| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 87 of 189 | 54% | 13 of 20 | 35% | 12 | 17 | 14 | 44 | 2 | 7 |
| wait_ruby(ThreadContext, IRubyObject[]) | | 43% | | 35% | 10 | 11 | 11 | 29 | 0 | 1 |
| signal(ThreadContext) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| marshal_dump(ThreadContext) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| setup(Ruby) | | 100% | n/a | 0 | 1 | 0 | 5 | 0 | 1 | |
| newInstance(ThreadContext, IRubyObject, IRubyObject[], Block) | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| ConditionVariable(Ruby, RubyClass) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 | |
| broadcast(ThreadContext) | | 100% | n/a | 0 | 1 | 0 | 2 | 0 | 1 |