| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 37 of 84 | 56% | 8 of 12 | 33% | 7 | 11 | 7 | 21 | 1 | 5 |
| finalize() | | 52% | | 38% | 4 | 5 | 2 | 6 | 0 | 1 |
| addFinalizer(IRubyObject) | | 36% | | 25% | 2 | 3 | 2 | 5 | 0 | 1 |
| removeFinalizers() | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| RubyBasicObject.Finalizer(RubyFixnum) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 | |
| callFinalizer(IRubyObject) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 |