| toString() |   | 90% | | 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 |