| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 304 of 327 | 7% | 20 of 20 | 0% | 20 | 21 | 52 | 58 | 10 | 11 |
| newCallbackInfo(ThreadContext, IRubyObject, IRubyObject[]) | | 0% | | 0% | 7 | 7 | 24 | 24 | 1 | 1 |
| to_s(ThreadContext) | | 0% | | 0% | 3 | 3 | 8 | 8 | 1 | 1 |
| toString() | | 0% | | 0% | 3 | 3 | 8 | 8 | 1 | 1 |
| CallbackInfo(Ruby, RubyClass, Type, Type[], boolean) | | 0% | n/a | 1 | 1 | 6 | 6 | 1 | 1 | |
| param_types(ThreadContext) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getArity() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getReturnType() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| getParameterTypes() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| isStdcall() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| result_type(ThreadContext) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| createCallbackInfoClass(Ruby, RubyModule) | | 100% | n/a | 0 | 1 | 0 | 6 | 0 | 1 |