| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 22 of 188 | 88% | 6 of 12 | 50% | 6 | 11 | 10 | 56 | 0 | 5 |
| testTailMapWriteThrough() | | 80% | | 50% | 2 | 3 | 4 | 18 | 0 | 1 |
| makeEitherMap() | | 42% | n/a | 0 | 1 | 2 | 3 | 0 | 1 | |
| testTailMapRemoveThrough() | | 95% | | 50% | 2 | 3 | 2 | 17 | 0 | 1 |
| testTailMapClearThrough() | | 94% | | 50% | 2 | 3 | 2 | 16 | 0 | 1 |
| SortedMapInterfaceTest(boolean, boolean, boolean, boolean, boolean) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |