Collection) |  | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| descendingSet() |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| descendingIterator() |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| toSet() |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| lower(Object) |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| floor(Object) |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| ceiling(Object) |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| higher(Object) |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| getUnderlyingCollection() |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| comparator() |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| first() |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| last() |  | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |