| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 17 of 39 | 56% | 5 of 6 | 17% | 4 | 6 | 3 | 8 | 1 | 3 |
| run(ThreadContext, IRubyObject[]) | | 55% | | 17% | 3 | 4 | 1 | 5 | 0 | 1 |
| wakeup(RubyThread, IRubyObject[]) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| {...} | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |