| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 78 of 94 | 17% | 4 of 4 | 0% | 7 | 8 | 15 | 19 | 5 | 6 |
| newClosure(Ruby, Type, Type[], Object, CallingConvention) | | 0% | n/a | 1 | 1 | 4 | 4 | 1 | 1 | |
| getCallbackFactory(Ruby, CallbackInfo) | | 0% | | 0% | 2 | 2 | 4 | 4 | 1 | 1 |
| getCallback(Ruby, CallbackInfo, Object) | | 0% | | 0% | 2 | 2 | 3 | 3 | 1 | 1 |
| CallbackManager() | | 0% | n/a | 1 | 1 | 3 | 3 | 1 | 1 | |
| getInstance() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| createCallbackClass(Ruby, RubyModule) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 |