| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 34 of 48 | 29% | 2 of 2 | 0% | 4 | 5 | 8 | 11 | 3 | 4 |
| op_aref(ThreadContext, IRubyObject) | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| op_aref(ThreadContext, IRubyObject, IRubyObject) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| RubyObjectSpace.WeakMap(Ruby, RubyClass) | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| createWeakMap(Ruby) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 |