| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 86 of 214 | 60% | 13 of 20 | 35% | 13 | 18 | 12 | 38 | 3 | 8 |
| findVariable(ThreadContext, IRubyObject) | | 0% | | 0% | 2 | 2 | 5 | 5 | 1 | 1 |
| open(ThreadContext, IRubyObject, IRubyObject, IRubyObject) | | 44% | | 33% | 3 | 4 | 4 | 8 | 0 | 1 |
| name(ThreadContext) | | 0% | | 0% | 2 | 2 | 1 | 1 | 1 | 1 |
| getNativeLibraryFlags(IRubyObject) | | 87% | | 50% | 4 | 5 | 0 | 6 | 0 | 1 |
| findFunction(ThreadContext, IRubyObject) | | 87% | | 50% | 1 | 2 | 1 | 5 | 0 | 1 |
| getNativeLibrary() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| createDynamicLibraryClass(Ruby, RubyModule) | | 100% | n/a | 0 | 1 | 0 | 8 | 0 | 1 | |
| DynamicLibrary(Ruby, RubyClass, String, Library) | | 100% | n/a | 0 | 1 | 0 | 4 | 0 | 1 |