| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 319 of 338 | 6% | 28 of 28 | 0% | 18 | 19 | 49 | 55 | 4 | 5 |
| newInstance(ThreadContext, IRubyObject, IRubyObject[]) | | 0% | | 0% | 12 | 12 | 31 | 31 | 1 | 1 |
| JFFIInvoker(Ruby, RubyClass, MemoryIO, Type, Type[], CallingConvention, IRubyObject) | | 0% | | 0% | 4 | 4 | 15 | 15 | 1 | 1 |
| JFFIInvoker(Ruby, long, Type, Type[], CallingConvention) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| createDynamicMethod(RubyModule) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| createInvokerClass(Ruby, RubyModule) | | 100% | n/a | 0 | 1 | 0 | 6 | 0 | 1 |